# 3.1: Balance the Pans

**At Grade**Created by: CK-12

You have lots of these boxes. If you wanted to make the pans balance, which boxes will you use? Can you solve this problem in more than one way?

### Balance the Pans

In order to balance pans like the one above, use the problem solving steps to help you.

- First,
**describe**what you see and what information you are given. - Next, identify what
**your job**is and what you are trying to solve. In all of these problems, your job will be to figure out which boxes to put in the pan. You want to make sure that the weight of each pan is the same. - Third, make a
**plan**for how you will solve. - Fourth,
**solve**the problem. - Last,
**check**your answer by making sure that the combinations of boxes you found add up to the amount that you needed.

For the problem above, since the right side weighs 9 pounds, you want to make sure the left side will also weigh 9 pounds.

1. You have lots of these boxes.

Put boxes in the empty pan.

Make the pans balance.

Which boxes will you use?

Can you do it another way?

We will use the problem solving steps to solve this problem.

2. You have lots of these boxes.

Put boxes in the empty pan.

Make the pans balance.

Which boxes will you use?

Can you do it another way?

We will use the problem solving steps to solve this problem.

#### Earlier Problem Revisited

We can use the problem solving steps to help us solve this problem.

### Vocabulary

To be ** equal** means to be the same. In this concept, we are trying to make weights equal. This means we are trying to make each side of the pan balance have the same weight.

### Examples

For each problem below, use the problem solving steps. Your job is to put boxes in the empty pan to make the pans balance. Can you solve the problem in more than one way?

#### Example 1

#### Example 2

#### Example 2

### Review

For each problem below, use the problem solving steps. Your job is to put boxes in the empty pan to make the pans balance. Can you solve the problem in more than one way?

### Notes/Highlights Having trouble? Report an issue.

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### Image Attributions

Students add single digit numbers to determine the boxes that can be placed in an empty pan to balance the pans. Students will use problem solving steps to complete these problems.

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