Reading a dot plot
Grade 3 · Level 3 · Sheet 1the answers
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- 1.Answer:
How many more are at 3 than at 1?
123456 - 2.Answer:
How many more are at 2 than at 5?
123456 - 3.Answer:
How many more are at 2 than at 6?
123456 - 4.Answer:
How many more are at 4 than at 2?
123456 - 5.Answer:
How many more are at 6 than at 5?
123456 - 6.Answer:
How many more are at 5 than at 4?
123456 - 7.Answer:
How many more are at 2 than at 5?
123456 - 8.Answer:
How many more are at 5 than at 6?
123456 - 9.Answer:
How many more are at 2 than at 3?
123456 - 10.Answer:
How many more are at 1 than at 2?
123456 - 11.Answer:
How many more are at 5 than at 6?
123456 - 12.Answer:
How many more are at 1 than at 5?
123456
Show the answer key
- 1.1
- 2.4
- 3.1
- 4.3
- 5.1
- 6.3
- 7.2
- 8.4
- 9.2
- 10.1
- 11.1
- 12.3
Answer key · Reading a dot plot · Level 3 · Sheet 1
- 1.1
- 2.4
- 3.1
- 4.3
- 5.1
- 6.3
- 7.2
- 8.4
- 9.2
- 10.1
- 11.1
- 12.3
The mistakes behind most wrong answers
A wrong answer in reading a dot plot 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 more are at 5 than at 3?
123456The answer is 1. A child who answers 19 probably counted the whole plot instead of the part asked for.
How many more are at 5 than at 1?
123456The answer is 1. A child who answers 3 probably added instead of taking away.
How many more are at 6 than at 4?
123456The answer is 3. A child who answers 4 probably answered with one of the numbers shown.
How many are at 2?
123456The answer is 1. A child who answers 2 probably read the stack next to the one asked about.
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.