Counting to 20
Kindergarten · Level 4 · Sheet 1the answers
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- 1.
What number is missing?
1213??16 - 2.
What number is missing?
7?9?11 - 3.
What number is missing?
101112?? - 4.
What number is missing?
1??45 - 5.
What number is missing?
8??1112 - 6.
What number is missing?
56??9 - 7.
What number is missing?
15??1819 - 8.
What number is missing?
1415??18 - 9.
What number is missing?
4??78 - 10.
What number is missing?
13?1516? - 11.
What number is missing?
910??13 - 12.
What number is missing?
6??910
Show the answer key
- 1.14
- 2.8
- 3.13
- 4.2
- 5.9
- 6.7
- 7.16
- 8.16
- 9.5
- 10.14
- 11.11
- 12.7
Answer key · Counting to 20 · Level 4 · Sheet 1
- 1.14
- 2.8
- 3.13
- 4.2
- 5.9
- 6.7
- 7.16
- 8.16
- 9.5
- 10.14
- 11.11
- 12.7
The mistakes behind most wrong answers
A wrong answer in counting to 20 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 number is missing?
151617??The answer is 18. A child who answers 17 probably counted the last one twice.
What number is missing?
4??78The answer is 5. A child who answers 6 probably counted one too many or too few.
What number is missing?
678??The answer is 9. A child who answers 6 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.