Cube Perimeter Worksheet
Cube Perimeter
Grade 2 Math • Measuring with Snap Cubes
Name:
Date:
What is Perimeter?
Perimeter is the total distance all the way around the outside edge of a shape.
1. Count cubes on each of the 4 sides.
2. Add all four sides together: Top + Bottom + Left + Right!
Example: 4 by 2 Rectangle
Top: 4 cubes
2
2
Bottom: 4 cubes
4 + 2 + 4 + 2 = 12 cubes
Part 1
Count the cubes on each side, then add to find the perimeter!
1
Top
L
R
Bottom
Top:
Right:
Bottom:
Left:
Addition Sentence:
=
Perimeter = cubes
2
Top
L
R
Bottom
Top:
Right:
Bottom:
Left:
Addition Sentence:
=
Perimeter = cubes
3
Top
L
R
Bottom
Top:
Right:
Bottom:
Left:
Addition Sentence:
=
Perimeter = cubes
Turn to page 2 for hands-on cube challenges! Page 1 of 2
Cube Perimeter • Page 2
More Practice & Hands-On Building
Name:
Part 2
Find the perimeter for each rectangle below:
4
6 by 2 Rectangle
=
Perimeter = cubes
5
3 by 3 Square Rectangle
=
Perimeter = cubes
Part 3
Hands-On Cube Builder: Build with real cubes, then sketch and solve!
6
Build a rectangle that is 5 cubes long and 3 cubes wide.
Snap cubes together from your math bin, sketch your rectangle in the box, and add the sides.
Sketch shape:
Side lengths:
=
Total Perimeter = cubes
Brain Buster Challenge! Explorer
Can you build a rectangle with a perimeter of exactly 14 cubes? Show one way to make it!
Sketch shape:
My mystery rectangle addition sentence:
= 14
Length: Width:
Great job measuring perimeter with snap cubes! Page 2 of 2
Cube Perimeter Answer Key
Teacher Answer Key
Cube Perimeter
Grade 2 Math • Answer Key & Solutions
Name: Answer Key
Date: 2nd Grade Unit
Key Concept & Strategy
Perimeter is the total distance all the way around the outside edge of a shape.
1. Students count cubes along each side (or use opposite side congruence).
2. Add all four sides: Top + Bottom + Left + Right.
Model Example: 4 by 2 Rectangle
Top: 4 cubes
2
2
Bottom: 4 cubes
4 + 2 + 4 + 2 = 12 cubes
Part 1 Solutions
Count the cubes on each side, then add:
*Any order of 4 addends is acceptable
1
3
2
2
3
Top: 3
Right: 2
Bottom: 3
Left: 2
Addition Sentence:
3
2
3
2
=
10
Perimeter = 10 cubes
2
5
2
2
5
Top: 5
Right: 2
Bottom: 5
Left: 2
Addition Sentence:
5
2
5
2
=
14
Perimeter = 14 cubes
3
4
3
3
4
Top: 4
Right: 3
Bottom: 4
Left: 3
Addition Sentence:
4
3
4
3
=
14
Perimeter = 14 cubes
Teacher Answer Key • Grade 2 Measurement Page 1 of 2
Teacher Answer Key
Cube Perimeter • Page 2 Solutions
More Practice & Hands-On Building Key
Target: Perimeter Solutions
Part 2 Solutions
Find the perimeter for each rectangle below:
4
