# 1st Grade Math

### Bridges in Mathematics Grade 1

### Unit 1 – Numbers All Around Us

__Fairies in the Fog 5__ – Find the missing number in a 5s counting pattern.

__Gingerbread Men__ – Count and order with gingerbread men. Select “view fullscreen” for use during whole group instruction.

__Saucer Sorter__ – Count numbers in any sequence (count by 2s, 5s, and more) up to 200. The teacher tool allows you to cover numbers or move numbers around in a given sequence.

__Tally Marks Up to 10__ – View a set of tally marks and type in the number represented, from 1-10. __Tally Marks Up to 20__ provides an additional challenge for students.

__Whack a Mole__ – Select the number in a counting sequence. Game can be set for any start number and any counting-by sequence.

__Bonds of Ten__ – Build combinations to ten with pipe sections to set a whale free.

__Butterfly Ten Frame__ – View butterflies in a ten frame and identify how many flew away and how many are left.

__Catch Ten__ – Catch the base ten blocks that add up to ten.

__Math Lines__ – Race to pair numbers that add up to 10. Or select this version of __Math Lines__ and choose your own target number.

__Ten Frame__ – Compose and decompose numbers to 10 on a ten frame

__Fairies in the Fog 10__ – Find the missing number in a 10s counting pattern.

__Butterfly Wings__ – Find two numbers whose sum equals a given number and investigate multiple ways to construct each number.

__Partitioning Numbers__ – View a visual model of tens and units and click on the number represented.

### Unit 2 – Developing Strategies with Dice & Dominoes

__Addition with Manipulatives__ – See and hear an addition problem, then click on the answer. Drag marbles onto a work surface to help with counting, as needed. Five levels of addition included, starting with simple 1 digit problems. Players must score 70% or greater to advance levels.

__Balloon Pop Comparison__ – Pop the balloon to match a statement, either “greater number” or “lesser number.” Also see __alternate version__ with 3 balloons.

__Butterfly Wings__ – Find two numbers whose sum equals a given number and investigate multiple ways to construct each number.

__Domino Conveyor Belt__ – Click on a domino to add spots until it equals a given total. The activity suggests putting an equal number of spots on each end of the domino to explore odd and even numbers. TESiboard activity.

__Domino Sort Doubles__ – View dominoes with doubles and click and drag into the box with the correct sum. TESiboard activity.

__Dominoes__ – View a domino and determine how many dots must be hidden under a question mark to equal a given total. Click on the question mark to check.

__Missing Number__ – Select a target number (the total) and challenge students to place the missing addend in a number sentence. Timed for one minute. Includes suggestions for playing as a class game.

__Okta’s Rescue__ – Click on the number of Oktas that add up to a specified sum. Choose the target range (1-6, 1-12, 1-18) and time limit. After time is up, add the total number of Oktas rescued and slide an arrow on a number line to show the total.

__Raceway Number Values__ – Compare numbers with less than, greater to, and equals signs. Two levels of play.

__Bee Swarms__ – Add bees on two flowers. Choose totals of up to 5 or 10. Below the flowers is a number sentence; each number is covered with a sticky note that can be removed. Move bees from flower to flower and ask, “Does the total still remain the same?”

__Bonds of Ten__ – Build combinations to ten with pipe sections to set a whale free.

__Bubble Game__ – Click on bubbles to select addends to solve addition problems.

__Flower Jar__ – Teacher selects a target number and asks students to add flowers to the vase to reach the total number of petals.

__Penguin Pins__ – Knock down penguins and determine how many have disappeared and how many remain. Select either 10 or 21 penguins to begin.

__Simple Addition Stories__ – Drag and drop objects to do simple story problem addition with combinations up to 5 or 10. TESiboard.

__Speedy Pictures__ – Add numbers modeled by one of the following: 10 or 20 bead Rekenrek, dice, fingers, egg cartons, money discs. Adjust the viewing time as needed. Since the pictures are only shown for a short time, students must use addition strategies to add the beads. Uses Java.

__Ann & Addems Dartboard Game__ – Select the number on the dartboard that must be doubled to equal the target number.

__Bridge Doubles__ – Double numbers 1-10 to complete a series of bridge spans.

__Connect the Dots: Multiples__ – In these connect the dot pictures, players set the counting sequence. Set the pictures to practice counting by 1s, 5s, 10s, or set your own number to practice multiples.

__Fairies in the Fog 5__ – Find the missing number in a 5s counting pattern.

__Saucer Sorter__ – Count numbers in any sequence (count by 2s, 5s, and more) up to 200. The teacher tool allows you to cover numbers or move numbers around in a given sequence.

### Unit 3 – Adding, Subtracting, Counting & Comparing

__Bonds of Ten__ – Build combinations to ten with pipe sections to set a whale free.

__Bridge Doubles__ – Double numbers 1-10 to complete a series of bridge spans.

__Butterfly Ten Frame__ – View butterflies in a ten frame and identify how many flew away and how many are left.

__Catch Ten__ – Catch the base ten blocks that add up to ten.

__Dinosaur Dentist__ – Use knowledge of *doubles plus or minus one* to remove the dinosaur’s bad tooth.

__Doorway Odd and Even__ – Variety of odd and even math games include: pairing shoes, sorting ladybug spots, painting houses by number, selecting odd or even numbered eggs.

__How Many Now__ – Explore counting-on strategies by hiding crayons in a box and adding visible crayons. Can you determine the total without counting one-by-one?

__Jet Ski Addition__ – Move jet ski along by solving addition problems. Choose the correct answer from 4 given choices. Play against other online players or the computer.

__Math Lines__ – Race to pair numbers that add up to 10. Or select this version of __Math Lines__ and choose your own target number.

__Mathmagician Addition__ – Timed practice with basic addition facts.

__Missing Number__ – Select a target number (the total) and challenge students to place the missing addend in a number sentence. Timed for one minute. Includes suggestions for playing as a class game.

__Number Bond Machine__ – Fill in the missing addend to make the sum of 5, 10. or 100. This works well as an “I Have, You Need” game.

__Speedy Pictures__ – Add numbers modeled by one of the following: 10 or 20 bead Rekenrek, dice, fingers, egg cartons, money discs. Adjust the viewing time as needed. Since the pictures are only shown for a short time, students must use addition strategies to add the beads. Uses Java.

__Ten Frame__ – Compose and decompose numbers to 10 on a ten frame.

__Alien Addition__ – Click on the addition expression that equals a given number in this timed game. See __Minus Mission__ for a similar subtraction game.

__Building Expressions__ – Click on a number to complete the addition or subtraction expression before time runs out. The program allows you to select from a variety of formats, with unknowns in various positions.

__Butterfly Wings__ – Find two numbers whose sum equals a given number and investigate multiple ways to construct each number.

__Grouping & Grazing__ – Count, add, & subtract to move cows into corrals. Corral in groups of 5 or 10.

__Penguin Count__ – Several penguin counting activities. In “Penguin Pairs” the teacher can place penguins into 1-3 ten frames for counting up to 30. In “Lots of Penguins,” many penguins are shown (without ten frame) and students must rearrange to count.

__Visual Numbers__ – Form visual models of numbers from 1-20 and place on a number line. The visual model can be hidden.

__Balloon Pop Comparison__ – Pop the balloon to match a statement, either “greater number” or “lesser number.” Also see __alternate version__ with 3 balloons.

__Number Balance__ – Click and drag number tile into expressions on a number balance and determine whether the expressions are equivalent. Intended for teacher-led, group investigations.

__Raceway Number Values Junior__ – Compare dots and insert the correct symbol: <, >, =. After each level, players compete in a very short bonus (driving) activity.

### Unit 4 – Leapfrogs on the Number Line

__ICT Numberline Games__ – Site features a variety of number line games.

__Number Jump__ – Add and subtract on a number line to move a ball and smash flies.

__Number Line Puzzle: Missing Numbers__ – Place numbers onto a blank numberline to complete a puzzle. (Requires a small annual subscription fee as a TESiboard+ activity.)

__Numeral Track__ – View ten cards on a number line with hidden numbers and flip a card to reveal a number.

__Okta’s Rescue__ – Click on the number of Oktas that add up to a specified sum. Choose the target range (1-6, 1-12, 1-18) and time limit. After time is up, add the total number of Oktas rescued and slide an arrow on a number line to show the total.

__Up or Down the Number Line?__ – View a bee on a number line and push a right or left arrow so bee flies in the correct direction toward a target number.

__Washing Line__ – Place cards in numerical order on a clothesline.

__Missing Number__ – Select a target number (the total) and challenge students to place the missing addend in a number sentence. Timed for one minute. Includes suggestions for playing as a class game.

__Octopus__ – Click on the shell that shows 10 more than the given number.

__Connect the Dots: Multiples__ – In these connect the dot pictures, players set the counting sequence. Set the pictures to practice counting by 1s, 5s, 10s, or set your own number to practice multiples.

__Techno Tortoise__ – Using the Demonstrator Tool, model -10, -1, +1, +5, or +10 on a number line.

__Penguin Count__ – Several penguin counting activities. In “Penguin Pairs” the teacher can place penguins into 1-3 ten frames for counting up to 30. In “Lots of Penguins,” many penguins are shown (without ten frame) and students must rearrange to count.

__Penguin Pins__ – Knock down penguins and determine how many have disappeared and how many remain. Select either 10 or 21 penguins to begin.

__Place the Penguin__ – Place penguins on unit & ten charts to represent expanded form of a given number. Level 1 = units & tens. Level 2 = units, tens, hundreds.

### Unit 5 – Geometry

__2-D Shape Pictures__ – Listen to directions and color a picture comprised of 2-D shapes. Player is asked to click on certain shapes or on figures with given attributes. Audio directions.

__Geometry Shapes__ – Complete puzzles by recognizing similarities and differences in shapes. Audio directions for non-readers.

__Patch Tool__ – Drag and drop virtual pattern blocks: arrange blocks to create designs, build sequences, or fill in a puzzle (similar to a tangram puzzle).

__Pattern Blocks__ – Use virtual pattern blocks to create designs and patterns and explore area. Click on Instructions for general information, such as how to rotate a block. Or scroll through the activities on the right.

__Shape Curtain__ – A shape is hidden behind the curtain. As the curtain is drawn, try to be the first to guess the shape. Use in a whole group activity. 6 shapes: triangle, rectangle, square, circle, pentagon, hexagon.

__Shape Lab__ – Help a cartoon scientist finish his project by handing him the shapes with the right characteristics. Students will need to be able to read the clues or have a helper read them aloud.

__Shape Labels__ – Label a variety of shape cards with names and other attributes. Sort. Use as a whole group activity unless students are proficient with reading and typing.

__Shape Picture Maker__ – Use common shapes to design pictures. Follow model or design your own. Change shape sizes and colors as pictures are created.

__Shape Sorting Game__ – Sort shapes using different criteria. Best done as a whole group activity unless students can read attribute words.

__Shifting Shapes__ – Identify a simple 2D shape hidden on the screen using a small window to look at parts of the shape. Try __Shifting Shapes Year 1__ for additional shapes: hexagon, octagon. Also see __Guess the Hidden Shape__ (TESiboard.)

__3-D Shifting Shapes__ – A 3-D shape is hidden. Use a tiny window to peer at parts of the shape. Can you guess the shape? Includes this vocabulary: cube, cuboid, prism, triangle or square based pyramid, cone, sphere, cylinder. Substitute terms used in Bridges while looking at the shapes.

__Cube Nets__ – View 24 nets and click on the 11 that can be folded to make a cube net.

__Shapes__ – Students read a shape name and select the picture with that shape. (For prereaders, this might be a teacher-led, whole group activity.)

__Fraction Flags__ – Click on an array to paint a flag with specific combinations of halves and quarters.

__Kite Shading__ – Color kites to show given fractions. Demonstrate that fractions such as one-half can be shown in multiple ways.

__Pizza Bears__ – Bears share pizzas. Select from 1-5 bears and 1-6 pizzas. Teaching tool for whole group instruction. Answers are not given; it’s meant to be used as a manipulative for exploration. Use a knife to cut pizzas into desired number of pieces.

__Shading Blocks__ – Color blocks to represent a given fraction. Five levels from which to select. At the lowest level players shade in 1/2 of 4,6,8, or 10; at the highest level, shade in 1/3 or 2/3 of 6, 9, or 12. TESiboard activity.

__Thirteen Ways of Looking at a Half__ – Find 13 different ways to show one-half by highlighting 4 out of 8 congruent triangles that are arranged in a square.

### Unit 6 – Figure the Facts with Penguins

__Ann & Addems Dartboard Game__ – Select the number on the dartboard that must be doubled to equal the target number.

__Bridge Doubles__ – Double numbers 1-10 to complete a series of bridge spans.

__Calculating Stories: Counting On__ – Create picture problems and relate number stories to addition. (Requires a small annual subscription fee as a TESiboard+ activity.) Choose from a variety of settings and characters. Move objects to confirm the answer. Great warm up or review for picture problems.

__Dinosaur Dentist__– Use knowledge of *doubles plus or minus one* to remove the dinosaur’s bad tooth.

__Domino Sort Doubles__ – View dominoes with doubles and click and drag into the box with the correct sum. TESiboard activity.

__Estimate & Count Marbles__ – Students get a quick glimpse of marbles in a bowl. The marbles disappear, students estimate, and the marbles reappear so they can be moved and counted. For whole group instruction. Use with IWB or computer/projector.

__Math Lines__ – Shoot the balls to make combinations of 10 (or of any number from 4 to 15).

__Number Bond Machine__ – Fill in the missing addend to make the sum of 5, 10. or 100. This works well as an “I Have, You Need” game.

__Number Twins__ – Find pairs that make 10 (or select any number between 4 and 15).

__Penguin Count__ – Several penguin counting activities. In “Penguin Pairs” the teacher can place penguins into 1-3 ten frames for counting up to 30. In “Lots of Penguins,” many penguins are shown (without ten frame) and students must rearrange to count.

__Penguin Pins__ – Knock down penguins and determine how many have disappeared and how many remain. Select either 10 or 21 penguins to begin.

__Place the Penguin__ – Place penguins on unit & ten charts to represent expanded form of a given number. Level 1 = units & tens. Level 2 = units, tens, hundreds.

__Robin Hood Archery Doubles__ – See a number, then click the double on the archery board. Up to 10+10. __Try Robin Hood Doubles Beyond 10__ for doubles greater than 10+10.

__Ten Frame__ – Compose and decompose numbers to 10 on a ten frame.

__Ace of Numbers__ – Click and drag a playing card to fill in the missing addend or subtrahend in this beat-the-clock game

__Dominoes__ – View a domino and determine how many dots must be hidden under a question mark to equal a given total. Click on the question mark to check.

__Math Madness__ – Fill in the addend, subtrahend or factor to score points in this basketball arcade game.

__Number Bond Machine__ – Fill in the missing addend to make the sum of 5, 10. or 100. This works well as an “I Have, You Need” game.

__Number Twins__ – Find pairs that make 10 (or select any number between 4 and 15).

__Compare Numbers__ – Compare numbers and place the correct sign between them. Three levels: numbers to 100, 1,000, 10,000.

__Compare Numbers: Between__ – Identify numbers which fit the given criteria. Suggested for use as a class game with teams. Also see __Compare Numbers: Larger Than__ and __Compare Numbers: Smaller Than__.

__Saucer Sorter__ – Count numbers in any sequence (count by 2s, 5s, and more) up to 200. The teacher tool allows you to cover numbers or move numbers around in a given sequence.

### Unit 7 – One Hundred & Beyond

__100 Hunt +10__ – While looking at a 100 grid, click on the number that is 10 more than the target number.

__Adding 2-Digit Numbers__ – Break two-digit numbers into tens and ones and then add them.

__Base Ten__ – Represent a given number using base ten blocks. The program keeps track of the number of blocks as they are added and shows the progression on a numberline. Drum beat included; may wish to mute sound.

__Dinosaur Place Value__ – Select the numbers (tens and units) that make up a given 2-digit number.

__Estimate & Count Marbles__ – Students get a quick glimpse of marbles in a bowl. The marbles disappear, students estimate, and the marbles reappear so they can be moved and counted. For whole group instruction. Use with IWB or computer/projector.

__Flip Counter__ – Model which digits change as you count forward or backward by 1s, 10s, 100s, or 1000s.

__Grouping & Grazing__ – Count, add, & subtract to move cows into corrals. Corral in groups of 5 or 10.

__Octopus__ – Click on the shell that shows 10 more than the given number.

__Partitioning Numbers__ – View a visual model of tens and units and click on the number represented.

__Place the Penguin__ – Place penguins on unit & ten charts to represent expanded form of a given number. Level 1 = units & tens. Level 2 = units, tens, hundreds.

__Shark Numbers__ – Given three numbers, look at the base ten pieces and click on the bubble that shows that number. Shark bites the boat if incorrect.

__Shark Pool Place Value__ – Look at the base ten pieces and click on the bubble that shows that number. In this game there are many numbers to choose from.

__Catapult Count On__ – Add a single digit to a double digit to jump to the next multiple of ten on a number line and destroy a castle. Pull down on the catapult to adjust the number added on the number line. Check “hide jumps” to use mental math. See __help video__ for demo.

__Connect the Dots: Multiples__ – In these connect the dot pictures, players set the counting sequence. Set the pictures to practice counting by 1s, 5s, 10s, or set your own number to practice multiples.

__ICT Numberline Games__ – Site features a variety of number line games.

__Number Jump__ – Add and subtract on a number line to move a ball and smash flies.

__Okta’s Rescue__ – Click on the number of Oktas that add up to a specified sum. Choose the target range (1-6, 1-12, 1-18) and time limit. After time is up, add the total number of Oktas rescued and slide an arrow on a number line to show the total.

__Saucer Sorter__ – Count numbers in any sequence (count by 2s, 5s, and more) up to 200. The teacher tool allows you to cover numbers or move numbers around in a given sequence.

__Techno Tortoise__ – Add 2 numbers by moving a turtle along a number line using -1, +1, +5, or +10. Most problems are multi-digit. Site includes a demonstrator tool that could be used by teachers for whole group instruction. In the game mode, 5 correct answers results in a quick non-math, video-like activity.

__Adding 10 Depth Charger__ – Add 10 to the sonar scanner to destroy robot submarines.

__Addition with Manipulatives__ – See and hear an addition problem, then click on the answer. Drag marbles onto a work surface to help with counting, as needed. Five levels of addition included, starting with simple 1 digit problems. Players must score 70% or greater to advance levels.

__Building Expressions__ – Click on a number to complete the addition or subtraction expression before time runs out. The program allows you to select from a variety of formats, with unknowns in various positions.

__Butterfly Wings__ – Find two numbers whose sum equals a given number and investigate multiple ways to construct each number.

__Math Madness__ – Fill in the addend, subtrahend or factor to score points in this basketball arcade game

__Mathmagician Addition__ – Timed practice with basic addition facts.

__Missing Number__ – Select a target number (the total) and challenge students to place the missing addend in a number sentence. Timed for one minute. Includes suggestions for playing as a class game.

__Penguin Count__ – Several penguin counting activities. In “Penguin Pairs” the teacher can place penguins into 1-3 ten frames for counting up to 30. In “Lots of Penguins,” many penguins are shown (without ten frame) and students must rearrange to count.

__Speedy Pictures__ – Add numbers modeled by one of the following: 10 or 20 bead Rekenrek, dice, fingers, egg cartons, money discs. Adjust the viewing time as needed. Since the pictures are only shown for a short time, students must use addition strategies to add the beads. Uses Java.

__Sum Sense Addition__ – Drag and drop number cards–with unknowns in all positions–to make an addition equation.

__Compare Money Amounts__ – Look at two sets of coins and determine which has the greater value. Shows the problems attempted and time elapsed.

__Count Pennies, Nickels, and Dimes__ – Add the value of a coin collection and type in answer. Audio option. Shows the problems attempted and time elapsed.

__Count Pennies, Nickels, Dimes, and Quarters__ – Count mixed collections of coins in this quiz format. Audio option. Shows the problems attempted and time elapsed.

__Equivalent Coins__ – Look at a set of coins and choose the group of coins that shows the same amount. Shows the problems attempted and time elapsed.

__How Much is the Coin Worth?__ – View a coin and identify its value. Audio option. Shows the problems attempted and time elapsed.

__Place Value Tool__ – . Explore place value by clicking the up or down arrows to set the number you wish to display in 100s, 10s, and 1s; then click on the center of each number to display the number cards. On the cards, push the down arrow to display the value using dot arrays. Move the cards around to see the number in expanded form.

### Unit 8 – Changes, Changes

__Connect the Dots: Multiples__ – In these connect the dot pictures, players set the counting sequence. Set the pictures to practice counting by 1s, 5s, 10s, or set your own number to practice multiples.

__Fairies in the Fog 5__ – Find the missing number in a 5s counting pattern.

__Fill the Digits on the Clock__ – Place the numbers in the correct place on the clock face.

__Hickory Dickory__ – Set correct time before mouse runs down clock. Choose from hour or half hour intervals.

__Missing Number__ – Select a target number (the total) and challenge students to place the missing addend in a number sentence. Timed for one minute. Includes suggestions for playing as a class game.

__Snapdragon Tell the Time__ – Use arrows to move clock hands in one hour increments to match the given time in words. “Set clock to six o’clock.” Teacher could read time and have students determine time on clock and how far to move clock hands.

__Stop the Clock 1__ – Telling time to half-hour intervals. Drag 5 digital times to correct analog clock. Provides additional practice in telling time to the half hour.

__Stop the Clock 2__ – Telling time to 15 minute intervals. Drag 5 digital times to correct analog clock.

__100 Hunt +10__ – While looking at a 100 grid, click on the number that is 10 more than the target number.

__Adding 10 Depth Charger__ – Add 10 to the sonar scanner to destroy robot submarines.

__Building Expressions__ – Click on a number to complete the addition or subtraction expression before time runs out. The program allows you to select from a variety of formats, with unknowns in various positions.

__Mathmagician Addition__ – Timed practice with basic addition facts.

__Missing Number__ – Select a target number (the total) and challenge students to place the missing addend in a number sentence. Timed for one minute. Includes suggestions for playing as a class game.

__Octopus__ – Click on the shell that shows 10 more than the given number.

__Compare Numbers__ – Compare numbers and place the correct sign between them. Three levels: numbers to 100, 1,000, 10,000.

__Fairies in the Fog 10__ – Find the missing number in a 10s counting pattern.

__Grouping & Grazing__ – Count, add, & subtract to move cows into corrals. Corral in groups of 5 or 10.

__Partitioning Numbers__ – View a visual model of tens and units and click on the number represented.

__Plasticine Snakes__ – Estimate which snake is the longest. Measure (non-standard) the snake. Teacher-led whole group activity.

__Raceway Number Values__ – Compare numbers with less than, greater to, and equals signs. Two levels of play.

__Techno Tortoise__ – Add 2 numbers by moving a turtle along a number line using -1, +1, +5, or +10. Most problems are multi-digit. Site includes a demonstrator tool that could be used by teachers for whole group instruction. In the game mode, 5 correct answers results in a quick non-math, video-like activity.

__Visual Numbers__ – Form visual models of numbers from 1-20 and place on a number line. The visual model can be hidden.