1. 3rd Grade Math Module 7 Lesson 31
engageny
3rd Grade Math
Module 7 Lesson 31

2. I can explore and create representations of one-half.
Lesson 31 Learning Goal
I can explore and create representations of one-half.

3. 5 x 4 = 20 Lesson 31 Say the multiplication sentence.
I can explore and create
representations of one-half.
Say the multiplication sentence.
5 x 4 = 20
Multiply and Divide

4. 5 x 8 = 40 Lesson 31 Say the multiplication sentence.
I can explore and create
representations of one-half.
Say the multiplication sentence.
5 x 8 = 40
Multiply and Divide

5. 6 x 4 = 24 Lesson 31 Say the multiplication sentence.
I can explore and create
representations of one-half.
Say the multiplication sentence.
6 x 4 = 24
Multiply and Divide

6. 6 x 8 = 48 Lesson 31 Say the multiplication sentence.
I can explore and create
representations of one-half.
Say the multiplication sentence.
6 x 8 = 48
Multiply and Divide

7. 9 x 8 = 72 Lesson 31 Say the multiplication sentence.
I can explore and create
representations of one-half.
Say the multiplication sentence.
9 x 8 = 72
Multiply and Divide

8. 8 x 9 = 72 Lesson 31 Say the multiplication sentence.
I can explore and create
representations of one-half.
Say the multiplication sentence.
8 x 9 = 72
Multiply and Divide

9. 18 ÷ 3 = 6 Lesson 31 Say the division sentence. Multiply and Divide
I can explore and create
representations of one-half.
Say the division sentence.
18 ÷ 3 = 6
Multiply and Divide

10. 30 ÷ 6 = 5 Lesson 31 Say the division sentence. Multiply and Divide
I can explore and create
representations of one-half.
Say the division sentence.
30 ÷ 6 = 5
Multiply and Divide

11. 21 ÷ 3 = 7 Lesson 31 Say the division sentence. Multiply and Divide
I can explore and create
representations of one-half.
Say the division sentence.
21 ÷ 3 = 7
Multiply and Divide

12. 36 ÷ 6 = 6 Lesson 31 Say the division sentence. Multiply and Divide
I can explore and create
representations of one-half.
Say the division sentence.
36 ÷ 6 = 6
Multiply and Divide

13. 14 ÷ 7 = 2 Lesson 31 Say the division sentence. Multiply and Divide
I can explore and create
representations of one-half.
Say the division sentence.
14 ÷ 7 = 2
Multiply and Divide

14. 28 ÷ 7 = 4 Lesson 31 Say the division sentence. Multiply and Divide
I can explore and create
representations of one-half.
Say the division sentence.
28 ÷ 7 = 4
Multiply and Divide

15. 56 ÷ 7 = 8 Lesson 31 Say the division sentence. Multiply and Divide
I can explore and create
representations of one-half.
Say the division sentence.
56 ÷ 7 = 8
Multiply and Divide

16. Lesson 31
I can explore and create
representations of one-half.
What are two multiplication sentences and
two division sentences
using these factors.
3, 2
3 x 2 = 6
2 x 3 = 6
6 ÷ 3 = 2
6 ÷ 2 = 3
Multiply and Divide

17. Lesson 31
I can explore and create
representations of one-half.
What are two multiplication sentences and
two division sentences
using these factors.
9, 5
9 x 5 = 45
5 x 9 = 45 45÷ 9 = 5
45÷ 5 = 9
Multiply and Divide

18. Lesson 31
I can explore and create
representations of one-half.
What are two multiplication sentences and
two division sentences
using these factors.
6, 4
6 x 4 = 24
4 x 6 = 24 24÷ 6 = 4
24÷ 4 = 6
Multiply and Divide

19. Lesson 31
I can explore and create
representations of one-half.
What are two multiplication sentences and
two division sentences
using these factors.
7, 8
7 x 8 = 56
8 x 7 = 56 56÷ 7 = 8
56÷ 8 = 7
Multiply and Divide

20. Lesson 31
I can explore and create
representations of one-half.
Mara draws a 6 inch by 8 inch rectangle. She shades one half of the rectangle. What is the area of the shaded part of Mara’s rectangle?
Application Problem

21. The area of the shaded part is 24 sq. inches.
Lesson 31
I can explore and create
representations of one-half.
Mara draws a 6 inch by 8 inch rectangle. She shades one half of the rectangle. What is the area of the shaded part of Mara’s rectangle?
8 in
A = 6 x 4
A = 24 sq. in
6 in
4 in
The area of the shaded part is 24 sq. inches.
Application Problem

22. Lesson 31 Estimate to decide which shapes have one-half shaded.
I can explore and create
representations of one-half.
Estimate to decide which shapes have one-half shaded.
Explain your thinking. A B C
Why are equal parts important when we’re talking
about one-half?
Concept Development

23. Lesson 31 Use suggested materials and the Problem Set
I can explore and create
representations of one-half.
Use suggested materials and the Problem Set
for Concept Development.
Concept Development