Other
Active Maths Limited: Decimal Number Lines: Whiteboard Resources
This is an excellent resource for teaching and learning about decimals. Three different interactive number lines help students visualize units in tenths and hundredths and decimals.
Massachusetts Institute of Technology
Mit: Scratch: Decimals and Fractions on the Number Line
The interactive activity has students place decimals and fractions on the correct place on a number line.
OER Commons
Oer Commons: Understanding Fractions & Decimals
Seventh graders use number lines to solve addition and subtraction problems involving positive and negative fractions and decimals.
Khan Academy
Khan Academy: Rounding Decimals Using a Number Line
In this exercise, students practice rounding decimals using a number line. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Round Decimals Using a Number Line
Practice using a number line to round decimal numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Decimals on the Number Line: Tenths
Practice finding decimal numbers on the number line. Decimals are limited to tenths in these problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Decimals on the Number Line: Hundredths
Practice finding decimal numbers on the number line. Decimals are limited to hundredths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Subtracting Whole Numbers and Decimals
If you are looking for a website that explains and defines subtraction with decimals you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Rounding on a Number Line
[Free Registration/Login may be required to access all resource tools.] Round decimals using a number line.
Khan Academy
Khan Academy: Round Decimals Challenge
Round decimals using number lines. Select numbers that round to a given value. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Decimals on the Number Line 3
In this exercise, students practice finding decimals on a number line. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Texas Instruments
Texas Instruments: Comparing Decimals Wider Isn't Always Larger
In this activity, students learn to compare and order decimals. They learn to measure decimals by using the Number Line application.
Other
Active Maths Limited: Fractions, Decimals & Percentages
Here are two excellent, interactive, teaching resources that visually demonstrate equivalent fractions, decimals and percentages.
CK-12 Foundation
Ck 12: Elem Math: Identifying Decimals on a Number Line to Thousandths
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to state the decimals to the thousandths place for given locations on a number line. Includes video demonstrating a...
CK-12 Foundation
Ck 12: Elem Math: Identifying Decimals on a Number Line to Hundredths
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to state the decimals to the hundredths place for given locations on a number line. Includes video demonstrating a...
CK-12 Foundation
Ck 12: Elem Math: Identifying Decimals on a Number Line to Tenths
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to state the decimals to the tenths place for given locations on a number line. Includes video demonstrating a sample...
Cool Math
Coolmath: Decimals How to Add Decimals
Learn how to add decimals by lining up the decimals.
CK-12 Foundation
Ck 12: Positive and Negative Fraction and Decimal Comparison Grade 6
[Free Registration/Login may be required to access all resource tools.] Compare and order positive and negative fractions and decimals.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Add and Subtract Decimals
Find a quick, concise explanation of how to add and subtract decimals. Step by step examples are included to help you understand how to line up the decimals points and then find the sum or difference.
PBS
Pbs Learning Media: Logical Leaps: Fractions, Mixed Numbers, and Decimals on the Number Line
In this interactive, students use logic to solve three riddles involving a frog jumping contest and then place the contestants' jumps at the correct points on the number line. Numbers are randomized so that the frogs' placements on the...
PBS
Pbs Learning Media: Logical Leaps: Fractions and Decimals From 0 to 1 on the Vertical Number Line
In this interactive, use logic to solve riddles involving a flea-jumping contest. Place each contestant's jump, represented by either a fraction or a decimal in both feet and inches, at the correct point on the vertical number line....
Alabama Learning Exchange
Alex: Carlos the Centipede Is Subtracting Decimals!
In this lesson, students will work in collaborative/cooperative groups to understand subtracting decimals. Students will use decimal grids to represent the difference of decimals. Emphasis is on using place-value, lining up the decimals...
Alabama Learning Exchange
Alex: Carlos the Centipede Is Adding Decimals!
In this lesson, students will work in collaborative/cooperative groups to understand adding decimals. Students will use decimal grids to represent the sum of decimals. Emphasis is on using place-value, lining up the decimals and bringing...
ClassFlow
Class Flow: Fractions Decimals
[Free Registration/Login Required] The teacher will use this lesson plan to review fractions and decimals using a number line.