Illustrative Mathematics
Illustrative Mathematics: 4.nf Using Place Value
Each part of this task highlights a slightly different aspect of place value as it relates to decimal notation. More than simply being comfortable with decimal notation, the point is for students to be able to move fluidly between and...
CK-12 Foundation
Ck 12: Arithmetic: Numbers With Decimal Place Value Grade 6
[Free Registration/Login may be required to access all resource tools.] Understand and express decimals.
Illustrative Mathematics
Illustrative Mathematics: 6.ns Multiplication, Division and Place Value, Part 2
Sixth graders are asked to examine equations involving decimal numbers and to place the decimal point in the answers so that the equations are accurate, and to explain their reasoning. Aligns with 6.NS.B.3.
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.
Quia
Quia: Decimal and Whole Number Jeopardy
You can use this web site to compare and round numbers and to also practice rounding whole numbers and decimals. You can just play by yourself or with another player! See how many points you can get.
Math Is Fun
Math Is Fun: Decimals
A good introduction to decimals, which includes a definition of place value and several examples of decimal numbers. Follow links at the bottom of this page to access decimal worksheets as well as information on rounding numbers, adding...
CK-12 Foundation
Ck 12: Elem Math: Maximum or Minimum Possible Value of a Rounded Decimal
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are told the number of digits after a decimal point and the decimal's value when rounded. They must identify the maximum and the...
AAA Math
Aaa Math: Decimals Ten Thousandths
This lesson explains how to identify decimals of the ten-thousandths place value. Includes games to practice this skill.
AAA Math
Aaa Math: Tenths as Decimals
This site explains how to identify tenths place value. Includes games to practice this skill.
AAA Math
Aaa Math: Hundredths as Decimals
This tutorial explains how to identify hundredths place value. Gives problems and games to practice this skill.
AAA Math
Aaa Math: Thousandths as Decimals
This site explains how to identify the thousandths place value. Includes games to practice this skill.
CK-12 Foundation
Ck 12: Arithmetic: Decimals in Words
[Free Registration/Login may be required to access all resource tools.] Understand how to read and write decimals to the ten-thousandths place.
Lesson Tutor
Lesson Tutor: An Introduction to Decimals
A complete introduction to the decimal system is provided here. Topics included in the discussion/lesson plan are: the meaning of and need for decimals, a place value chart, tips to help remember how and when to move the decimal point,...
Khan Academy
Khan Academy: Multiplying and Dividing by Powers of 10
In this exercise, students practice multiplying and dividing by powers of 10. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Houghton Mifflin Harcourt
Houghton Mifflin Harcourt: Saxon Activity Center: Graphing Calculator Activity: The Coordinate Plane [Pdf]
A graphing calculator lesson on coordinate planes. Detailed examples, demonstrations with key functions, and practice problems included. Acrobat Reader required.