# Web Links for Math 5, 3rd ed.

## 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
programming a ladybug to hide behind a leaf
programming a ladybug to move through a maze

## 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
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 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 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 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 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

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