Grade 7 - maths mid term review- Integers

Front

Define an integer.

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction or ratio of two integers, where the denominator is not zero.

Front

Is every integer a whole number?

Back

No, not every integer is a whole number. Whole numbers are non-negative integers (0, 1, 2, 3, ...), while integers include negative numbers.

Front

What is the result of 8 * (-5)?

Back

-40

Front

What is the result of (-4) + 8?

Back

4

Front

What is the result of -4 + (-9)?

Back

-13

Front

What is the result of 6 - (-2)?

Back

8

Front

What is the relationship between whole numbers and rational numbers?

Back

Every whole number is a rational number because it can be expressed as a fraction with a denominator of 1.

Front

What does it mean to subtract a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the sum of two negative integers?

Back

The sum of two negative integers is always a negative integer.