Page 71 - NUMINO Challenge_L2
P. 71
1. Sum and Difference
Finding Two Numbers that have a Sum of 10
The following shows the numbers from 1 through 9 that add up to 10.
2+8=10
4+6=10
123456789
3+7=10
1+9=10
EExxpplloorree Find three numbers that have a sum of 7.
+ + =7
+ + =7 + + =7
+ + =7
+ + =7
EExxeerrcciissee Find various sets of three numbers that have a sum of 9.
+ + =9 + + =9
+ + =9 + + =9
68 NUMINO Challenge L2
Finding Two Numbers that have a Sum of 10
The following shows the numbers from 1 through 9 that add up to 10.
2+8=10
4+6=10
123456789
3+7=10
1+9=10
EExxpplloorree Find three numbers that have a sum of 7.
+ + =7
+ + =7 + + =7
+ + =7
+ + =7
EExxeerrcciissee Find various sets of three numbers that have a sum of 9.
+ + =9 + + =9
+ + =9 + + =9
68 NUMINO Challenge L2
