Cool Math
Coolmath: Coolmath4kids: Orbit Integers
Add positive and negative numbers in this multiplayer space race!
National Council of Teachers of Mathematics
Nctm: Illuminations: Volt Meter
As you put the different type of batteries on the volt meter pay attention to the voltage equations in the table. See how positive and negative numbers interact.
PBS
Pbs Kids: Cyberchase: Space Coupe to the Rescue
This interactive game allows users to practice with positive and negative numbers.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Add and Subtract With Negatives
Find a quick, concise explanation of how to add and subtract with negatives. Step by step examples are included to help you understand how to find the sum or difference when negative numbers are involved.
BBC
Bbc: Bitesize Revision: Negative Numbers
You can learn to recognize negative numbers and do simple computation with negative numbers. The explanations are short, simple and clear. There is even a test to check your introductory skills.
Texas Instruments
Texas Instruments: Integers! It All Adds Up!
In this activity, students can use the number line to add integers and to justify and support the rules they develop.
abcteach
Abcteach: Select a Math Problem Type
Generate worksheets for math problems ranging from simple addition problems to place value with expanded notation for free. Your choice of font, font size, color and landscape when printing.
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.
Texas Instruments
Texas Instruments: Gaining or Loosing Yards in Football
This activity will allow students to use the football field as an interactive model for adding, subtracting, multiplying and dividing integers. Many students are familiar with the gain or lost of yards in the game of football, however...
SEN Teacher
Sen Teacher: Multiplication Grid
Customize and print out a multiplication grid for use as a classroom handout. You can select grids of 10 or 12 and color or black and white.
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...
George Mason University
Margo Mankus: Investigating Lcm and Gcf Using Rods
This lesson plan is for an activity using rods (Cuisenaire Bars) to help students understand the concept of factors, in particular the LCM and GCF of two numbers.
Math.com
Math.com: The Language of Algebra: Definitions
The resource investigates the algebra vocabulary. Detailed definitions, examples, and practice problems are included.
AAA Math
Aaa Math: Dividing Fractions by Whole Numbers
This site explains how to divide fractions by whole numbers. It provides games and exercises to practice the skill.
University of Utah
University of Utah: An Example of Logical Construction: Powers
A page which uses exponents as a step-by-step example of how logic is used to find complex mathematical concepts by building upon simpler concepts.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Numbers
Math Forum response to request for information on various number sets. Also defined and discussed are integers, natural numbers, whole numbers, irrational numbers, transcendental numbers, and algebraic numbers.
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