Khan Academy
Khan Academy: Decimal Place Value
Sal Khan introduces decimal numbers and understanding place value to the right of the decimal.
Khan Academy
Khan Academy: Relating Decimals and Fractions in Words
Sal Khan relates equivalent decimals and fractions written in word form.
Khan Academy
Khan Academy: Plotting Decimal Numbers on a Number Line
Sal Khan finds decimals with hundredths on a number line.
Khan Academy
Khan Academy: Decimal Place Value With Regrouping
Sal Khan discusses decimal numbers that are greater than 1.
Khan Academy
Khan Academy: Identifying Hundredths on a Number Line
The teacher identifies decimals graphed on a number line.
Khan Academy
Khan Academy: Decimals as Words
Sal Khan writes 0.17 and 40.03 in words. He also writes twenty-four hundredths using numbers.
Khan Academy
Khan Academy: Writing a Number as a Fraction and Decimal
Sal Khan shows the connection between decimals and fractions using a grid diagram and number lines.
Khan Academy
Khan Academy: Quotients That Are Multiples of 10
Lindsay breaks down division problems using multiples of 10.
Khan Academy
Khan Academy: Rewriting Decimals as Fractions: 2.75
Here's an example of how Sal Khan converts a decimal to a simplified fraction.
Khan Academy
Khan Academy: Writing Decimals and Fractions Greater Than 1 Shown on Grids
Sal writes decimal numbers and fractions greater than 1 shown on grids. Decimals are limited to tenths and hundredths.
Khan Academy
Khan Academy: Subtracting Mixed Numbers With Like Denominators
Demonstrates how to subtract two mixed numbers, where the fractions have the same denominator, by subtracting the whole numbers and then the fractions. [2:30]
Shmoop University
Shmoop: Reducing Fractions
This animation [2:59] features the mathematical concept of reducing fractions and how to perform the calculation.
Imagine Learning Classroom
Learn Zillion: Add Fractions With Tenths and Hundredths Denominators
This video explains how to add fractions with the unlike denominators of 10 and 100. [3:13]