Wilson's U5 Review: All Operations - Integers & Rational Numbers

Front

What is the opposite of -9?

Back

9

Front

3/9 x 3/4 in simplest form is?

Back

1/4

Front

Sophie uses 18 beads to make a necklace. 3/6 of the beads are purple. How many beads are purple?

Back

9

Front

Find the absolute value of -18.

Back

18

Front

What is the reciprocal of 5?

Back

1/5

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

Front

How do you add integers with different signs?

Back

Subtract the smaller absolute value from the larger absolute value and take the sign of the number with the larger absolute value.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

How do you multiply fractions?

Back

Multiply the numerators together and multiply the denominators together.