PBS
Pbs Learning Media: Several Short Rails Make More Than a Whole
In this video segment from Cyberchase, Hacker has sabotaged another section of the Madre Bonita Express track; Digit gets help from Deci in adding decimals to find the right size rail that will repair the track.
Better Lesson
Better Lesson: Adding, Subtracting, and Understanding Decimals
Learners learn how to properly add and subtract decimal quantities.
AAA Math
Aaa Math: Addition of Decimal Tenths
Students can practice adding decimal numbers in the tenths place through a series of self-check exercises and timed learning games.
Fun Brain
Fun Brain: Power Football (Decimal Game)
Four levels of play, from easy to super brain, challenge students to add, subtract, multiply, and divide decimals. Get three correct answers in a row and score a field goal.
PBS
Pbs Learning Media: How Far to Wells Road?
In this Cyberchase video segment, Bianca drives to visit her friend, but learns that she has incorrectly added decimal amounts, so she ends up at the wrong location.
Better Lesson
Better Lesson: College Project Wrap Up
What have students learned about college? What questions do they still have? Students work on wrapping up and reflecting on the College Project while tackling math problems. This lesson includes a detailed plan, printable worksheets,...
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....
Other
Teachers on the Web: A Maths Dictionary for Kids
On this site from Aussie School House Teachers on the Web, an Australian K-6 teacher defines and illustrates more than 500 mathematical terms. It is a wonderful dictionary featuring clear and often interactive graphics, great colors, and...
Shodor Education Foundation
Shodor Interactivate: Fraction Quiz
This activity allows the student to practice simplifying, converting, and multiplying decimals, percentages, and fractions. There are 3 levels of difficulty and the time limit may be set from no limit to 60 seconds. Additional...
Illustrative Mathematics
Illustrative Mathematics: N Rn Sums of Rational and Irrational Numbers
The goal of this task is to examine sums and products of rational and irrational numbers. One important property of rational numbers is that their decimals always terminate or repeat: using a slightly different formulation, a rational...
Arcademics
Arcademics: Hungry Puppies
Have your puppy choose the two decimals that will make the given sum when added together.
CK-12 Foundation
Ck 12: Math Grade 4
Browse resources related to fourth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Math Fact Cafe
Math Fact Cafe
This site provides math fact sheets and flashcards for parents and teachers. Access hundreds of pre-generated math sheets, or create custom sheets to meet your own special needs.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Addition
[Free Registration/Login may be required to access all resource tools.] Find sums of decimals by adding vertically.
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