Homeschool Math
Homeschool Math: Decimal Place Value: One Decimal Digit
This is a complete lesson with instruction and varied exercises, explaining how the place value system works with decimals that have one decimal digit, and how to write such decimals in expanded form.
Ducksters
Ducksters: Kids Math: Decimals Place Value
Did you know that the position of numbers in relation to the decimal point changes its value? On this site learn about decimals place value.
Study Pad
Splash Learn: Add Decimals Using Models
[Free Registration/Login Required] This fun decimal addition worksheet introduces students to the world of operations with decimal numbers. Fifth graders use models to visualize the addition of numbers in the tenths and hundredths places...
Khan Academy
Khan Academy: Decimals in Words
Practice writing decimal numbers in word form and number form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
PBS
Pbs: Base 60: Babylonian Decimals
Explore a brief history of mathematics in Mesopotamia through the Babylonian Base 60 number system. This video focuses on how a base 60 system does not use fractions or repeating decimals, some of the advantages of a base 60 system, and...
Homeschool Math
Homeschool Math: Multiply and Divide Decimals by 10, 100, and 1000
Lesson includes a video & examples showing the common shortcut for multiplying & dividing decimals by powers of ten. [7:59] Provides exercises and word problems for practice.
AAA Math
Aaa Math: Aaa Math Lessons
AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play"...
Khan Academy
Khan Academy: Compare Decimals Word Problems
Solve word problems by comparing decimals Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Calculator Soup
Calculator Soup: Rounding Numbers Calculator
Rounding calculator teaches how to round numbers up or down to any decimal place. Choose ones to round a number to the nearest dollar. Choose hundredths to round an amount to the nearest cent.