+
Unknown Type
Soft Schools

Soft Schools: Convert Decimals to Fractions

For Students 6th - 8th Standards
Take a quiz to assess learning of converting decimals to fractions.
+
Unit Plan
Khan Academy

Khan Academy: Interpreting Absolute Value

For Students 5th - 7th Standards
Practice understanding the meaning of absolute value in real-world scenarios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
+
Activity
Discovery Education

Discovery Education: Web Math: Using a Number Line

For Students 9th - 10th Standards
This WebMath site provides an interactive number line "solver." Content includes helpful hint and a full explanation of the mathematical solution.
+
Unit Plan
Sophia Learning

Sophia: The Number Line

For Students 6th - 8th Standards
This video lesson introduces the number line.
+
Unit Plan
Khan Academy

Khan Academy: Absolute Value to Find Distance Challenge

For Students 7th Standards
Practice using absolute value to find distance.
+
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Sums of Integers With Different Signs

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the sum of integers with different signs. Students examine guided notes, review guided practice, watch instructional videos and attempt...
+
Handout
Other

Platonic Realms: Conic Sections

For Students 9th - 10th Standards
A proof to show that the square root of two is an irrational number, followed by a shorter and even more beautiful proof.
+
Interactive
Doina Popovici

Math Play: Absolute Value Millionaire Game

For Students 6th - 8th Standards
Practice finding the absolute value of different numbers and expressions in this millionaire-style game.
+
Handout
Wolfram Research

Wolfram Math World: Trichotomy Law

For Students 9th - 10th
From Mathworld a site on trichotomy law. This law tells the three posibilities for real numbers in this short definition.
+
Activity
Washington State University

Washington State University: Sets & Other Basic Concepts

For Students 9th - 10th
Washington State University provides an introduction to sets and subsets and the symbols used to represent them.
+
Unit Plan
CK-12 Foundation

Ck 12: Positive and Negative Fraction and Decimal Comparison Grade 7

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Compare and order decimals and fractions.
+
Unit Plan
Mangahigh

Mangahigh: Number: Multiply and Divide With Integers

For Students 6th - 9th Standards
This site provides students practice with the concept of multiplying and dividing integers. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
+
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Additive Inverses and Absolute Values

For Students 5th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about additive inverses and absolute values.
+
Unit Plan
Khan Academy

Khan Academy: Approximating Square Roots

For Students 7th - 8th Standards
Practice finding the approximate value of square roots by thinking about perfect squares. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
+
Interactive
Arcademics

Arcademics: Spider Match Adding Integers

For Students 5th - 8th
Spider Match is a multi-player game that allows students from anywhere in the world to compete against one another while practicing adding and subtracting integers!
+
Handout
Wikimedia

Wikipedia: Additive Inverse

For Students 9th - 10th Standards
What is additive inverse? It means "opposite." Find out more about this concept in this detailed definition with examples and links to related terms.
+
Lesson Plan
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Fracciones, Decimals Y Porcentajes

For Teachers 9th - 10th Standards
In Spanish. Interactive activity to help with the understanding of fraction, operation with fractions, converting fractions to decimals and percentages.
+
Activity
Other

Massey University: Maths First: Fractions to Decimals

For Students 6th - 8th Standards
This site contains example problems that explain the steps for converting fractions to decimals. Students can practice the skill and check their answers immediately.
+
Website
Other

Math Bugs Me: Add Subtract Integers

For Students 6th - 8th Standards
This website provides students tips on how to add integers using absolute value and by introducing them to a pattern.
+
Activity
University of Cambridge

University of Cambridge: Maths and Sports: Now and Then

For Students K - 1st Standards
Look at the changes in results on some of the athletics track events at the Olympic Games in 1908 and 1948. What will the results be in 2012? This slightly more challenging activity encourages children to examine data and consider...
+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Reasoning About Multiplication

For Teachers 4th - 8th
This is a good task to work with kids to try to explain their thinking clearly and precisely, although teachers should be willing to work with many different ways of explaining the relationship between the magnitude of the factors and...
+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Calculator Trouble

For Teachers 5th - 8th
Even though students can solve this problem by multiplying, it is unlikely they will. Here it is much easier to answer the question if you can think of multiplying a number by a factor as scaling the number. Aligns with 5.NF.B.5.
+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 5.nf Grass Seedlings

For Teachers 4th - 8th
For the sake of this commentary, let R be the height of Rual's seedlings (of course students do not need to use a letter to represent any number in this task). Student must compare the size of each of two products (112xR, and 34xR) to...
+
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Comparing Products

For Teachers 5th - 8th
The purpose of this task is to generate a classroom discussion that helps students synthesize what they have learned about multiplication in previous grades. Aligns with 5.OA.A.2.

Other popular searches