multiplying fraction

You can multiply fractions with different denominators

• True

• False

When you need a fraction of a number, like 1/3 of 9, how do you find out how much you need?

• You add the fraction to the number

• You subtract the fraction from the number

• You divide the number by the fraction

• You multiply the number by the fraction

How do you multiply 1/3 x 4/5?

• (1⋅ 4)/( 2⋅ 5)

• (1⋅ 4)/( 3 ⋅ 5)

• (3⋅ 4)/( 1 ⋅ 5)

• (3⋅ 5)/( 1 ⋅ 4)

What is 1/4 ⋅ 1/4

• 2/8

• 1/16

• 1/2

• 1

What is 3/5 of 15

• 9

• 1/9

• 25

• 1/25

You're cooking a recipe that requires 3/5 cup of flour, but you only want to make 1/3 of the recipe. Which answer shows the correct amount of flour you need in the most reduce form?

• 1/5

• 5

• 5/9

• 9/5

144 students enter a spelling bee, but only 1/6 of the group will make into the semi-final round, and only 2/3 that group will make into the final round. How many students will enter the final round of the spelling bee?

• 8

• 16

• 24

• 36

You plan to run 2 miles, but you only make it 3/4 of the way. How many miles did you run in total?

• 3/2 miles

• 2/3 miles

• 3/8 miles

• 6/8 miles