CK-12 Foundation
Ck 12: Arithmetic: Sums of Integers Using Absolute Value
[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...
CK-12 Foundation
Ck 12: Algebra: Solving Real World Problems With Two Step Equations
[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...
PBS
Pbs Learning Media: Pearl Diver
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...
Doina Popovici
Math Play: Changing Fractions and Decimals to Percents
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.
Texas Instruments
Texas Instruments: Comparing and Ordering
In this activity, students can use a number line to locate and compare rational numbers.
Illustrative Mathematics
Illustrative Mathematics: 7.ns Differences and Distances
In this lesson plan, 7th graders explore the differences and distances using a number line and adding and subtracting rational numbers.
Better Lesson
Better Lesson: Assessment Day
SWBAT use strategies to identify rational numbers on a number line.
Texas Instruments
Texas Instruments: Rational Match
Students use the Rational Number Rampage application to play a game to find numbers that are equivalent fractions, decimals, and percents.
Texas Instruments
Texas Instruments: Rational Timer
Students use the calculator to play a game that requires them to convert numbers to fractions, decimals, or percent quickly and accurately.
Government of Alberta
Learn Alberta: Math Interactives: Exploring Square Roots (Object Interactive)
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,...
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.
University of Utah
University of Utah: The Number System
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.
BBC
Bbc: Skillswilse: The Number Line
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...
Khan Academy
Khan Academy: Absolute Value to Find Distance Challenge
Practice using absolute value to find distance.
Oswego City School District
Regents Exam Prep Center: Irrational Approximations
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...
Illustrative Mathematics
Illustrative Mathematics: N rn.a.2: Checking a Calculation of a Decimal Exponent
The purpose of the task is to connect properties of fractional exponents with ordering of real numbers. Aligns with N-RN.A.2.
Illustrative Mathematics
Illustrative Mathematics: N rn.a.1: Evaluating Exponential Expressions
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.
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.
Texas Instruments
Texas Instruments: The Tortoise and the Hare
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.
Alabama Learning Exchange
Alex: The Real Number System
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...
PBS
Pbs: Logical Leaps: Graphing Inequalities: Fractions and Decimals From 0 to 1
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...
PBS
Pbs: Logical Leaps: Fractions and Decimals From 0 to 1 on the Vertical Number Line
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....
Other
Math Bugs Me: Add Subtract Integers
This website provides students tips on how to add integers using absolute value and by introducing them to a pattern.
Illustrative Mathematics
Illustrative Mathematics: 5.nf Grass Seedlings
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...