Number patterns
Grade 4 · Level 2 · Sheet 1the answers
Free from tutor.in4me.app · 4.OA.B.4, 4.OA.C.5 · Five minutes a day online, and the difficulty follows your child.
- 1.
Which number is missing?
10,,32,43,54 - 2.
Which number is missing?
6,,20,27,34 - 3.
Which number is missing?
3,26,49,,95 - 4.
Which number is missing?
10,23,,49,62 - 5.
Which number is missing?
11,,25,32,39 - 6.
Which number is missing?
6,15,,33,42 - 7.
Which number is missing?
3,23,,63,83 - 8.
Which number is missing?
2,27,,77,102 - 9.
Which number is missing?
5,16,27,,49 - 10.
Which number is missing?
1,7,,19,25 - 11.
Which number is missing?
10,26,42,,74 - 12.
Which number is missing?
7,,49,70,91
Show the answer key
- 1.21
- 2.13
- 3.72
- 4.36
- 5.18
- 6.24
- 7.43
- 8.52
- 9.38
- 10.13
- 11.58
- 12.28
Answer key · Number patterns · Level 2 · Sheet 1
- 1.21
- 2.13
- 3.72
- 4.36
- 5.18
- 6.24
- 7.43
- 8.52
- 9.38
- 10.13
- 11.58
- 12.28
The mistakes behind most wrong answers
A wrong answer in number patterns 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.
Which number is missing?
12,34,56,,100The answer is 78. A child who answers 100 probably counted one group too many or too few.
Which number is missing?
2,15,,41,54The answer is 28. A child who answers 15 probably started counting from the wrong number.
Which number is missing?
3,6,,12,15The answer is 9. A child who answers 10 probably counted one too many or too few.
What comes next?
15,75,375,1,875The answer is 9,375. A child who answers 1,880 probably added instead of multiplying.
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.