Page 96 - NUMINO Challenge_M1
P. 96
Problem solving
1 Find all the numbers that satisfy the following Key Point
condition. An odd number has
an odd digit in the
ones place.
2-digit odd number that
is greater than 90.
2 How many even numbers from 10 to 30 remain Numbers that remain
even after the tens
even when the numbers in the tens place and digit and ones digit
are switched, and
ones place are switched? have tens digits that
are also even.
Numbers 93
1 Find all the numbers that satisfy the following Key Point
condition. An odd number has
an odd digit in the
ones place.
2-digit odd number that
is greater than 90.
2 How many even numbers from 10 to 30 remain Numbers that remain
even after the tens
even when the numbers in the tens place and digit and ones digit
are switched, and
ones place are switched? have tens digits that
are also even.
Numbers 93
