πagarwalmath · 3rd grade · Common Core 3.MD.C.7c
🧱 Area models
Area and multiplication (tiling, side lengths, splitting shapes)
Name: ______________________Date: ____________
1The whole rectangle is 7 × 10 = 70. It is split into two parts. What is the missing side?
Answer: ______________
2The whole rectangle is 9 × 8 = 72. It is split into two parts. What is the missing side?
Answer: ______________
3The whole rectangle is 3 × 10 = 30. It is split into two parts. What is the missing side?
Answer: ______________
4The rectangle is 7 by 3 + 7. What is the area of the whole rectangle?
Answer: ______________
5The rectangle is 3 by 5 + 2. What is the area of the whole rectangle?
Answer: ______________
6The rectangle is 7 by 4 + 3. What is the area of the whole rectangle?
Answer: ______________
7The whole rectangle is 8 × 7 = 56. It is split into two parts. What is the missing side?
Answer: ______________
8The rectangle is 8 by 8 + 2. What is the area of the whole rectangle?
Answer: ______________
9The whole rectangle is 3 × 10 = 30. It is split into two parts. What is the missing side?
Answer: ______________
10The whole rectangle is 4 × 8 = 32. It is split into two parts. What is the missing side?
Answer: ______________
11The whole rectangle is 6 × 10 = 60. It is split into two parts. What is the missing side?
Answer: ______________
12The rectangle is 6 by 5 + 3. What is the area of the whole rectangle?
Answer: ______________
Answer key: Area models
- 1. 7
- 2. 6
- 3. 7
- 4. 70
- 5. 21
- 6. 49
- 7. 2
- 8. 80
- 9. 2
- 10. 3
- 11. 7
- 12. 48
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/area-models