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Cubby Shelf Builders: Split the Shelf, Add the Areas worksheet preview

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Cubby Shelf Builders: Split the Shelf, Add the Areas

Grade 3 distributive property with area: split tiled cubby shelves into two rectangles, find each part's area, and add to get the whole area.

Grade 3MathInteractive · Printable

Aligned to3.MD.C.7.c

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What’s included

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

Details

Format
Interactive · Printable
Grade
Grade 3
Subject
Math
Question types
Fill in the blank, Multiple choice, Matching, Circle the answer, Short answer, Drawing

About this worksheet

What students practice

  • Students split a tiled rectangle into two rectangles and add their areas to find the whole area.
  • Students show that a × (b + c) has the same value as a × b + a × c using area models.
  • Students use a split rectangle to solve a harder multiplication fact.

How to use

Use after students can find the area of a tiled rectangle. Let them trace the split line in color and label each part before they add.

Curriculum

Common Core standard covered

3.MD.C.7.c

Use tiling to show that area follows the distributive property.

Preview

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Name Date

Cubby Shelf Builders: Split the Shelf, Add the Areas

Break big cubby shelves into two smaller rectangles to find the area.

Split and add

Each cubby is a square that is 1 foot on each side. Find the area of each part of the shelf, then add.

1.
The art room shelf is split into part A and part B.A5 ft4 ftB2 ft

Area of part A: 4 × 5 =   square feet
Area of part B: 4 × 2 =   square feet
Area of the whole shelf:   square feet

2.
Mr. Okafor splits the coat shelf like this.A6 ft3 ftB3 ftWhich expression matches how the shelf is split?
  • A. 3 + (6 × 3)
  • B. 6 × (3 + 3)
  • C. 3 × (6 + 3)
  • D. (3 + 6) + 3
3.
This shelf is split across the middle into a top part and a bottom part.A6 ft3 ftB2 ft

6 × 5 = 6 × 3 + 6 ×  
6 × 5 = 18 +  
The area of the whole shelf is   square feet.

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