πagarwalmath · 3rd grade · Common Core 3.MD.C.7c
🧱 Area models
Area and multiplication (tiling, side lengths, splitting shapes)
Name: ______________________Date: ____________
1The rectangle is 8 by 4 + 6. What is the area of the whole rectangle?
Answer: ______________
2The whole rectangle is 8 × 7 = 56. It is split into two parts. What is the missing side?
Answer: ______________
3The rectangle is 5 by 7 + 3. What is the area of the whole rectangle?
Answer: ______________
4The whole rectangle is 8 × 8 = 64. It is split into two parts. What is the missing side?
Answer: ______________
5The rectangle is 3 by 6 + 3. What is the area of the whole rectangle?
Answer: ______________
6The rectangle is 6 by 5 + 4. What is the area of the whole rectangle?
Answer: ______________
7The whole rectangle is 3 × 8 = 24. It is split into two parts. What is the missing side?
Answer: ______________
8The whole rectangle is 8 × 9 = 72. It is split into two parts. What is the missing side?
Answer: ______________
9The whole rectangle is 8 × 8 = 64. It is split into two parts. What is the missing side?
Answer: ______________
10The whole rectangle is 5 × 7 = 35. It is split into two parts. What is the missing side?
Answer: ______________
11The rectangle is 9 by 5 + 4. What is the area of the whole rectangle?
Answer: ______________
12The whole rectangle is 9 × 10 = 90. It is split into two parts. What is the missing side?
Answer: ______________
Answer key: Area models
- 1. 80
- 2. 3
- 3. 50
- 4. 5
- 5. 27
- 6. 54
- 7. 2
- 8. 4
- 9. 3
- 10. 2
- 11. 81
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/area-models