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
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