Page 128 - NUMINO Challenge_C2
P. 128
Problem solving Key Points
1 How many 2-digit numbers are there that have a Find numbers that
remainder of 3 when divided by 5, and have a satisfy this equation:
remainder of 2 when divided by 4? (common multiple of
5 and 4) 2.
2 Find the least number that satisfies the First, find the
conditions below. numbers that satisfy
conditions and .
Conditions
When the number is divided by 9, the remainder is 2.
When the number is divided by 4, the remainder is 3.
When the number is divided by 5, the remainder is 3.
125Communication
1 How many 2-digit numbers are there that have a Find numbers that
remainder of 3 when divided by 5, and have a satisfy this equation:
remainder of 2 when divided by 4? (common multiple of
5 and 4) 2.
2 Find the least number that satisfies the First, find the
conditions below. numbers that satisfy
conditions and .
Conditions
When the number is divided by 9, the remainder is 2.
When the number is divided by 4, the remainder is 3.
When the number is divided by 5, the remainder is 3.
125Communication