Texas Instruments
Texas Instruments: Math a Review 1
This StudyCards stack enables students to review concepts in algebra, arithmetic, and geometry, in preparation for the Math A Exam held in New York. They solve problems involving scientific notation, factoring, linear equations, rate of...
CK-12 Foundation
Ck 12: Arithmetic: Equivalent Ratios
[Free Registration/Login may be required to access all resource tools.] Among rational numbers, identify and write different forms of equivalent ratios.
Shodor Education Foundation
Shodor Interactivate: Lesson: Finding Patterns in Fractals
Students will find patterns in fractals through this lesson plan and describe them mathematically. Students will use their prior knowledge of arithmetic with rational numbers in this lesson plan.
Better Lesson
Better Lesson: Pre Test
What do students already know about integers, rational numbers, and the coordinate plane? What gaps do students have in their understanding? Students take the Unit 3 pretest in order to inform instruction.
ClassFlow
Class Flow: Percentages
[Free Registration/Login Required] In this flipcharts, students use the interactive tools to solve various rational number problems involving percentages (e.g., percent increase/decrease, tax, commission, and discount).
ClassFlow
Class Flow: Percentages
[Free Registration/Login Required] In this flipchart, students use the interactive tools to solve various rational number problems involving percentages. Flipchart contains many sample problems for students to gain plenty of practice.
Common Core Sheets
Common Core Sheets: The Number System 8.ns.1 Worksheets
Print or create worksheets to assess students' understanding of rational and irrational numbers.
University of Vienna (Austria)
University of Vienna: Number Sets
Interactive assessment (with multiple correct answers) which determines depth of knowledge in rational, natural, and integer numbers.
BBC
Bbc Bitesize: Ratio
You can pick up some valuable ratio pointers here. When you finish working your way through the three instructional pages, go on to the Activity for some practice, or take an online "Test Bite" and check your understanding.
CK-12 Foundation
Ck 12: Interactive Middle School Math 6
This all-interactive MSM 6 course is a complete and rigorous Grade 6 Mathematics course where the text is the support material, NOT the main content. The course includes instructional interactives, inline immediate-feedback (formative)...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Potencias De Numerous Racionales
In Spanish. In this site you will practice working with whole and rational exponents with different interactive activities.
Khan Academy
Khan Academy: Converting Repeating Decimals to Fractions 1
Practice converting 1- and 2-digit repeating decimals into fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Converting Multi Digit Repeating Decimals to Fractions
Practice converting multi-digit repeating decimals to fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Soft Schools
Soft Schools: Convert Decimals to Fractions
Take a quiz to assess learning of converting decimals to fractions.
Khan Academy
Khan Academy: Interpreting Absolute Value
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.
Discovery Education
Discovery Education: Web Math: Using a Number Line
This WebMath site provides an interactive number line "solver." Content includes helpful hint and a full explanation of the mathematical solution.
Khan Academy
Khan Academy: Absolute Value to Find Distance Challenge
Practice using absolute value to find distance.
CK-12 Foundation
Ck 12: Arithmetic: Sums of Integers With Different Signs
[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...
Other
Platonic Realms: Conic Sections
A proof to show that the square root of two is an irrational number, followed by a shorter and even more beautiful proof.
Doina Popovici
Math Play: Absolute Value Millionaire Game
Practice finding the absolute value of different numbers and expressions in this millionaire-style game.
Wolfram Research
Wolfram Math World: Trichotomy Law
From Mathworld a site on trichotomy law. This law tells the three posibilities for real numbers in this short definition.
Washington State University
Washington State University: Sets & Other Basic Concepts
Washington State University provides an introduction to sets and subsets and the symbols used to represent them.
CK-12 Foundation
Ck 12: Positive and Negative Fraction and Decimal Comparison Grade 7
[Free Registration/Login may be required to access all resource tools.] Compare and order decimals and fractions.
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