National Council of Teachers of Mathematics
Nctm: Figure This: Body Mass What's Your Index? (Pdf)
If you like tackling formulas, then this math challenge is for you. See if you can calculate Helix's BMI (body mass index) and find out if his health is at risk. A one page NCTM Math Challenges for Families activity that engages learners...
E-learning for Kids
E Learning for Kids: Math: Street Orchestra: Decimals
Students complete interactive activities to explore decimal problems.
Math Slice
Math Slice: Number Sense Math Drills
A group of topics that include counting with pictures to 20, sums to 100, finding the missing number in a sequence, multiplication, expanded and standard form, and basic computation practice with addition, subtraction, multiplication, or...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Figuras Magicas
Interactive fun activities that could be used in the classroom to practice mental math skills.
Math Slice
Math Slice: Math 4 Game
Create four number equations with the eight numbers and four operation symbols you are given to win this challenging game. Immediate feedback given to responses
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Figuras Magicas
In Spanish. This site contains many games for practicing mental numerical calculation of basic operations.
Math Fact Cafe
Math Fact Cafe: Pre Made Arithmetic Worksheets for Fourth Grade
Choose from a list of pre-made arithmetic worksheets designed for fourth graders.
Homeschool Math
Homeschool Math: Prime Factorization
This site contains a free lesson on Prime Factorization in which students learn by doing practice problems.
University of Waterloo (Canada)
University of Waterloo: Order of Operations
A quick game in which students must evaluate an arithmetic expression involving three numbers and any of the four basic operations (addition, subtraction, multiplication, division). Students must be careful to do the operations in the...
University of Cambridge
University of Cambridge: Nrich: Napier's Bones
Use this one page website to learn how to multiply and divide a "new" way. This method was invented over 400 years ago by John Napier. A detailed explanation is only a click away.
Mangahigh
Mangahigh: Ice, Ice, Maybe: Fast Estimation With Basic Number Calculations
Practice your arithmetic skills as you estimate the answer to questions involving addition, subtraction, multiplication, and division. Includes whole numbers, fractions, and percents. As you answer questions, you guide penguins across an...
Fun Brain
Fun Brain: Power Football
In this game you can play football while solving math problems. Students can choose from Addition, Subtraction, Multiplication, Division, or All; there are 4 levels of play to choose from and they can choose algebra style or regular math.
Khan Academy
Khan Academy: Understanding Moving the Decimal
Give the number of tens a number is being multiplied or divided by when the decimal is moved to the left or right. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Study Pad
Splash Learn: Decimal Arithmetic
[Free Registration/Login Required] This game provides practice in decimal arithmetic including addition, subtraction, multiplication, and division of decimals.
Khan Academy
Khan Academy: Multi Step Estimation Word Problems
Use estimation to solve multi-step word problems involving addition, subtraction, multiplication, and division. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Speed Math Multiply and Divide
Students will be given numbers and the solution, they will need to determine which numbers were multiplied and/or divided to complete the equation.
Math Slice
Math Slice: Number Slice Special Test
A succinct test on number concepts including problem solving, basic operations, and computation. Assessment is scored online and student score is compared with other student test scores. Great for use as a quick assessment.
Other
Eduteka: Aritmetica Cuatro
In this activity two students play a game where player tries to connect four pieces in a row before the opponent. Players respond to problems involving addition, subtraction, multiplication and division of whole numbers. Level of...
Visual Fractions
Visual Fractions: Add Unlike Fractions With Number Line Models
Boost your ability to add number line fractions with unlike denominators with this interactive math game. A basic understanding of factors is key to success. Instructions with detailed examples are easily accessible.
Khan Academy
Khan Academy: Multiply 1 Digit Numbers by a Multiple of 10, 100, and 1000
Practice multiplication problems like 5x500=2500. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Multiply 1 Digit Numbers by 10, 100, and 1000
Practice multiplication problems like 5x100=500. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
PBS
Pbs Learning Media: Sharing Candy Among Gargoyles
The CyberSquad must divide 35 candies evenly among seven gargoyles in this video segment from Cyberchase.
University of Waterloo (Canada)
Mathfrog: Powerama 4
Practice multiplying and dividing by 10, 100, and 1000. There are 50 questions with immediate feedback and a chance to correct your errors.
Khan Academy
Khan Academy: Multiply by Taking Out Factors of 10
Multiply numbers like 900 x 1000 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.