Lesson 4 Multiplication Practice
Let’s practice multiplication.
Warm-up Number Talk: Factors Over Ten
Find the value of each expression mentally.
Activity 1 Card Sort: Multiplication
Take turns sorting the multiplication expressions into one of these groups:
know it right away
can find it quickly
don’t know it yet
Multiplication expressions I’m going to practice:
Activity 2 Introduce Find the Number: Factors
We are going to play a game called Find the Number.
Practice Problem
Problem 1
Calculate the area of each rectangle.
How did you use multiplication facts to calculate the areas?