Unit 3: Place Value & Decimals
Whole Number & Decimal Place Value
OpenED: Reading & Writing Decimals
OpenED: How to Read Decimals
OpenED: Compare Decimals
Khan: Writing Decimals to Thousandths Place
Khan: Comparing Decimals to the Thousandths Place
LearnZillion: Read and write decimals to the thousandths place in words and numbers using a place value chart
Adding & Subtracting Decimals
OpenED: Adding & Subtracting Decimals
OpenED: Adding Decimals Using Place Value Model
Khan: Adding & Subtracting Decimals Word Problem
LearnZillion: Add decimals using base ten blocks
LearnZillion: Add and subtract decimals using the standard algorithm
Rounding Decimals
OpenED: Rounding Decimals
OpenEd: Rounding Decimal Word Problem
Khan: Rounding Decimals
LearnZillion: Daniel's Race: Rounding decimals
LearnZillion: Rounding decimals to the nearest hundredth or thousandth
Division & the Area ModelÂ
Khan: Multiplying Decimals
Khan: Divide Decimals with Hundredths
LearnZillion: Multiply and divide decimals using the standard algorithm