Lesson: Multiplying Two-Digit Numbers: The Column Method Mathematics • 4th Grade

In this lesson, we will learn how to use the standard algorithm to multiply a two-digit number by another two-digit number and regroup when necessary.

Lesson Plan

Students will be able to

use the standard long multiplication algorithm to multiply a two-digit number by a two-digit number,
find missing numbers in partially complete solutions,
identify errors in solutions.

Lesson Video

Sample Question Videos

04:50
04:40
02:12

Lesson Worksheet

Q1:

The standard algorithm is a quick way to solve multiplication calculations. Which of the following is the correct start of the standard algorithm for ?

Q2:

Write the missing digits to complete the standard algorithm.

Q3:

A jaguar sleeps for about 77 hours in a week. How many hours of sleep would a jaguar get in 12 weeks?