Page 171 - NUMINO Challenge_L1
P. 171
Answer
Key
4. Numbers that Fit Conditions
EEExxxeeerrrccciiissseee Find a number from 0 to 9 that fits in .
54 5
The tens place is 5 in both the numbers. The ones place must be smaller than
4, so the numbers that can fit in are 0, 1, 2, and 3.
69 9
The ones place is 9 in both numbers. The tens place must be greater than 6,
so the numbers that can fit in are 7, 8, are 9.
54 5 0123456789
54 is greater than 50 , 51 , 52 , 53 .
69 9 0123456789
69 is less than 79 , 89 , 99 .
EEExxxeeerrrccciiissseee The numbers between 30 and 40 are shown below.
31 32 33 34 35 36 37 38 39
The number whose digits add up to 11 is 38.
Type Study If the digit in the tens place is 1, 2, 3, or 4, the following are the 2-digit
numbers that can be made.
14
2 23 24
3 1 32 34
4 41 42 43
Among the numbers made in , the greatest number with 4 in the tens
place is 43. The smallest number with 1 in the tens place 12.
42 NUMINO Challenge L1
Key
4. Numbers that Fit Conditions
EEExxxeeerrrccciiissseee Find a number from 0 to 9 that fits in .
54 5
The tens place is 5 in both the numbers. The ones place must be smaller than
4, so the numbers that can fit in are 0, 1, 2, and 3.
69 9
The ones place is 9 in both numbers. The tens place must be greater than 6,
so the numbers that can fit in are 7, 8, are 9.
54 5 0123456789
54 is greater than 50 , 51 , 52 , 53 .
69 9 0123456789
69 is less than 79 , 89 , 99 .
EEExxxeeerrrccciiissseee The numbers between 30 and 40 are shown below.
31 32 33 34 35 36 37 38 39
The number whose digits add up to 11 is 38.
Type Study If the digit in the tens place is 1, 2, 3, or 4, the following are the 2-digit
numbers that can be made.
14
2 23 24
3 1 32 34
4 41 42 43
Among the numbers made in , the greatest number with 4 in the tens
place is 43. The smallest number with 1 in the tens place 12.
42 NUMINO Challenge L1
