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Curated OER
What Is A Number?
Seventh graders engage in a lesson that is focused upon teaching the concept of integer numbers with a focus upon the integers. They practice solving different problems using positive and negative numbers. They then attempt to describe...
Curated OER
Negative Numbers
Sixth and seventh graders investigate the concept of negative numbers. The lesson begins with a review of positive numbers and progresses to the various operations with negative numbers. The lesson includes dialogue for the teacher to...
Curated OER
Integer War
Sometimes all it takes for a good review is a game of cards. Review the processes needed to add, subtract, divide, and multiply integers. In groups, learners play the card game war with a twist. They can use the numbers as either...
Curated OER
Number Sense and Numeration
Students add and subtract integers. In this algebra instructional activity, students discuss number sense as they sort numbers in the correct order. They analyze and label numbers differentiating between rational and irrational numbers.
Virginia Department of Education
Integers: Multiplication and Division
Rules are meant to be broken ... but not integer multiplication and division rules. Learners use chips to model integer multiplication and division. The results of the activity help them develop integer rules for these operations.
Illustrative Mathematics
It's Warmer in Miami
Brrrr it's cold in Alaska! When given the temperatures of Anchorage and Miami in the winter, your mathematicians will calculate how much warmer it is in Miami. Answer key provides two different solution choices. Great as a warm-up for...
Curated OER
Multiplying Integers
Seventh and eighth graders solve math problems where they multiply positive and negative integers. In this multiplication lesson plan, learners use slate boards to complete problems. The step-by-step plan tells you what to write and say...
Curated OER
6: Adding with Negative Numbers
In this adding negative numbers worksheet, students solve three multi-part short answer problems. Students add negative integers. Students evaluate addition and subtraction expressions for given values.
Curated OER
Arithmetic: Fractions
In this fractions instructional activity, students add positive and negative fractions with unlike denominators. They compute a fractional part of a number. This six-page instructional activity contains approximately 20 problems....
Curated OER
Integer War Game
Review adding, subtracting and multiplying integers using this activity. Learners play a game using a deck of cards in which the black ones are positive and the red ones are negative. They add, subtract, etc . . . based on the...
Curated OER
Addition of Real Numbers - Section 1.3
In this real numbers worksheet, follow the integer rules for the addition of positive and negative numbers. There are 40 problems available on this one-page worksheet.
Curated OER
Extra Practice 5: Addition, Subtraction, Multiplication and Division of Real Numbers
In this practice worksheet, students use integer rules to add, subtract, multiply and divide real numbers. This two-page worksheet contains 48 problems.
Curated OER
Positive and Negative Dominoes
Students play dominoes with regular dominoes rules with some modification. Every student keep score. Every count be used--not just the 5's as in dominoes. They count outside points using white dots as positive and red dots as negatives.
Curated OER
Introduction to Pre-Algebra
Students explore adding and subtracting positive numbers. Students discuss the use of algebra in our daily lives. They examine the algebraic equations and observe their solutions. Students work on the board and at their desks to solve...
Curated OER
A Human Number Line: Student Worksheet
Kids are challenged to make a human number line. They line up, holding numbers from -10 to 10. They then add and subtract both positive and negative numbers, using themselves as the numbers on the number line. This is a great way to...
PBS
Adding Integers
Your sixth and seventh graders deepen their understanding of a number line and adding integers in this concrete, hands-on activity. Learners play "Warehouse Puzzle" and then discuss their game strategies and the characteristics...
California Education Partners
Least and Greatest
Squares can be magic. Pupils use their knowledge of addition of positive and negative rational numbers to create a 3 X 3 magic square where the sums are 1. Scholars create addition and multiplication expressions with a set of rational...
Curated OER
Unit 15 Negative Numbers
In this negative numbers worksheet, students add and subtract positive and negative numbers. They find the terms in a sequence, complete multiplication numbers, and find the missing numbers in given multiplication problems. ...
Curated OER
Addition & Subtraction Properties With Integers
Sixth graders use a number line to solve addition and subtraction problems. In groups, they play a game of "Human Number Line Relay." They use a deck of cards to randomly create addition and subtraction equations and physically walk a...
CK-12 Foundation
Trigonometric Functions of Negative Angles
When is the trigonometric value of a negative angle the same as the positive angle? Pupils compare the values of trigonometric functions for different angles and their negatives. The interactive resource provides a visual display to make...
Curated OER
Order Numbers On a Number Line
Fifth and sixth graders study the use of a number line to add integers and they observe a teacher demonstration of how to add integers on a number line. Afterward, they construct a number line and use the number line to solve addition...
Curated OER
Slippery Slope
Middle schoolers use a computer to complete activitites about slope. They find the slope of mountains, roofs, and stairs using rise over run. Pupils are shown different types of slopes and have to identify if the slope is positive,...
Curated OER
Addition With Integers
in this math worksheet, students add the numbers with three digits and the signs are either negative or positive for the integers.
Curated OER
Absolute Value and Basic Operations With Real Numbers
Middle schoolers investigate the mathematical concept of absolute value by counting the number of steps taken in two directions. Using the number line the teacher can note how they can forward and backward without changing the absolute...