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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Sums of Integers Using Absolute Value

For Students 6th - 8th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students add two or more integers using absolute value. Students examine guided notes, review guided practice, watch instructional videos and attempt...
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Unit Plan
CK-12 Foundation

Ck 12: Algebra: Solving Real World Problems With Two Step Equations

For Students 8th Standards
[Free Registration/Login may be required to access all resource tools.] Use rational numbers and two-step algebraic equations to solve real-world problems. Includes examples, guided practice, a video [12:59], practice problems, and an...
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Unit Plan
PBS

Pbs Learning Media: Pearl Diver

For Students 6th - 8th
Play a fast-paced video game that involves finding rational numbers on the number line. This game from Math Snacks focuses on using what you know about positive and negative numbers and fractions to place them correctly on the variable...
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Interactive
Doina Popovici

Math Play: Changing Fractions and Decimals to Percents

For Students 3rd - 8th
This Millionaire Game challenges students to convert fractions and decimals to percents. Students will use decimal notation with denominators of 10 and 100 and convert rational numbers to decimals using long division.
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Activity
Texas Instruments

Texas Instruments: Comparing and Ordering

For Teachers 6th - 8th Standards
In this activity, students can use a number line to locate and compare rational numbers.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.ns Differences and Distances

For Teachers 7th Standards
In this lesson plan, 7th graders explore the differences and distances using a number line and adding and subtracting rational numbers.
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Lesson Plan
Better Lesson

Better Lesson: Assessment Day

For Teachers 6th Standards
SWBAT use strategies to identify rational numbers on a number line.
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Activity
Texas Instruments

Texas Instruments: Rational Match

For Teachers 6th - 8th
Students use the Rational Number Rampage application to play a game to find numbers that are equivalent fractions, decimals, and percents.
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Activity
Texas Instruments

Texas Instruments: Rational Timer

For Teachers 6th - 8th
Students use the calculator to play a game that requires them to convert numbers to fractions, decimals, or percent quickly and accurately.
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Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Square Roots (Object Interactive)

For Students 6th - 8th Standards
Explore a set of perfect squares, as well as their square roots using this highly interactive math resource. In addition, students will get to look at estimates of the square roots of non-perfect squares. Printable activities, solutions,...
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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.
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Activity
University of Utah

University of Utah: The Number System

For Students 9th - 10th Standards
This site from The University of Utah provides a definition of commonly used numbers including rational numbers, natural numbers, integers, real and complex numbers and more.
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Unit Plan
BBC

Bbc: Skillswilse: The Number Line

For Students 3rd - 8th Standards
This Skillswise site focuses on number lines. Included is a video about how to use number lines, fact sheets and worksheets for instruction, and quizzes on the information presented. Be aware that this is from Great Britain, so any games...
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Unit Plan
Khan Academy

Khan Academy: Absolute Value to Find Distance Challenge

For Students 7th Standards
Practice using absolute value to find distance.
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Lesson Plan
Oswego City School District

Regents Exam Prep Center: Irrational Approximations

For Teachers 6th - 8th Standards
Providing one lesson, one practice exercise, and two teacher resources, the information at this website is geared toward students who already understand rational and irrational numbers. The lesson has explanations of what happens when a...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N rn.a.2: Checking a Calculation of a Decimal Exponent

For Teachers 9th - 10th Standards
The purpose of the task is to connect properties of fractional exponents with ordering of real numbers. Aligns with N-RN.A.2.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N rn.a.1: Evaluating Exponential Expressions

For Teachers 9th - 10th Standards
The goal of this task is to use properties of exponents for whole numbers in order to explain how expressions with fractional exponents are defined. Aligns with the N-RN.A.1 standard.
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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.
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Activity
Texas Instruments

Texas Instruments: The Tortoise and the Hare

For Teachers 9th - 10th
In this activity, students develop patterns using two or more rational number quantities. They comprehend the concept of functions by understanding the relationship between these quantities and their sums.
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Lesson Plan
Alabama Learning Exchange

Alex: The Real Number System

For Teachers 6th - 8th Standards
This instructional activity focuses on a clear understanding of the real number system by using a variety of teaching strategies. A graphic organizer on a slideshow illustrates how the classifications of numbers relate. A kinesthetic...
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Unit Plan
PBS

Pbs: Logical Leaps: Graphing Inequalities: Fractions and Decimals From 0 to 1

For Students 6th - 8th
In this interactive, use logic to solve three riddles involving high-jump performers in a flea circus. Then, using knowledge of inequalities, place the fleas in the appropriate range on a vertical number line. Numbers are randomized so...
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Unit Plan
PBS

Pbs: Logical Leaps: Fractions and Decimals From 0 to 1 on the Vertical Number Line

For Students 6th - 8th
In this interactive, use logic to solve riddles involving a flea-jumping contest. Place each contestant's jump, represented by either a fraction or a decimal in both feet and inches, at the correct point on the vertical number line....
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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.
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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...