# Web Links for Math 5, 3rd ed.

About Links## Chapter 1: Number Sense

- Place Value Number Line

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

understanding how parts make up a whole - Ascending Numbers

practicing numerical order with negatives

## Chapter 2: Addition & Subtraction

- Base Blocks Addition

using base ten blocks to model grouping in addition - Number Line Arithmetic

using a number line to illustrate arithmetic operations - Number Puzzles

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

solving puzzles involving the differences of given numbers - Decimal Tiles (Bars)

understanding how parts make up a whole

## Chapter 3: Multiplication

- 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 - Sieve of Eratosthenes

relating number patterns with visual patterns - Factor Tree

using a tree diagram to factor numbers; finding the GCF and LCM - Rectangle Multiplication

visualizing the multiplication of two numbers as an area

## Chapter 4: Geometry: Lines & Angles

- Geoboard

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

using circular geoboards to illustrate angles and degrees - Ladybug Leaf

programming a ladybug to hide behind a leaf - Ladybug Mazes

programming a ladybug to move through a maze

## Chapter 5: Division: 1-Digit Divisors

- 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 opponents

## Chapter 6: 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 - Fraction Bars

using fraction bars to learn about fractions - Fractions - Equivalent

illustrates relationships between equivalent fractions - Factor Tree

using a tree diagram to factor numbers; finding the GCF and LCM - Fractions - Comparing

determining the size of fractions and plotting them on a number line - Equal Proportions

choosing the correct missing term in a proportion

## Chapter 7: Division: 2-Digit Divisors

- Rectangle Division

dividing numbers by using an area representation

## Chapter 8: Time & Customary Measurement

- Measuring: Find Lengths with a Ruler

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

## Chapter 9: Fractions: Addition & Subtraction

- Number Line Bars

using bars to show addition and subtraction of whole numbers on a number line; then setting the step size to a fractional value to show addition and subtraction of fractions on a number line - Fraction Bars

using fraction bars to learn about fractions - Fractions – Adding

illustrating what it means to find a common denominator and combine - Factor Tree

using a tree diagram to factor numbers; finding the GCF and LCM

## Chapter 10: Equations

- Number Line Bounce

number line addition and subtraction game - Coin Problem

using deduction to find the counterfeit coin - Algebra Balance Scales

solving simple linear equations using a balance beam representation

## Chapter 11: Geometry: Perimeter & Area

- Rectangle Multiplication

visualizing the multiplication of two numbers as an area - Geoboard - Circular

using circular geoboards to illustrate angles and degrees - Ladybug Leaf

programming a ladybug to hide behind a leaf - Ladybug Mazes

programming a ladybug to move through a maze

## Chapter 12: Fractions: Multiplication & Division

- Number Line Bars

using bars to show addition and subtraction of whole numbers on a number line; then setting the step size to a fractional value to show addition and subtraction of fractions on a number line - Fraction Bars

using fraction bars to learn about fractions

## Chapter 13: Decimals: Multiplication & Division

- Decimal Tiles (Bars)

understanding how parts make up a whole - Base Blocks Decimals

using base blocks to add and subtract decimal values

## Chapter 14: Geometry: Surface Area & Volume

- Cube

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

cubes by design (God’s creation) - Space Blocks

creating patterns using three-dimensional blocks

## Chapter 15: Metric Measurement

- Measuring: Find Lengths with a Ruler

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

## Chapter 16: Ratios, Proportions & Percents

- Tessellations

using regular and semi-regular tessellations to tile a plane - Percent Grids

using hundreds grids to represent, name, and explore percentages - Spinners

using spinners to learn about numbers and probabilities

## Chapter 17: Integers

- Ascending Numbers

practicing numerical order with negatives - Color Chips–Addition

using colored chips to show the addition of integers - Color Chips–Subtraction

using colored chips to show the subtraction of integers - Circle 0

arranging integers by threes to make a sum of zero - Number Line Bounce

number line addition and subtraction game

## Chapter 18: Data & Graphs

- 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

## 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 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.