Students will work to solve an open-ended multiplicative comparison task. They can use manipulatives as a hands-on introduction to the topic. They will need to write equations and solve a word problem involving multiplicative comparison.
Students will take a deeper dive into word problems to gain a firm understanding of multiplicative comparison. They will compare problems using additive vs. multiplicative comparisons and problems where either the set or the product is unknown. The activity also includes a matching game for students to match equations, models, and comparison statements.
In this resource from Bridges in Mathematics, students use a picture of a giant's doorway to solve multiplicative comparison problems. They have to write an equation and find the answer using appropriate units. A challenge problem includes a fractional scale factor.
This Google Slide Show activates student thinking about comparing quantities. The slides help students understand the wording for comparing quantities multiplicatively.
This activity results from the ALEX Resource Development Summit.
Students will use data from a table to make multiplicative comparison statements of the data. This activity allows multiple practice opportunities.
This activity is a way to assess students' understanding of multiplicative comparison. In this activity, students must draw a picture, write a multiplicative comparison statement, and write a multiplication equation.
Module 3, Topic D gives students the opportunity to apply their new multiplication skills (4.NBT.5). In Lesson 12, students extend their work with multiplicative comparison from Topic A to solve real-world problems (4.OA.2). As shown on the next page, students use a combination of addition, subtraction, and multiplication to solve multi-step problems in Lesson 13 (4.OA.3).
