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 4 × 9 = 36. It is split into two parts. What is the missing side?
Answer: ______________
2The rectangle is 7 by 7 + 2. What is the area of the whole rectangle?
Answer: ______________
3The whole rectangle is 3 × 8 = 24. It is split into two parts. What is the missing side?
Answer: ______________
4The rectangle is 9 by 5 + 4. What is the area of the whole rectangle?
Answer: ______________
5The rectangle is 5 by 5 + 4. What is the area of the whole rectangle?
Answer: ______________
6The whole rectangle is 3 × 10 = 30. It is split into two parts. What is the missing side?
Answer: ______________
7The rectangle is 3 by 5 + 2. What is the area of the whole rectangle?
Answer: ______________
8The rectangle is 4 by 2 + 7. What is the area of the whole rectangle?
Answer: ______________
9The rectangle is 4 by 6 + 4. What is the area of the whole rectangle?
Answer: ______________
10The whole rectangle is 6 × 9 = 54. It is split into two parts. What is the missing side?
Answer: ______________
11The rectangle is 3 by 4 + 3. What is the area of the whole rectangle?
Answer: ______________
12The whole rectangle is 4 × 8 = 32. It is split into two parts. What is the missing side?
Answer: ______________
Answer key: Area models
- 1. 4
- 2. 63
- 3. 3
- 4. 81
- 5. 45
- 6. 4
- 7. 21
- 8. 36
- 9. 40
- 10. 4
- 11. 21
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/3rd-grade/area-models