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 × 10 = 90. It is split into two parts. What is the missing side?
Answer: ______________
2The whole rectangle is 3 × 7 = 21. It is split into two parts. What is the missing side?
Answer: ______________
3The whole rectangle is 7 × 10 = 70. It is split into two parts. What is the missing side?
Answer: ______________
4The whole rectangle is 7 × 8 = 56. It is split into two parts. What is the missing side?
Answer: ______________
5The rectangle is 7 by 5 + 3. What is the area of the whole rectangle?
Answer: ______________
6The whole rectangle is 7 × 7 = 49. It is split into two parts. What is the missing side?
Answer: ______________
7The rectangle is 3 by 6 + 4. What is the area of the whole rectangle?
Answer: ______________
8The rectangle is 3 by 5 + 3. 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 8 by 5 + 4. What is the area of the whole rectangle?
Answer: ______________
11The whole rectangle is 7 × 9 = 63. It is split into two parts. What is the missing side?
Answer: ______________
12The whole rectangle is 9 × 7 = 63. It is split into two parts. What is the missing side?
Answer: ______________
Answer key: Area models
- 1. 8
- 2. 4
- 3. 3
- 4. 3
- 5. 56
- 6. 2
- 7. 30
- 8. 24
- 9. 2
- 10. 72
- 11. 4
- 12. 5
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/area-models