Page 24 - NUMINO Challenge_L2
P. 24
Number Rules in Figures
Rules can be found by adding or subtracting numbers.

2+1=3 4+3=7 5+6=11

213 437 5 6 11

3-1=2 7-3=4 11-6=5

EExxpplloorree Observe the numbers in the figures to find the rule.

143

6 12 10
23 62 25

1+2+3=6 4+6+2=12 3+2+5=10

The number in the middle is the sum of the surrounding numbers.

EExxeerrcciissee Find the rule and fill in the blanks.

12 17 5 6 20 14

3 8 9 16

Rules 21
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