Math3-5
Adding and Subtracting Fractions with Like Denominators
By CLAIRE H.
A 10-problem practice worksheet for 4th graders that builds fluency in adding and subtracting fractions that share a denominator. It opens with a worked example showing that only the numerators change, then gives students a set of addition and subtraction problems to complete independently or in pairs.
Customize for your classroom
Teacher Guide & Tips
- Use this as a 20 to 30 minute independent practice block after a short mini-lesson on fraction models, or as a warm-up to review the rule that the denominator stays the same.
- Discussion question: Why do we keep the denominator the same when we add 1/4 and 2/4, and what would change if the denominators were different?
- Scaffold for struggling readers: Have students shade fraction circles or bars for each problem before writing the answer, so the visual model supports the numerator-only rule.
- Extension for advanced students: Ask them to write a subtraction problem whose answer is 2/6, then trade with a partner to check each other's work.
- Estimated time: about 20 to 30 minutes for all 10 problems, plus a few minutes for a quick answer check.
Math3-5
Adding and Subtracting Fractions with Like Denominators
By CLAIRE H.
A 10-problem practice worksheet for 4th graders that builds fluency in adding and subtracting fractions that share a denominator. It opens with a worked example showing that only the numerators change, then gives students a set of addition and subtraction problems to complete independently or in pairs.
Customize for your classroom
Teacher Guide & Tips
- Use this as a 20 to 30 minute independent practice block after a short mini-lesson on fraction models, or as a warm-up to review the rule that the denominator stays the same.
- Discussion question: Why do we keep the denominator the same when we add 1/4 and 2/4, and what would change if the denominators were different?
- Scaffold for struggling readers: Have students shade fraction circles or bars for each problem before writing the answer, so the visual model supports the numerator-only rule.
- Extension for advanced students: Ask them to write a subtraction problem whose answer is 2/6, then trade with a partner to check each other's work.
- Estimated time: about 20 to 30 minutes for all 10 problems, plus a few minutes for a quick answer check.