Page 160 - NUMINO Challenge_L2
P. 160
Problem solving
1 The possible ways for 3 numbers to add up to 9 are as follows:
1+1+7=9 1+2+6=9 1+3+5=9 1+4+4=9
2+2+5=9 2+3+4=9 3+3+3=9
Sum: 9
13547
26351
51452
57931
63824
The possible ways for 3 numbers to add up to 10 are as follows:
1+1+8=10 1+2+7=10 1+3+6=10 1+4+5=10
2+2+6=10 2+3+5=10 2+4+4=10 3+3+4=10
Sum: 10
18644
23362
58271
24553
72614
31Answer Key
1 The possible ways for 3 numbers to add up to 9 are as follows:
1+1+7=9 1+2+6=9 1+3+5=9 1+4+4=9
2+2+5=9 2+3+4=9 3+3+3=9
Sum: 9
13547
26351
51452
57931
63824
The possible ways for 3 numbers to add up to 10 are as follows:
1+1+8=10 1+2+7=10 1+3+6=10 1+4+5=10
2+2+6=10 2+3+5=10 2+4+4=10 3+3+4=10
Sum: 10
18644
23362
58271
24553
72614
31Answer Key
