Understanding addition and subtraction of decimals

Beth worked 33.25 hours last week and 23.75 this week. How many total hours did she work? 

• 40 hrs
• 57 hrs
• 58 hrs

Solve

1.248 - 0.92

• 0.445
• 0.324
• 0.328

The answer to an addition problem.

• product

• difference

• sum

The answer to a subtraction problem.

• sum

• difference

• product

_______ is the inverse operation of subtraction.

• Multiplication

• Addition

• Addification

7.2+9.5=​ (a)  

You got this Greyson House!

• 16.7
• 17.6
• 19.1
• 14.2