Page 29 - Touchpad Mathematics_Ver1.0_C4

EVEN AND oDD NUMbErS

Even Numbers

All the numbers that can be put into pairs are called Even numbers.

Here are 6 oranges which have been kept in pairs. So, 6 is an even number.

Tips

All the numbers that have 2,
4, 6, 8 or 0 in the ones place
are even numbers.

For example, 58, 124, 520,
3006, etc. are even numbers.
odd Numbers

The numbers that cannot be put into pairs are called Odd numbers.
Here are 7 oranges; out of them, 6 have been kept in pairs and 1 orange is left
unpaired. It means 7 cannot be put into pairs. So, 7 is an odd number.

Tips

All the numbers that have
1, 3, 5, 7 or 9 in the ones
place are odd numbers.

For example, 29, 343, 695,
827, etc. are odd numbers.

Exercise 1F

1. Write the predecessor of the following:

a. 586 b. 1973 c. 2014

d. 2978 e. 7364 f. 8000

2. Write the successor of the following:

a. 379 b. 1048 c. 2756

d. 5000 e. 4039 f. 8369

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Numbers