# Lesson 8 Relate Quotients to Familiar Products

Let’s consider the products and quotients we know right away or can find quickly.

## Warm-up Number Talk: Multiplication and Division

Find the value of each expression mentally.

## Activity 1 Card Sort: Multiplication

Quiz your partner on their multiplication facts. Sort your partner’s facts into one of these columns:

know it right away

can find it quickly

don’t know it yet

Multiplication expressions I’m going to practice:

## Activity 2 If I Know, Then I Know

If I know

Set the multiplication fact cards in a stack face down.

Take turns drawing a multiplication fact card.

Use the multiplication fact on the card to record a multiplication equation in the “If I know …” column.

Then, record related division equations in the “Then I know …” column.

If I know … | then I know … |
---|---|

If I know … | then I know … |
---|---|

## Practice Problem

## Problem 1

For each multiplication equation, write a related division fact you know from the multiplication equation.