Counting in twos, fives and tens
Grade 1 · Level 2 · Sheet 1the answers
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- 1.
Count by 5s. What is missing?
606570? - 2.
Count by 5s. What is missing?
3540?50 - 3.
Count by 5s. What is missing?
5055?65 - 4.
Count by 5s. What is missing?
5?1520 - 5.
Count by 5s. What is missing?
4550?60 - 6.
Count by 5s. What is missing?
303540? - 7.
Count by 5s. What is missing?
55?6570 - 8.
Count by 5s. What is missing?
404550? - 9.
Count by 5s. What is missing?
25?3540 - 10.
Count by 5s. What is missing?
707580? - 11.
Count by 5s. What is missing?
8085?95 - 12.
Count by 5s. What is missing?
10?2025
Show the answer key
- 1.75
- 2.45
- 3.60
- 4.10
- 5.55
- 6.45
- 7.60
- 8.55
- 9.30
- 10.85
- 11.90
- 12.15
Answer key · Counting in twos, fives and tens · Level 2 · Sheet 1
- 1.75
- 2.45
- 3.60
- 4.10
- 5.55
- 6.45
- 7.60
- 8.55
- 9.30
- 10.85
- 11.90
- 12.15
The mistakes behind most wrong answers
A wrong answer in counting in twos, fives and tens 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.
Count by 5s. What is missing?
808590?The answer is 95. A child who answers 91 probably counted one too many or too few.
Count by 5s. What is missing?
20?3035The answer is 25. A child who answers 30 probably counted the last one twice.
Count by 5s. What is missing?
85?95100The answer is 90. A child who answers 85 probably started counting from the wrong number.
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.