Lesson: Word Problems: Comparison Problems Mathematics • 4th Grade

In this lesson, we will learn how to solve additive and multiplicative comparison problems by drawing a bar model to help us choose the correct operation.

Lesson Plan

Students will be able to

use multiplication and addition to solve one-step comparison problems,
draw bar models to decide which operation to use,
identify the words in the problem that help us decide which operation to use,
write equations to represent the problem,
solve two-step comparison problems.

Lesson Video

Lesson Worksheet

Q1:

Select the problem that can be solved by the addition equation .

Q2:

Questions which tell you how much more (or less) one amount is compared to another are additive comparison problems.

Which of the following is an additive comparison problem?

Q3:

Jacob started training to join the basketball team. In the first week, he scored a total of 23 baskets. In the second week, he scored 12 more baskets than in the first week.

Should I add or multiply to find the number of baskets he scored in the second week?

Why?