CK-12 Foundation
Ck 12: Arithmetic: Decimals
[Free Registration/Login may be required to access all resource tools.] Use number properties in decimal operations
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.
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....
Khan Academy
Khan Academy: Adding & Subtracting Decimals Word Problems
Practice solving word problems by adding or subtracting decimal numbers.
Khan Academy
Khan Academy: Adding Decimals: Thousandths
Practice adding two numbers that are written to the tenths, hundredths, or thousandths place.
Khan Academy
Khan Academy: Adding Decimals: Hundredths
Add two numbers that are written to the ones, tenths, or hundredths place.
CK-12 Foundation
Ck 12: Arithmetic: Properties in Decimal Operations
[Free Registration/Login may be required to access all resource tools.] In this lesson students understand and identify the associative and commutative properties of addition. Students examine guided notes, review guided practice, watch...
That Quiz
That Quiz: Fracciones Y Decimales
These interactives are designed for the student to practice addition, subtraction, multiplication, and division of fractions and decimals.
Application Magazine
Aplicaciones: Suma De Decimales
This is a self-assessment of addition of decimals. Final score will be given at the end of each section.
Other
Mathpower: Math Fundamental Assignments
Math variety of concepts, this colorful website is sure to give your students the chance show what they know. Concepts covered include rounding, division with decimals, order of operations, ratio, percent, multiplication, and division of...
Khan Academy
Khan Academy: Practice: Adding Decimals: Thousandths
Practice adding two decimal numbers from the tenths to the thousandths place.
Shmoop University
Shmoop: Fractions & Decimals: Adding and Subtractions Fractions
The mathematics resource explores adding and subtraction fractions. Students examine the topics through class notes and examples. Practice problems with solutions are available to check for comprehension of the concepts.
Khan Academy
Khan Academy: Adding & Subtracting Rational Numbers
Practice adding and subtracting negative fractions, decimals, and percents. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Math Grade 2
Browse resources related to second-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Other
Dan's Math: Basic Skills Topics
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
Other
Kid's Page Archive: Free Printable Math Worksheets
Great source for math worksheets on all four whole number operations, fractions, and miscellaneous arithmetic topics. Could be used to assess basic arithmetic skills for areas that need remediation.
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...
CK-12 Foundation
Ck 12: Math Grade 3
Browse resources related to third-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
PBS
Pbs Learning Media: Math + Arts: Jack & the Giants: Jack Spends His Pay
For this lesson, students will create and solve word problems involving money (addition, subtraction, multiplication, and division of decimals), and develop a script for a short scene and perform it using the elements of performance....
Primary Resources
Primary Resources: Follow Me "Loop" Math Games
An extensive collection of premade cards for "loop" games in math. These "I have, Who has?" cards are available for counting on and back, capacity, place value, addition, subtraction, multiplication, division, fractions, decimals, money...
Arcademics
Arcademics: Hungry Puppies
Have your puppy choose the two decimals that will make the given sum when added together.
Texas Instruments
Texas Instruments: Names for 100
Students will use the calculator to carry out operations of addition, subtraction, division, and multiplication on integers, fractions, and decimals to find mathematical expressions that equal 100.
Other
Pep: Hit the Deck: A Collection of Math Games
This is a collection of math games ranging from Kindergarten to the upper elementary grades, using only an ordinary deck of playing cards. There are games covering addition, subtraction, multiplication, division, fractions, percents,...
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Calculo Mental Todo Terreno
Practice your mental math with this application by finding the sum of two: whole numbers, integers, decimals or fractions. You can choose two different levels of difficulty.
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