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Integers

Integers

Integers are used to count objects.

An integer is another name for a whole number.

Integers greater than zero are positive numbers. Integers less than zero are negative numbers.

Zero is an integer.

The times table consists of integers. Numbers 3, 11, 45 and 136 are all integers.

A number with a decimal point is not an integer, even if there is a zero after the decimal point.

Example 1

Which of these are integers?

45.66, 3, 3`frac(1)(3)`, 47, 1001.1

45.66 and 1001.1 are decimal numbers.

3`frac(1)(3)` is a fraction.

Answer: 3 and 47

Example 2

What is the next integer after 33`frac(1)(2)`?

The number is between 33 and 34.

The next integer is 34.

Answer: 34