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Plant Lab Fractions: Measuring Sprouts and Soil worksheet preview

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Plant Lab Fractions: Measuring Sprouts and Soil

Grade 5 practice adding and subtracting fractions and mixed numbers with unlike denominators, using plant growth and potting soil.

Grade 5MathInteractive · Printable

Aligned to5.NF.A.1

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What’s included

  • Single worksheet
  • Auto-graded online
  • 1 Common Core standard
  • Printable answer key
  • 14 questions
  • Classroom-ready

Details

Format
Interactive · Printable
Grade
Grade 5
Subject
Math
Question types
Fill in the blank, Multiple choice, Matching, Sorting, Short answer

About this worksheet

What students practice

  • Students rename fractions with a common denominator to add and subtract unlike fractions.
  • Students add and subtract mixed numbers with unlike denominators, regrouping when needed.
  • Students use benchmark fractions to check whether a sum of unlike fractions makes sense.

How to use

Use after teaching equivalent fractions and common denominators. Have students write the renamed fractions for every problem, then use Part 3 as a quick check or exit ticket.

Curriculum

Common Core standard covered

5.NF.A.1

Add and subtract fractions with unlike denominators, including mixed numbers.

Preview

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Name Date

Plant Lab Fractions: Measuring Sprouts and Soil

Rename fractions with a common denominator to add and subtract.

Part 1: Rename, then add or subtract

Rename the fractions so they have the same denominator. Then add or subtract.

1.
Ava's bean sprout grew 1/2 inch on Monday and 1/3 inch on Tuesday. How much did it grow in the two days?

1/2 =  /6 and 1/3 =  /6
1/2 + 1/3 =   inch

2.
A sunflower seedling is 5/6 inch tall. A pea seedling is 1/4 inch tall. How much taller is the sunflower seedling?

5/6 =  /12 and 1/4 =  /12
5/6 − 1/4 =   inch

3.

2/5 + 3/10 =  

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