Page 172 - NUMINO Challenge_L2

The following shows 3 numbers from 1 to 7 that add to 11:
1+3+7=11 1+4+6=11 2+3+6=11 2+4+5=11

14

362

75

The following are addition and subtraction expressions using two of the given

number cards:

1+2=3 1+6=7 2+6=8

2-1=1 6-1=5 6-2=4

1, 3, 4, 5, 7, 8

Challenge Yourself

Numbers Addition Expressions

4 1+4=5
5 1+1+4 or 4+2=6
6
7 or
8 1+1+4+2=8 or 5+3=8
9
10 5+3+1=9
11 2+5+3=10
4+2+5=11 or 2+5+3+1=11

The following shows numbers that can be made by moving one matchstick.

43Answer Key