Khan Academy
Khan Academy: Multiplying and Dividing Decimals by 10, 100, 1000
Learn about the patterns that develop when multiplying and dividing decimals by 10, 100, and 1000.
Khan Academy
Khan Academy: Multiplying and Dividing Decimals by 10
Learn to multiply and divide decimals by 10 using fraction and place value understanding.
Khan Academy
Khan Academy: Comparing Decimal Place Values
Sal compares the threes in 7,346,521.032 by considering their place value.
Khan Academy
Khan Academy: Rounding Decimals Word Problems
Sal solves word problems by rounding decimals to the nearest tenth and hundredth.
Khan Academy
Khan Academy: Dividing a Decimal by a Whole Number Example
Dividing a decimal by a whole number.
Khan Academy
Khan Academy: Visually Dividing a Whole Number by a Decimal
Dividing whole numbers by decimals visually.
Khan Academy
Khan Academy: Dividing Whole Numbers by Decimals Examples
Dividing whole numbers by decimals,
Khan Academy
Khan Academy: Expressing Decimals in Multiple Forms
Express decimal numbers in written and expanded forms.
Khan Academy
Khan Academy: Developing Strategies for Multiplying 2 Digit Decimals
Sal uses place value and equivalent mixed numbers to multiply decimals.
Khan Academy
Khan Academy: Rounding Decimals on the Number Line
Use number lines to round decimals to the nearest tenth, hundredth, or thousandth.
Khan Academy
Khan Academy: Worked Example: Rounding Decimals to Nearest Tenth
Learn to round 9.564 to the nearest tenth.
Khan Academy
Khan Academy: Decimals in Written Form (Thousandths)
Learn to write 20,000.507 using words.
Khan Academy
Khan Academy: Place Value With Decimals
Sal uses an understanding of place value to introduce decimals place values.
Khan Academy
Khan Academy: Ordering Decimals Through Thousandths
Sal orders four decimals with digits through the thousandths.
Khan Academy
Khan Academy: Comparing Decimals Word Problems
Sal solves word problems that involve comparing decimals.
Khan Academy
Khan Academy: Regrouping With Decimals: 21.3
Sal regroups 21.3 into various addition problems.
Khan Academy
Khan Academy: Introduction to Adding Decimals: Tenths
Sal adds tenths, like 0.1+0.8 using visuals and place value.
Khan Academy
Khan Academy: Estimating Decimal Addition
Estimate to find reasonable solutions to addition division problems.
Khan Academy
Khan Academy: Adding Decimals With Ones and Tenths Parts
Sal uses an understanding of place value to add decimals, such as 4+5.7.
Khan Academy
Khan Academy: Adding Decimals With Hundredths
Sal uses an understanding of place value to add decimals, such as 0.68+0.33.
Khan Academy
Khan Academy: Adding Decimals With Ones, Tenths and Hundredths
Sal adds numbers, such as 3.53+4.72, by breaking them down into place values.