In a previous resource, you generated a list of clue words that indicated certain operations.

Use the interactive below to review those clue words. Click on the operation symbol to see the clue words.

Interactive exercise. Assistance may be required.

Often, you will encounter a problem situation that includes more than one operation. Clue words can help you identify the operations that you need to perform, as well as provide guidance on the order in which you should perform them.

Read each problem in the interactive below. Drag the tile containing the operations you will need to perform in order to solve the problem onto the slot at the bottom of each problem. If you are successful, the operations will stick and a chalkboard will appear.

Click on the dropdown to choose the correct expression you need to use to solve the problem. Next, click on the chalkboard to see the expression. Click the next button to proceed to the other problems.

Interactive exercise. Assistance may be required.

As you saw in the previous section, the acronym PEMDAS tells you the order of operations once you know the expression. How does a problem situation tell you which order you need to perform the operations?

Interactive popup. Assistance may be required.

Need a Hint?

For each problem, in what order do the actions occur? Close Pop Up

Interactive popup. Assistance may be required.

Check Your Answer

The order of the actions in a situation tells you which operations should be done first. Close Pop Up

How do parentheses help you to write an expression to ensure that the correct order of operations is followed?

Interactive popup. Assistance may be required.

Need a Hint?

What do each of the letters in PEMDAS stand for? Close Pop Up

Interactive popup. Assistance may be required.

Check Your Answer

Operations contained in parentheses must be done first. Parentheses are grouping symbols that help guide correct expressions when interpreting word problems. Close Pop Up