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 × 7 = 63. It is split into two parts. What is the missing side?
Answer: ______________
2The rectangle is 9 by 5 + 4. What is the area of the whole rectangle?
Answer: ______________
3The rectangle is 8 by 4 + 6. What is the area of the whole rectangle?
Answer: ______________
4The rectangle is 9 by 5 + 2. What is the area of the whole rectangle?
Answer: ______________
5The rectangle is 4 by 2 + 5. What is the area of the whole rectangle?
Answer: ______________
6The whole rectangle is 5 × 10 = 50. It is split into two parts. What is the missing side?
Answer: ______________
7The rectangle is 4 by 6 + 2. What is the area of the whole rectangle?
Answer: ______________
8The rectangle is 9 by 3 + 5. What is the area of the whole rectangle?
Answer: ______________
9The rectangle is 8 by 3 + 4. What is the area of the whole rectangle?
Answer: ______________
10The whole rectangle is 5 × 8 = 40. It is split into two parts. What is the missing side?
Answer: ______________
11The whole rectangle is 6 × 7 = 42. It is split into two parts. What is the missing side?
Answer: ______________
12The whole rectangle is 6 × 10 = 60. It is split into two parts. What is the missing side?
Answer: ______________
Answer key: Area models
- 1. 2
- 2. 81
- 3. 80
- 4. 63
- 5. 28
- 6. 5
- 7. 32
- 8. 72
- 9. 56
- 10. 3
- 11. 2
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/area-models