Microlesson: Multiplying Fractions

What is the algorithm for multiplying fractions?

• Cross Multiply

• Multiply straight across - numerators together and denominators together

• Get a common denominator

A notepad is ¾ of an inch thick. If 8 notepads are stacked on top of each other, how tall will the pile of notepads be?

• 6 inches

• 8 ¾ inches

• 10 ⅔ inches

• 24 inches

Tim has 32 songs on his phone. Three-eighths of those songs are by Chance the Rapper. How many Chance songs does Tim have on his phone?

• 12 songs

• 15 songs

• 9 songs

• 18 songs

• 28 miles

• 25⅓ miles

• 26½ miles

• 26⅜ miles

Mathematical Equivalence

ON

Mathematical Equivalence

OFF

Mathematical Equivalence

ON

Mathematical Equivalence

ON

After this lesson, you should be able to multiply fractions without a model. Rate your level of understanding of this learning target from 1-4 based on this scale:

1 - I do not understand this at all

2 - I understand this a little but I need some help

3 - I understand this. I could can do it by myself

4 - I understand this and could teach it to someone else

• 1

• 2

• 3

• 4