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 9 × 8 = 72. It is split into two parts. What is the missing side?
Answer: ______________
2The whole rectangle is 9 × 10 = 90. It is split into two parts. What is the missing side?
Answer: ______________
3The whole rectangle is 5 × 8 = 40. It is split into two parts. What is the missing side?
Answer: ______________
4The rectangle is 9 by 2 + 8. What is the area of the whole rectangle?
Answer: ______________
5The whole rectangle is 4 × 7 = 28. It is split into two parts. What is the missing side?
Answer: ______________
6The rectangle is 8 by 5 + 2. What is the area of the whole rectangle?
Answer: ______________
7The rectangle is 8 by 4 + 3. What is the area of the whole rectangle?
Answer: ______________
8The rectangle is 8 by 3 + 6. What is the area of the whole rectangle?
Answer: ______________
9The whole rectangle is 6 × 7 = 42. It is split into two parts. What is the missing side?
Answer: ______________
10The rectangle is 6 by 5 + 3. What is the area of the whole rectangle?
Answer: ______________
11The rectangle is 7 by 6 + 4. What is the area of the whole rectangle?
Answer: ______________
12The rectangle is 9 by 3 + 6. What is the area of the whole rectangle?
Answer: ______________
Answer key: Area models
- 1. 3
- 2. 5
- 3. 3
- 4. 90
- 5. 2
- 6. 56
- 7. 56
- 8. 72
- 9. 2
- 10. 48
- 11. 70
- 12. 81
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/area-models