Lesson: Multiplying a Two-Digit Number by a Multiple of 10 Mathematics • 4th Grade

In this lesson, we will learn how to multiply two-digit numbers by multiples of 10.

Lesson Plan

Students will be able to

use models to multiply a two-digit number by a multiple of 10,
decompose two-digit numbers to multiple by a multiple of 10,
use properties of multiplication to multiply a two-digit number by a multiple of 10.

Q1:

A girl has 10 stamp albums. If each album contains 264 stamps, how many stamps does she have?

Q2:

It takes 30 minutes for a car to be cleaned at a carwash. How many minutes does it take to clean 23 cars?

Q3:

You are told that . Use this to find .