Lesson: Mental Multiplication Mathematics • 4th Grade

In this lesson, we will learn how to use different strategies to mentally multiply by one-digit numbers.

Lesson Plan

Students will be able to

multiply a two-digit number by a one-digit number using compensation,
multiply a two-digit number by a one-digit number by breaking apart the numbers,
use known facts to mentally multiply a two-digit number by a one-digit number,
choose an appropriate strategy to multiply numbers mentally.

Q1:

Using the distributive property, solve mentally.

Q2:

Calculate .

Q3:

Use the properties of real numbers to evaluate mentally.