Hundreds Chart for Mixed Fractions
Grade 5 Mathematics Adding and Subtracting Mixed Fractions Using Visual Tools for Success
What Are Mixed Fractions?
A whole number plus a fraction Example: 2 1/4 means 2 + 1/4 Also called mixed numbers We see them in everyday life: recipes, measurements
Understanding the Hundreds Chart
Grid showing numbers 1 to 100 Each row has 10 numbers Helps us visualize number relationships Great tool for counting and calculations
Converting Mixed Fractions
Step 1: Convert mixed fraction to improper fraction Step 2: Use hundreds chart for calculation Step 3: Convert back to mixed fraction Practice: Convert 2 3/4 to improper fraction
Adding Mixed Fractions with Hundreds Chart
{"left":"Convert both mixed fractions to improper fractions\nAdd the improper fractions using the chart\nCount forward on the hundreds chart","right":"Convert the sum back to a mixed fraction\nExample: 1 1/2 + 2 1/4\nBecomes 3/2 + 9/4 = 6/4 + 9/4 = 15/4 = 3 3/4"}
Hands-On Practice
Work in pairs Use hundreds chart and fraction pieces Solve: 1 1/3 + 2 2/3 Check your answer with a partner
Challenge Question
Can you subtract mixed fractions using the hundreds chart? Try: 3 1/2 - 1 1/4 What steps would you follow? Discuss with your table group
Summary and Next Steps
Hundreds chart helps visualize fraction operations Always convert mixed fractions first Use the chart for counting and checking Practice makes perfect with fractions!
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