# Section B: Practice Problems From Graphs to Multiplication

## Section Summary

## Details

In this section, we learned about equal groups. We created drawings and diagrams to represent situations that involve equal groups.

situation

Diego has 8 piles of socks. Each pile of socks has 2 socks.

drawing

diagram

We wrote multiplication expressions and equations to represent equal groups.

expression

equation

We learned that the numbers that are multiplied are called **factors** and the number that is the result of multiplying is called a **product**. In the equation

## Problem 1 (Lesson 9)

There are 6 tennis courts. There are 2 players on each tennis court.

Create a drawing or diagram to represent the tennis players. Then, find out how many players are on the tennis courts. Explain or show your reasoning.

## Problem 2 (Lesson 10)

The picture graph shows the favorite colors of some students.

Match each diagram or drawing to the number of people who like each color.

red

blue

purple

yellow

## Problem 3 (Lesson 11)

Create a drawing or diagram to represent the expression

## Problem 4 (Lesson 12)

There are 4 stacks of books on the table. Each stack has 5 books. How many books are on the table? Explain or show your reasoning.

## Problem 5 (Lesson 13)

There are 6 basketball teams in the gym. There are 5 people on each team. How many people are on the basketball teams in the gym?

Write an equation with a symbol for the unknown to represent the situation.

Find the number that makes the equation true. Show your reasoning.

## Problem 6 (Lesson 14)

Write an equation for the situation. Use a ? for the unknown. Find the number that makes the equation true.

There are 4 soccer teams. Each soccer team has 10 players. How many players are there altogether?

## Problem 7 (Lesson 15)

Solve each problem. Explain or show your reasoning.

There are 6 flowers. Each flower has 5 petals. How many petals are there?

There are 50 petals on some flowers. Each flower has 5 petals. How many flowers are there?

## Problem 8 (Exploration)

Write an expression for the number of circles in the image. Then, find the number of circles.

## Problem 9 (Exploration)

For each image, determine if there is an even or odd number of circles. Explain or show your reasoning.

## Problem 10 (Exploration)

Look in your classroom, school, home, or outdoors to find some equal groups of objects.

Describe the objects.

Create a drawing to represent the objects.

Write an equation showing how many objects there are.