Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Baricentro De Un Triangulo

For Students 9th - 10th Standards
Discover how to find the centroid of a triangle with this interactive activity. [Requires Java.]
Unit Plan
Shmoop University

Shmoop: Basic Operations: Absolute Value

For Students 9th - 10th Standards
Students learn about absolute value. The resource consists of notes, step-by-step examples, and practice problems with solutions.
Interactive
Doina Popovici

Math Play: Classifying Triangles

For Students 4th - 6th Standards
Practice identifying triangles as either acute, right, or obtuse in this interactive game.
Handout
AAA Math

Aaa Math: Divide a 5 Digit Number by a 3 Digit Number

For Students 6th Standards
Demonstrates how to divide a 5-digit number by a 3-digit number using long division. The explanation is followed by an interactive where students can practice this skill.
Handout
AAA Math

Aaa Math: Multiplication of Two and Three Digit Numbers

For Students 3rd - 8th Standards
Explains the traditional way to multiply three-digit by two-digit numbers. Gives practice and games to practice this skill.
Unit Plan
Other

Curious math.com: Math Is an Attitude

For Students 9th - 10th Standards
This site offers numbers tricks to help multiply and divide large numbers mentally. There are also tricks for powers and roots of numbers.
Interactive
Quia

Quia: Subtracting to Win a Million

For Students 1st - 8th Standards
Students will love playing this "Who Wants to be a Millionaire," style game as they work through the subtraction problems. Some of the numbers are large, but there is no regrouping necessary.
Activity
AAA Math

Aaa Math: Multiplying Two Digit by a One Digit Number

For Students 3rd - 8th Standards
This site explains the traditional way to multiply a two-digit by a one-digit number. Gives practice and games to practice this skill.
Activity
Application Magazine

Aplicaciones: Calculo Interactivo

For Students 3rd - 8th Standards
Here you will find many different set of exercises about simple operations, combined operations and word problems. Test your knowledge and get your final score.
Website
Ducksters

Ducksters: Kids Math: Pythagorean Theorem

For Students 3rd - 8th Standards
Understand how the Pythagorean Theorem can help us solve the lengths of a triangle. Learn how it works, terms, tricks, and examples on this site.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Shape Sorter

For Students 2nd - 8th Standards
Students learn how to categorize plane figure polygons using Venn Diagrams with this computer based tool.
Whiteboard
ClassFlow

Class Flow: Number Square Algebra

For Teachers 9th - 10th Standards
[Free Registration/Login Required] In this flipchart, students interact with whole numbers arranged in a square to apply their arithmetic skills of multiplication, addition and subtraction.
Whiteboard
ClassFlow

Class Flow: Puzzles & Starters 1234 Puzzle

For Teachers 5th - 7th Standards
[Free Registration/Login Required] Using the numbers 1, 2, 3, and 4, students use appropriate order of operations to find as many equations from 1-100 as possible.
Whiteboard
ClassFlow

Class Flow: Subtracting Integers

For Teachers 6th - 8th Standards
[Free Registration/Login Required] This flipchart contains various examples of subtracting integers problems. Activotes can be included.
Activity
Varsity Tutors

Varsity Tutors: Aplusmath: Algebra Flashcards

For Students 9th - 10th Standards
With this interactive, students use algebra equations flashcards to practice solving equations using addition, subtraction, and multiplication.
Interactive
Math Slice

Math Slice: Math 4 Game

For Students 5th - 8th Standards
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
Activity
Math Is Fun

Math Is Fun: Introduction to Algebra: Multiplication

For Students 3rd - 8th Standards
How do you solve for a variable that is multiplied by another number in an algebraic equation? Find the answer to this question and see examples showing how to solve other types of algebra "puzzles."
Whiteboard
ClassFlow

Class Flow: Area of Polygons

For Teachers 6th - 8th Standards
[Free Registration/Login Required] This flipchart provides students with notes and practice with using formulas for finding the area of triangles and quadrilaterals.
Whiteboard
ClassFlow

Class Flow: Computation Number Slate

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] This flipchart was designed for creating math problems for working on computational math skills.
Whiteboard
ClassFlow

Class Flow: Decimals Division

For Teachers 3rd - 8th Standards
[Free Registration/Login Required] This flipchart is a review of multiplication of decimals. Students are given multiple real-life examples to solve using multiplication of decimals.
Whiteboard
ClassFlow

Class Flow: Estimation

For Teachers 4th - 6th Standards
[Free Registration/Login Required] After this lesson, students will be able to solve problems using a variety of mental math strategies.
Whiteboard
ClassFlow

Class Flow: Multiplication by Two Digit Multipliers

For Teachers 3rd - 8th Standards
[Free Registration/Login Required] This flipchart introduces multiplying two-digits by two-digits. It gives the steps involved, guided practice, and individual practice problems.
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Math Slice

Math Slice: Rounding: Math Worksheets

For Students 3rd - 7th Standards
This tool allows you to create worksheets where students must round whole numbers or decimal numbers to various place value positions.
Unknown Type
Math Slice

Math Slice: Subtraction: Math Worksheets

For Students Pre-K - 1st Standards
This tool allows you to create worksheets where students solve subtraction equations at varying levels of difficulty.