1. 3rd Grade Math Module 7 Lesson 10
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3rd Grade Math
Module 7 Lesson 10

2. I can understand perimeter as the boundary of a shape.
Lesson 10 Learning Goal
I can understand perimeter as the boundary of a shape.

3. Say the multiplication sentence
Lesson 10
I can understand perimeter
as the boundary of a shape.
Count by twos to 20.
2, 4, 6, 8, 10, 12, 14, 16, 18, 20 1
two 2
twos 3
twos 4
twos 5
twos 6
twos 7
twos 8
twos 9
twos 10
twos
Say the multiplication sentence
Equivalent Counting with Units of Two

4. Lesson 10
I can understand perimeter
as the boundary of a shape.
Trista uses all seven of her tangram pieces to make a square as shown. One side of her square is 4 inches long. What is the total area of the two large triangles? Explain your answer.
4 inches
Application Problem

5. Lesson 10
I can understand perimeter
as the boundary of a shape.
Trista uses all seven of her tangram pieces to make a square as shown. One side of her square is 4 inches long. What is the total area of the two large triangles? Explain your answer.
4 inches
4 x 4 = area of square
4 x 4 = 16 sq. inches
16 ÷ 2 = area of large triangles
16 ÷ 2 = 8 sq. inches
The area of the two large triangles is half of the area of the square. The area of the two large triangles is 8 square inches.
4 inches
Application Problem

6. Lesson 10 Use suggested materials and Problem Set
I can understand perimeter
as the boundary of a shape.
Use suggested materials
and Problem Set
for Concept Development.
Concept Development