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Activity
University of Cambridge

University of Cambridge: Nrich: The Magic Number and the Hepta Tree

For Students 3rd - 8th Standards
Use your calculator to help you solve this challenge at this one page website. You can check your solution with only one click of the mouse.
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Activity
Other

Kid's Page Archive: Free Printable Math Worksheets

For Teachers Pre-K - 1st
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.
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Activity
Hopelink

Hopelink: Teaching Percentages

For Teachers 9th - 10th
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: The Value of Education

For Teachers 4th - 8th
The purpose of this task is for students to add, subtract, multiply, and divide decimal numbers in a real-world context. The weekly income earned by each person in the task is the median weekly income for their education level, but they...
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Unknown Type
Khan Academy

Khan Academy: Understanding Moving the Decimal

For Students 3rd - 5th
Give the number of tens a number is being multiplied or divided by when the decimal is moved to the left or right.
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Multiplication

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Multiply and divide decimals with and without rounding
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Combinations of Decimal Money Amounts

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Write amounts of money as decimals.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Decimal Multiplication and Addition Word Problems

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to solve word problems that involve the multiplication and addition of decimals. Includes video demonstrating a sample...
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Estimation to Check Decimal Multiplication

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Estimate or confirm decimal products by multiplying leading digits
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Website
Discovery Education

Discovery Education: Web Math: General Math

For Students 3rd - 8th
An extraordinary site that will help you with your math homework. Presented in a format that is both easy to understand and educational. Navigate through numerous instant-answer, self-help math solvers to help you figure out your math...
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Lesson Plan
Utah Education Network

Uen: Design Your Own Bedroom

For Teachers 6th - 8th
Many young scholars dream of designing their ideal bedroom. In this exercise, students will be required to limit their designs by size (as a specific volume) and price (a specific amount). They must design the floor plan, including...
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Activity
Math Fact Cafe

Math Fact Cafe

For Students Pre-K - 1st
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.
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Lesson Plan
Better Lesson

Better Lesson: Estimating Products & Quotients

For Teachers 6th Standards
Sixth graders will be able to use estimation to increase fluency when calculating decimal problems.
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Website
Other

Mathpower: Math Fundamental Assignments

For Students 9th - 10th Standards
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...
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Multiplication

For Students 6th - 7th Standards
[Free Registration/Login may be required to access all resource tools.] Find the product of two decimals by multiplying vertically and correctly placing the decimal point.
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Unit Plan
Khan Academy

Khan Academy: Dividing Whole Numbers to Get a Decimal

For Students 5th - 7th Standards
Divide two whole numbers to get a quotient with a decimal. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N Rn Sums of Rational and Irrational Numbers

For Teachers 9th - 10th Standards
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...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Movie Tickets

For Teachers 6th Standards
In this task, 6th graders are asked to compare the buying power of $20 in 1987 and 2012 with respect to the cost of movie tickets. Aligns with 6.NS.B.3.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Multiplication, Division and Place Value, Part 1

For Teachers 6th Standards
Sixth graders are presented with a completed multiplication equation and are asked to use it to find the answers to seven other equations. To do this, they must use their reasoning and estimation skills. Aligns with 6.NS.B.3.
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Unit Plan
The Math League

The Math League: Fractions

For Students 9th - 10th
This tutorial covers all types of fractions with simple explanations on how to work with them.
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Estimation to Check Decimal Multiplication

For Students 6th - 7th
[Free Registration/Login may be required to access all resource tools.] Use estimation to check answers to decimal multiplication problems.

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