# Multiplication and Division Relationship

Examples, solutions, and videos to help Grade 3 students learn how to model the relationship between multiplication and division.

Common Core Standards: 3.OA.5, 3.OA.7, 3.OA.1, 3.OA.2, 3.OA.3, 3.OA.4, 3.OA.6

New York State Common Core Math Grade 3, Module 1, Lesson 17

Explain how number bonds and tape diagrams can be used to model the relationship between multiplication and division.

Lesson 17 Concept Development

Problem 1: Use the number bond to relate multiplication and division.
Problem 2: Solve word problems to illustrate the relationship between multiplication and division.

Lesson 17 Homework

1. Use the array to complete the related number sentences.
1 × 4 = ______
______ ÷ 4 = 1

2 × 4 = __
______ ÷ 4 = 2

____ × 4 = 12
12 ÷ 4 =
2. The teacher puts 32 students into groups of 4. How many groups does she make? Draw and label a tape diagram to solve.
3. The store clerk arranges 24 toothbrushes into 4 equal rows. How many toothbrushes are in each row?
4. An art teacher has 40 paint brushes. She divides them equally between her 4 students. She finds 8 more brushes and divides these equally between the students as well. How many brushes does each student receive?

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.