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14. NumbersMtahzaetsFit Conditions

Conditions of Odd and Even Numbers

1, 3, 5, 7, 9, 11, 13, ... are odd and 2, 4, 6, 8, ... are even.
If the ones place is odd, the number is odd. If the ones place is even, the
number is even.

Conditions of Digits in Each Place Value

The characteristics of the digits in each place value are important when
finding numbers that satisfy conditions.

The hundreds place is 4-0=4 greater than the tens place.

409 The sum of the hundreds and ones place is 4+9=13.
The ones place is greater than the hundreds place and the

hundreds place is greater than the tens place.

The sum of all the digits is 4+0+9=13.

EExxpplloorree Write all the 2-digit numbers using two of the number cards
2, 3, 4.

The numbers made using the odd Tens Ones 23
number 3 in the ones place, 23 and 43, 2 3 43
are odd. 4 3

The numbers made using the even Tens Ones 24
2 32
number 2 or 4 in the ones place, 24, 3 4 34
32, 34, and 42, are even. 2 42
4
4 2

90 NUMINO Challenge M1
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