Texas Education Agency
Texas Gateway: Comparing and Ordering Rational Numbers
Given a problem situation, the student will compare and order integers, percents, positive and negative fractions and decimals with or without a calculator.
Cool Math
Coolmath: Finding the Opposite of a Number
This prealgebra lesson gives you practice on finding opposite numbers.
Khan Academy
Khan Academy: Number Equations & Number Lines
Practice writing addition and subtraction equations to match number line diagrams. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
AAA Math
Aaa Math: Subtraction
This tutorial focuses on basic subtraction, subtraction facts, subtraction skills, subtraction of fractions and subtraction of positive and negative integers. Features include practice exercises and games.
Math Warehouse
Math Warehouse: Square Root Calculator and Solver
Students can type any positive or negative number into the square root calculator. The calculator reduces the square root to its simplest radical form.
PBS
Pbs: Logical Leaps: Adding Rational Numbers on the Number Line
In this interactive, use logic to solve riddles involving a wallaby jumping contest. Add two consecutive jumps and place them on a number line, finding equivalent fractions and common denominators to do so. Backward jumps represent...
PBS
Pbs: Function Machine
Control the inputs and operations of a function machine to produce specific outputs. This interactive exercise focuses on exploring operations, making patterns, and the rules for calculations with positive and negative integers.
ABCya
Ab Cya: Zero Sum
Welcome to Zero Sum, a fun math-puzzle game! Drag the tiles over the target numbers to reduce their values to zero. Be careful to make sure that none of the target numbers get reduced below zero. If you get stuck, use the reset button to...
CK-12 Foundation
Ck 12: Algebra: Absolute Value Equations
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve absolute value equations and interpret the solution. Students can watch a video tutorial, explore guided notes and attempt practice...
Khan Academy
Khan Academy: Absolute Value of Complex Numbers
Given a complex number in the form a+bi, find its absolute value. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. HSN.CN.B.4
Hartford Web Publishing
World History Archives: Green Left Weekly:day That Launched the Cuban Revolution
A rather uncritical article about the beginning of the Cuban Revolution. The author is critical of the US policy against Cuba by only highlighting the perceived positives of the Castro regime and none of the negatives.
Calculator Soup
Calculator Soup: Factoring Calculator
The factoring calculator finds the factors and factor pairs of a positive or negative number. Enter an integer number to find its factors.
Calculator Soup
Calculator Soup: Fractions Average Calculator
This calculator finds the average of a set of fractions by adding all of the fractions and dividing by the number of fractions in the set. Enter positive or negative fractions, integers and mixed numbers and the calculator converts...
Calculator Soup
Calculator Soup: Ratio Simplifier
Use this calculator to simplify ratios of the form A : B. A or B can be whole numbers, integers, decimal numbers, fractions or mixed numbers. They can be different types, for example, one fraction and one decimal. The ratio values can be...
University of Cambridge
University of Cambridge: Nrich: Coordinate Tan
Enter the World of Tan. The solutions to these challenges are located right on the website.
University of Cambridge
University of Cambridge: Nrich: Coordinate Cunning
Play this game for two and learn how to graph ordered pairs on the coordinate plane at this one page website. You will know right away if you have the correct coordinates.
Khan Academy
Khan Academy: Distance Between Points: Vertical or Horizontal
Practice finding the distance between two points on the coordinate plane that share the same x- or y-coordinate. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.