Words to Know

Question

Write the letter of the definition next to the matching word as you work through the lesson. You may use the glossary to help you.
operation

compare

place value

inverse operation

A. to explain or show the similarities or differences between items or ideas

B. an action or process such as addition or subtraction

C. an operation that creates the reverse effect of another operation

D. the value of where a digit is located in a number

Answer 1

Here are the letters for the definitions matched with the words:

• operation: B. an action or process such as addition or subtraction
• compare: A. to explain or show the similarities or differences between items or ideas
• place value: D. the value of where a digit is located in a number
• inverse operation: C. an operation that creates the reverse effect of another operation