Page 32 - NUMINO Challenge_A1
P. 32
06 Three dif ferent digits are used to make addition sentences with 2-digit
numbers. If the sum must be greater than 50 and smaller than 100, the
following addition sentences can be made.
The Greatest Sum The Smallest Sum
Digits Used: 4, 5, 9 Digits Used: 2, 5, 6
44 26
55 26
99 52
Following the same method, use three dif ferent digits to make addition
sentences with the greatest and the smallest sums. Each sum must be
greater than 100 and smaller than 199.
The Greatest Sum The Smallest Sum
Digits Used: , , Digits Used: , ,
29Number and Operations
numbers. If the sum must be greater than 50 and smaller than 100, the
following addition sentences can be made.
The Greatest Sum The Smallest Sum
Digits Used: 4, 5, 9 Digits Used: 2, 5, 6
44 26
55 26
99 52
Following the same method, use three dif ferent digits to make addition
sentences with the greatest and the smallest sums. Each sum must be
greater than 100 and smaller than 199.
The Greatest Sum The Smallest Sum
Digits Used: , , Digits Used: , ,
29Number and Operations