# Bridges Math-Grade 3

### Unit 1 – Addition & Subtraction Patterns

__Deep Sea Duel__ – Collect cards that add up to a specified sum. Choose how many cards, types of numbers, and level of strategy.

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

__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.

__Adding 10 Depthcharger__ – Add 10 to a number to reach the target sum. First, add ten on the visual display of base ten pieces by pressing the “add 10” button. Then type in the correct sum and push “fire.” Visual also displays a vertical number line.

__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.

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

### Unit 2 – Introduction to Multiplication

__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.

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

__Meteor Multiplication__ – As meteors with multiplication problems approach a star station showing a given product, fire them down by clicking on the expression that goes with the product.

__Multiplication Grand Prix__ – Race against the computer or other students by clicking on the correct product in a series of multiplication problems. Also try a similar game, __Tractor Multiplication__.

__Bugs in the System__ – Click and drag bugs, putting them into the correct color position on a bar graph to count totals.

__Cyber Olympics__ – Analyze data and click on contestants with the fastest practice times to compete in each event. Cyberchase game.

### Unit 3 – Multi-Digit Addition & Subtraction

__Glowla’s Estimation Contraption__ – Mentally round and add numbers and type in the answer. Round numbers to the tens place in the first level and progress to larger numbers.

__Home Run Derby Math__ – Estimate your answer, click “done” and then “hit.” Game may be played with addition, subtraction, or multiplication problems and emphasizes skills in rounding numbers. View an __instructional video__ here.

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

__Count on Convict__ – Players must type in each jump on the “number line” (a convict’s escape tunnel) and then add them all together to find the difference between two double-digit numbers.

__Addition of Three-Digit Numbers__ – Type in numbers between 1 and 999 to add. Numbers are automatically entered into an equation; base ten pieces are created to match. If ten or more pieces are in any column, you must push the “regroup” button to continue solving the problem.

### Unit 4 – Measurement & Fractions

__Fairy Clock__ – Displays an analog clock face in which the time can adjust in increments of 1, 5, 15, 30, or 60 minutes. A digital clock may also be added. Also see __Class Clock__.

__Hickory Dickory Clock__ – Feed the mouse and avoid the cat by correctly reading the analog clock. Includes half past, quarter to, and quarter past.

__Mostly Postie__ – Click and drag package onto scales and enter weight in grams or kilograms.

__Liquid Measure__ – Click and drag pipe connectors and water containers so that the amount of liquid specified in a jug will drain into a container with the correct capacity.

__Bamzooki Fractions Basic__ – Click on the number button to divide the floor arena into the number of segments that match the denominator. Then click on floor segments to color in divisions to represent the numerator.

__Battleship Numberline: Fractions__ – Click on a 0-1 number line to identify where a given fraction is located.

__Fraction Number Line__ – Click and drag fractions from 0-2 and place on a number line. This activity also shows the equivalents in decimals and percents.

__Mathman Fractions__ – View a dot on a number line, determine the fraction, then eat the ghost with that fraction to earn points.

__Measure It!__ – View a segment next to a ruler and correctly identify its length. Levels include: easy inches (to the nearest half inch), medium inches (to the nearest fourth of an inch), hard inches (to the nearest eighth), and super brain inches (to the nearest sixteenth.)

__Slide to the Top__ – Arrange numbers from least to greatest on a number line. Work quickly and accurately to better your score. Choose from fractions, fractions & decimals, and fractions/decimals/percents.

__Measurement Workshop__ – Using the “build” option, select a mode (whole numbers, whole and half numbers, decimals, or fractions), then click on the preferred type of measurement (imperial or metric) and use rulers to build a ruler city. In “play” mode, the buildings are created by the computer and players must measure them. Watch an __instructional video here__.

__The Ruler Game__ – Click on a ruler to identify the location of a given number. Choose from the following levels: wholes, halves, quarters, eighths, sixteenths.

### Unit 5 – Multiplication, Division & Area

__Drag Race Division__ – Race against the computer or other students by clicking on the correct quotient in a series of division problems. Also try a similar game, __Demolition Division__.

__Arithmetic Four__ – Two player game in which students place pieces on the board by answering math problems. Choose from addition, subtraction, multiplication, division. Like Connect 4. Uses Java.

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

__Meteor Multiplication__ – As meteors with multiplication problems approach a star station showing a given product, fire them down by clicking on the expression that goes with the product.

__Multiplication Grand Prix__ – Race against the computer or other students by clicking on the correct product in a series of multiplication problems. Also try a similar game, __Tractor Multiplication__.

__Quotient Cafe__ – Select a food and characters to practice division with remainders. Use dividends from 1-500 and divisors from 1-50. As the food is doled out, students explore partial quotients (“chunking”) in a long division problem, recording each step of the problem as they go. Press the calculator icon at lower left for help with calculations. NCTM.

__Area Shapes Shoot__ – Click on the figures that have a given area.

__Measure It!__ – View a segment next to a ruler and correctly identify its length. Levels include: easy inches (to the nearest half inch), medium inches (to the nearest fourth of an inch), hard inches (to the nearest eighth), and super brain inches (to the nearest sixteenth.)

__Measurement Mania: U.S. Customary__ – Show conversions between inches, feet, and yards on a sliding number line. Involves mental computation that might be challenging for some students.

__Measurement Workshop__ – Using the “build” option, select a mode (whole numbers, whole and half numbers, decimals, or fractions), then click on the preferred type of measurement (imperial or metric) and use rulers to build a ruler city. In “play” mode, the buildings are created by the computer and players must measure them. Watch an __instructional video here__.

__Zoo Designer__ – Click and drag a shape tool to create enclosures that are the correct area and/or perimeter for animals at the zoo.

### Unit 6 – Geometry

__Concentration__ – Click on the desired mode to play a game in which you match each shape, array, percent, or fraction visual with its name. The game will play an audio recording of the name.

__Geometric Shapes with Tangrams__ – Using this video tutorial, learn how to create paper tangram pieces. After creating pieces, viewers are asked to create puzzles on their desks and then create the same puzzle with virtual tangram pieces on the screen.

__Polygon Playground__ – Drag shapes to explore polygons and create pictures, tessellations, symmetrical objects, and patterns.

__Tangram Puzzles__ – Click and drag pieces to complete a variety of online tangram puzzles from NCTM.

__Airlines Builder__ – In this Cyberchase game, players must construct 3 different ships with the same perimeter by clicking and dragging edge pieces. After the ship is built, the “seats” are filled to show area. After finding all shapes with a perimeter of 8, find shapes with perimeter of 10.

__Quadrilateral Shapes Shoot__ – Click on a specified type of quadrilateral in this arcade game.

__Shape Explorer__ – Calculate area and perimeter for a given shape and type in the correct answer.

__Zoo Designer__ – Click and drag a shape tool to create enclosures that are the correct area and/or perimeter for animals at the zoo.

__Bamzooki Fractions Basic__ – Click on the number button to divide the floor arena into the number of segments that match the denominator. Then click on floor segments to color in divisions to represent the numerator.

__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 7 – Extending Multiplication & Fractions

__Meteor Multiplication__ – As meteors with multiplication problems approach a star station showing a given product, fire them down by clicking on the expression that goes with the product.

__Multiplication Grand Prix__ – Race against the computer or other students by clicking on the correct product in a series of multiplication problems. Also try a similar game, __Tractor Multiplication__.

__Bamzooki Multiplication & Division__ – Click on the correct number to answer a variety of problems including: single digit multiplication, 2 digit x 1 digit multiplication, and 3 digit/1 digit division with remainders.

__Concentration__ – Click on the desired mode to play a game in which you match each shape, array, percent, or fraction visual with its name. The game will play an audio recording of the name.

__Mathman Fractions__ – View a dot on a number line, determine the fraction, then eat the ghost with that fraction to earn points.

__Measurement Workshop__ – Using the “build” option, select a mode (whole numbers, whole and half numbers, decimals, or fractions), then click on the preferred type of measurement (imperial or metric) and use rulers to build a ruler city. In “play” mode, the buildings are created by the computer and players must measure them. Watch an __instructional video here__.

__Melvin’s Make a Match__ – Click on bottles to match equivalent fractions in this Cyberchase game.

__Ordering Fractions Game__ – Click and drag fractions to put in vertical order. The first level uses unit fractions; subsequent levels contain fractions with unlike denominators.

__Battleship Numberline: Fractions__ – Click on a 0-1 number line to identify where a given fraction is located.

__Fraction Tracks__ – In this 2 player game, students must add, compare, and find equivalent fractions in order to race from 0-1, moving across a series of fraction tracks.

__Mathman Fractions__ – View a dot on a number line, determine the fraction, then eat the ghost with that fraction to earn points.

__Slide to the Top__ – Arrange numbers from least to greatest on a number line. Work quickly and accurately to better your score. Choose from fractions, fractions & decimals, and fractions/decimals/percents.

### Unit 8 – Bridge Design and Construction: Data Collection & Analysis

__The Bridge Challenge__ – Select the correct bridge for the setting in this short simulation.