Fraction addition & subtraction
Compose and remove equal-sized parts. Common denominators and regrouping preserve the amount while its representation changes.
Choose a complete lesson below. Each includes teacher notes, student materials, answers, and an exit ticket.
Mixed Number Market
Add and subtract mixed numbers with like denominators using regrouping.
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Common Denominator Kitchen
Add unlike fractions by renaming both ingredients in common units.
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Fraction Difference Trail
Subtract unlike fractions and check differences against estimates.
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Estimate Before Exact
Use benchmark estimates to reject unreasonable fraction sums and differences.
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