Multiply Fractions and Make Comparisons

True or False: You must have common denominators to multiply fractions.

• True

• False

True or False: To multiply fractions, you first multiply the numerators, then multiply the denominators.

• True

• False

True or False: When multiplying fractions, you must turn all mixed numbers into improper fractions before multiplying.

• True

• False

When multiplying a fraction by a whole number, how do I turn the whole number into a fraction before I can multiply?

• Put the whole number under a 1. Ex. 2 becomes 1/2

• Put the whole number over a 1. Ex. 2 becomes 2/1

• Put the whole number over itself. Ex. 2 becomes 2/2

• You do not need to turn a whole number into a fraction.

True or False: The formula for finding the area of a rectangle is L x W.

• True

• False

Tell whether the product of the following problem will be greater than or less than the whole number.

4 x 3/5 =

• Greater

• Less

Tell whether the product of the following problem will be greater than or less than the whole number.

7 x 8/3 =

• Greater

• Less

Tell whether the product of the following problem will be greater than or less than the whole number.

2 x 5/2 =

• Greater

• Less

Tell whether the product of the following problem will be greater than or less than the whole number.

5 x 2/3 =

• Greater

• Less

2/3 x 5/6 =

• 7/9

• 10/9

• 5/9

• 1/2