Curated OER
Links to algorithms for computing the date on which Easter falls
In this algorithms worksheet, students are provided with links to three different algorithms used to compute the date on which Easter falls for a particular year. One link requires the students to do the computations, while the...
Scholastic
Study Jams! Addition with Regrouping
Zoe needs to back up her music collection, but do her friends have enough space on their computers to help? Find out as you teach your class how to add two- and three-digit numbers with regrouping. Place value is emphasized as both the...
Scholastic
Study Jams! Single-Digit Division
Learning the algorithm for long division is no easy task, but this resource helps to break the process into manageable steps. Beginning with an explanation of basic division vocabulary, this presentation goes on to model long division...
PHET
Area Model Decimals
Area works with decimals too. Pupils use the interactive to model multiplication of two decimals using an area model. They see how the decomposed components of the factors obtain partial products and then the complete product. Using area...
Curated OER
Name the Digits in Each Place
In this whole number place value worksheet, students identify the digit in each place value. The number goes up to the hundred trillions place. Students may enter their answers directly into the worksheet. A link is provided to allow...
Mangahigh
Mangahigh: Number: Division Algorithm
Use the division algorithm to solve division problems.
Other
Sequence Manipulation Suite
A collection of JavaScript programs for generating, formatting, and analyzing short DNA and protein sequences. It is commonly used by molecular biologists, for teaching, and for program and algorithm testing.
Calculator Soup
Calculator Soup: Long Multiplication Calculator
Multiplication of positive or negative whole numbers or decimal numbers as the multiplicand and multiplier to calculate the product using long multiplication. The solution shows the work for the Standard Algorithm.
Other
Interactive Data Structure Visualizations: Binary Tree Traversals
A great visualization / animation tool that illustrates the different traversal algorithms used with binary trees.
Other
Greatest Common Factor Calculator
Free online calculator provides help with finding the greatest common factor.
Calculator Soup
Calculator Soup: Greatest Common Factor Gcf Calculator
Calculate GCF, GCD, and HCF of a set of two or more numbers and see the work using factorization. An interactive calculator, explanations, and examples are included.
Khan Academy
Khan Academy: Constructing Curves Using Repeated Linear Interpolation
Using the interactive tool, construct curves using repeated linear interpolation.
Doina Popovici
Math Play: 5th Grade Vocabulary Game
Do you know the definition of some common math terms? Play this game to test your knowledge. Game includes words like: algorithm, associative, attribute, axis, base, coordinate plane, and quadrants.
Fun Brain
Fun Brain: Math Car Racing (Easy Subtraction Game)
FunBrain's easy subtraction facts game lets players race cars, fueled by correct answers, around a track.
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