# Web Links for Math 3, 3rd ed.

About Links## Website Resources

### Chapter 1: Addition & Subtraction Facts

- Number Puzzles

solving puzzles by arranging numbers on a diagram to add up to a given value - Base Blocks

illustrating addition and subtraction in a variety of bases - Math Lines

matching addends to equal a chosen sum within a timeframe

### Chapter 2: Place Value to 1,000,000

- Hundreds Chart

counting and visualizing number patterns using a hundreds chart - Base Blocks

illustrating addition and subtraction in a variety of bases

### Chapter 3: Addition and Subtraction—2- & 3-Digit Numbers

- Base Blocks

illustrating addition and subtraction in a variety of bases

### Chapter 4: Data

- Bar Chart

creating a bar chart of quantities or percentages by labeling columns and selecting values - Pie Chart

exploring percentages and fractions using pie charts

### Chapter 5: Addition and Subtraction of Whole Numbers

- Base Blocks

illustrating addition and subtraction in a variety of bases - Base Blocks Addition

using base ten blocks to model grouping in addition - Number Puzzles

solving puzzles by arranging numbers on a diagram to add up to a given value - Math Lines

matching addends to equal a chosen sum within a timeframe

### Chapter 6: Multiplication Facts to 5

- Sieve of Eratosthenes

relating number patterns with visual patterns - Rectangle Multiplication

visualizing the multiplication of two numbers as an area

### Chapter 7: Division Facts to 5

- Base Blocks

illustrating addition and subtraction in a variety of bases

### Chapter 8: Time

- Learn to Tell Time

setting the time on an analog or digital clock - Time – Match Clocks

showing a given time on both analog and digital clocks

### Chapter 9: Customary Measurement

- Measuring: Find Lengths with a Ruler

choosing lengths to the nearest whole, half, quarter, or sixteenth of an inch

### Chapter 10: Fractions

- Fractions - Visualizing

illustrating a fraction by dividing a shape and highlighting the appropriate parts - Fractions - Naming

entering the fraction that corresponds to the highlighted portion of a shape - Fractions - Parts of a Whole

relating parts of a whole unit to written description and fraction - Fraction Bars

using fraction bars to learn about fractions - Fractions - Equivalent

illustrates relationships between equivalent fractions

### Chapter 11: Multiplication Facts to 10

- Rectangle Multiplication

visualizing the multiplication of two numbers as an area

### Chapter 12: Division Facts to 10

- Base Blocks

illustrating addition and subtraction in a variety of bases - Number Line Bars

using bars to show addition, subtraction, multiplication, and division on a number line - Rectangle Division

dividing numbers by using an area representation - Math Man

solving an equation game - Division Drag Race

choosing the correct quotients faster than three

opponents

### Chapter 13: Geometry

- Geoboard

using geoboards to illustrate area, perimeter, and rational number concepts

### Chapter 14: Money

- Money

counting and making change

### Chapter 15: More Geometry

- Geoboard

using geoboards to illustrate area, perimeter, and rational number concepts - Geoboard - Circular

using circular geoboards to illustrate angles and degrees - Cube

choosing various nets that will form a cube, volume, cubic packaging activity - Space Blocks

creating patterns using three-dimensional blocks

### Chapter 16: Metric Measurement

- Measuring: Find Lengths with a Ruler

choosing lengths to the nearest whole, half, or quarter centimeter

### Chapter 17: Multiply by 1-Digit Numbers

- Sieve of Eratosthenes

relating number patterns with visual patterns - Number Line Arithmetic

using a number line to illustrate arithmetic operations - Number Line Bars

using bars to show addition, subtraction, multiplication, and division on a number line - Rectangle Multiplication

visualizing the multiplication of two numbers as an area - Function Machine

entering values into a machine and observing the output

### Chapter 18: Division by 1-Digit Numbers

- Number Line Arithmetic

using a number line to illustrate arithmetic operations - Number Line Bars

using bars to show addition, subtraction, multiplication, and division on a number line - Rectangle Division

dividing numbers by using an area representation - Math Man

solving an equation game - Division Drag Race

choosing the correct quotients faster than three other opponents

### Chapter 19: Decimal Fractions

- Place Value Number Line

exploring place value by placing dots on number lines - Decimal Tiles (Bars)

understanding how parts make up a whole

### General Resources

- ABCya.com

computer games and activities for elementary students - National Library of Virtual Manipulatives

interactive, virtual manipulatives or concept tutorials (K–12) - Aplusmath.com

interactive use of flash cards, games, homework, and worksheets - Cool Math

cool math lessons, activities, games, and apps, pre-algebra, algebra, precalculus

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Due to the transient nature of Internet websites, these links are updated regularly. At the time of publication, all of the web links suggested in our educational materials were active. Since then, some may have been replaced by similar websites or removed from this list. If you have comments, suggestions, questions, or find that one of these resources is no longer in service, please e-mail us.