Number patterns: + and − by 1 to 5 worksheet · Logic Level 9

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Level 9 of 20 in Learning Lab's logic ladder, in the “Reasoning” stage. Many children reach it around ages 6–7, but levels aren't tied to age.

This sheet has 12 questions at this level. Mastered after two sheets in a row at 90% or more. It can be printed or done on screen in kid mode.

Learning Lab

Logic · Level 9

Number patterns: + and − by 1 to 5

L9-9JNN

Riley · Week of Nov 2

Name: Score: / 12

1.18, 17, __, 15, __, 13
2.19, 24, 29, 34, __, 44
3.29, 25, 21, __, 13, 9
4.25, 22, 19, __, __, 10
5.35, 38, __, 44, 47, 50
6.33, 29, 25, 21, __, __
7.50, 47, __, 41, 38, __
8.8, 13, __, 23, __, 33
9.50, 48, 46, 44, __, __
10.39, 41, 43, 45, __, 49
11.14, 12, __, 8, 6, 4
12.9, 14, __, 24, __, 34

Learning Lab · Answer key

Logic · Level 9

Number patterns: + and − by 1 to 5

L9-9JNN

Riley · Week of Nov 2

For grown-ups — keep this page separate from the sheet.

16, 14
39
17
16, 13
41
17, 13
44, 35
18, 28
42, 40
47
10
19, 29