Area of a rectangle
Grade 3 · Level 1 · Sheet 1the answers
Free from tutor.in4me.app · 3.MD.C.5, 3.MD.C.6, 3.MD.C.7.a, 3.MD.C.7.b, 3.MD.C.7.c, 3.MD.D.8 · Five minutes a day online, and the difficulty follows your child.
- 1.Answer:
How many squares cover this shape?
- 2.Answer:
How many squares cover this shape?
- 3.Answer:
How many squares cover this shape?
- 4.Answer:
How many squares cover this shape?
- 5.Answer:
How many squares cover this shape?
- 6.Answer:
How many squares cover this shape?
- 7.Answer:
How many squares cover this shape?
- 8.Answer:
How many squares cover this shape?
- 9.Answer:
How many squares cover this shape?
- 10.Answer:
How many squares cover this shape?
- 11.Answer:
How many squares cover this shape?
- 12.Answer:
How many squares cover this shape?
Show the answer key
- 1.16
- 2.12
- 3.10
- 4.4
- 5.9
- 6.6
- 7.8
- 8.15
- 9.20
- 10.25
- 11.15
- 12.20
Answer key · Area of a rectangle · Level 1 · Sheet 1
- 1.16
- 2.12
- 3.10
- 4.4
- 5.9
- 6.6
- 7.8
- 8.15
- 9.20
- 10.25
- 11.15
- 12.20
The mistakes behind most wrong answers
A wrong answer in area of a 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.
How many squares cover this shape?
The answer is 20. A child who answers 9 probably added the sides instead of multiplying them.
How many squares cover this shape?
The answer is 4. A child who answers 2 probably counted one group too many or too few.
How many squares cover this shape?
The answer is 15. A child who answers 16 probably gave the distance round instead of the space inside.
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.