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Woodshop Club: Building with Mixed Number Lengths worksheet preview

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Woodshop Club: Building with Mixed Number Lengths

Grade 4 woodshop practice: add and subtract mixed numbers with like denominators, including regrouping and rewriting as fractions.

Grade 4MathInteractive · Printable

Aligned to4.NF.B.3.c

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What’s included

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

Details

Format
Interactive · Printable
Grade
Grade 4
Subject
Math
Question types
Fill in the blank, Multiple choice, Matching, Sorting, Short answer

About this worksheet

What students practice

  • Students add and subtract mixed numbers with like denominators by working with wholes and fractions.
  • Students regroup a whole as a fraction, or a fraction as a whole, to add and subtract mixed numbers.
  • Students rewrite mixed numbers as fractions to add and subtract them.

How to use

Use after students can add and subtract fractions with like denominators. Work the first problem in each section together, then let students check answers by adding back.

Curriculum

Common Core standard covered

4.NF.B.3.c

Add and subtract mixed numbers with like denominators.

Preview

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Name Date

Woodshop Club: Building with Mixed Number Lengths

Join and cut boards by adding and subtracting mixed numbers.

Join the boards

The woodshop club glues boards end to end. Add the mixed numbers. All lengths are in feet.

1.
Mila glues a 2 1/4-foot board to a 1 2/4-foot board. How long is the new board?

Add the wholes: 2 + 1 =  
Add the fourths: 1/4 + 2/4 =  /4
The new board is   feet long.

2.
Jamal sets a 1 5/8-foot shelf next to a 2 6/8-foot shelf. How long are both shelves together?

1 5/8 + 2 6/8 = 3 and  /8
Trade 8/8 for 1 whole. Both shelves are   feet long.

3.
Rafael needs two strips of trim for a birdhouse roof. One is 1 3/8 feet long and the other is 2 7/8 feet long. Write each mixed number as a fraction, then add.

1 3/8 =  /8
2 7/8 =  /8
Add the fractions:  /8
As a mixed number, Rafael needs   feet of trim.

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