Page 98 - NUMINO Challenge_M2
P. 98
Problem solving
1 Which of the following numbers cannot be made by Key Point
using the given number cards with + and - signs?
137 Two number cards
may be used to make
a 2-digit number
( 31-7=24)
10 5 12 6 14
2 Use each given number card and operation 2+5+9=16, so
multiplication must
symbol once to make the given numbers. be used, or 2
number cards must
2 5 9 +-^
be put together to
19 23 make a 2-digit
number.
95Operations
1 Which of the following numbers cannot be made by Key Point
using the given number cards with + and - signs?
137 Two number cards
may be used to make
a 2-digit number
( 31-7=24)
10 5 12 6 14
2 Use each given number card and operation 2+5+9=16, so
multiplication must
symbol once to make the given numbers. be used, or 2
number cards must
2 5 9 +-^
be put together to
19 23 make a 2-digit
number.
95Operations
