# Web Links for Math 3, 3rd ed.

## 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
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 7: Division Facts to 5

• Base Blocks
illustrating addition and subtraction in a variety of bases

## 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