Curated Video
Add and Subtract Decimals Review
Add and Subtract Decimals Review demonstates how to add and subtract decimals using place value and estimation.
Curated Video
From Counting Cans to Feeding Families: The Math of a Food Pantry
Join us on an exciting trip to People In Need food pantry in Delaware County, Ohio! We'll go behind the scenes to see how they use math every day to help families in their community. From counting items to ensure families receive the...
Curated OER
How Do You Add Decimals?
Need a review for adding decimals? Make sure to line up the decimals, write in zeros for placeholders, add the numbers, and bring down the decimal. There you have it.
Curated OER
How Do You Add Decimals?
Need a review for adding decimals? Make sure to line up the decimals, write in zeros for placeholders, add the numbers, bring down the decimal. There you have it.
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Estimation With Decimals
This video shows how to estimate decimal addition in the context of a word problem. Practice problems are available. [3:01]
Khan Academy
Khan Academy: Estimating Decimal Addition
Estimate to find reasonable solutions to addition division problems.
Khan Academy
Khan Academy: Estimating and Rounding With Decimals: Estimation With Decimals
This video shows how to estimate decimal addition in the context of a word problem.