Area of a split rectangle
Grade 3 · Level 1 · Sheet 1the answers
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- 1.Answer:
What is the area of both parts together?
- 2.Answer:
What is the area of both parts together?
- 3.Answer:
What is the area of both parts together?
- 4.Answer:
What is the area of both parts together?
- 5.Answer:
What is the area of both parts together?
- 6.Answer:
What is the area of both parts together?
- 7.Answer:
What is the area of both parts together?
- 8.Answer:
What is the area of both parts together?
- 9.Answer:
What is the area of both parts together?
- 10.Answer:
What is the area of both parts together?
- 11.Answer:
What is the area of both parts together?
- 12.Answer:
What is the area of both parts together?
Show the answer key
- 1.28
- 2.18
- 3.36
- 4.10
- 5.15
- 6.21
- 7.14
- 8.18
- 9.45
- 10.35
- 11.32
- 12.40
Answer key · Area of a split rectangle · Level 1 · Sheet 1
- 1.28
- 2.18
- 3.36
- 4.10
- 5.15
- 6.21
- 7.14
- 8.18
- 9.45
- 10.35
- 11.32
- 12.40
The mistakes behind most wrong answers
A wrong answer in area of a split rectangle is rarely random. These are the ones that come up most often, each on a real problem — worth knowing before you mark a sheet, because the fix for each is different.
What is the area of both parts together?
The answer is 45. A child who answers 20 probably answered the first half and stopped.
What is the area of both parts together?
The answer is 10. A child who answers 12 probably multiplied all three numbers together.
In the app, every wrong answer is matched against mistakes like these, and the weekly email tells you which one your child keeps making — in those words, not as a percentage.