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: Decimals on the Number Line: Hundredths 0 0.1
Graph hundredths between 0 and 0.1 on a number line. 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 0 1
Graph tenths between 0 and 1 on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
Better Lesson
Better Lesson: Where Does That Fall on the Number Line?
Where does five-thirds belong on a number line? What about 1.61? Students apply their knowledge of fractions and decimals in order to compare and order fractions and decimals.
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: Negative Decimals on the Number Line
Practice placing positive and negative decimal numbers on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
PBS
Pbs: Who Won?: Comparing Decimals to the Thousandths Place
To figure out who won the race you have to compare their times. This interactive exercise focuses on using what you know about ordering decimals, number lines and rounding to the tenths place and then asks you to think about what numbers...
Homeschool Math
Homeschool Math: Comparing Decimals
This is a complete lesson with video instruction [5:49] and varied exercises about comparing decimals with 1 or 2 decimal digits.
PBS
Pbs: 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...
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.
Illustrative Mathematics
Illustrative Mathematics: 5.nbt Placing Thousandths on the Number Line
This task asks students to order decimal numbers to the thousandths on a number line between 0 and 0.1. Aligns with 5.NBT.A.3.
PBS
Pbs: 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....
PBS
Pbs: Logical Leaps: Adding Fractions, Mixed Numbers, and Decimals on the Number Line
In this interactive, use logic to solve riddles involving a jumping frog contest. Add two consecutive jumps by one frog and place the jumps on the number line, finding equivalent fractions with common denominators to do so. Numbers are...
Alabama Learning Exchange
Alex: Lining Up the Decimals
This lesson provides a chance for the young scholars to order decimals from least to greatest and greatest to least. The numbers are based on a student's ability. This lesson plan was created as a result of the Girls Engaged in Math and...
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.
PBS
Pbs: Logical Leaps: Adding Fractions and Decimals From 0 to 1 on the Vertical Number Line
In this interactive, use logic to solve riddles involving flea circus high jumps. Then, add two consecutive jumps and place them on a vertical number line. This often requires you to find equivalent fractions with common denominators....