Curated OER
Multiplying Inequalities by Negative
Students multiply inequalities by negative. In this algebra lesson, students solve inequalities and graph their solutions on a number line. They pay close attention to the negative consequence, which causes the sign to flip.
Curated OER
Introduction to Pre-Algebra
Middle schoolers 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. Middle schoolers work on the board and at their...
Curated OER
Ordering Integers
For this ordering integers worksheet, 7th graders arrange 6 sets of positive and negative numbers in order from least to greatest, and 6 sets from greatest to least; answer key included.
Curated OER
Integer Subtraction
In this integer subtraction worksheet, 6th graders solve eight columns of twelve problems each using positive and negative numbers.
Curated OER
Unit 1, Worksheet 2, Calculator Worksheet
In this calculator worksheet, students explore place value, standard notation, and exponential notation. They add, subtract, multiply and divide positive and negative integers with and without a calculator. This three-page worksheet...
Curated OER
Our Forests Need Fires?
Students consider how forest fires are both damaging and beneficial to forests. For this earth science lesson, students are read the book Fire! In Yellowstone by Robert Ekey and watch "Fire Ecology" and "Two Sides of Fire" before...
Curated OER
Who Gets to Invent and How Do Inventors Change Our Lives?
Young scholars examine the way various inventions have changed their lives. As a class, they create a timeline of the most important inventions during their lifetime and another timeline of how old they were when it was invented. ...
Curated OER
The California Recall Election
High schoolers identify facts about the structure of the California recall election. They research the history of recall elections throughout the United States. They analyze the positives and negatives of a governor recall election.
Curated OER
Less Than Zero
Students examine negative numbers by extending a vertical number line to include numbers less than zero. After playing a game, students watch a Cyberchase video in which the characters try to solve similar problems.
Curated OER
Addition and Subtraction of Integers
Sixth graders complete a pre-test of addition and subtraction of integers, then watch a powerpoint presentation on the concept. In this mathematics activity, 6th graders draw number lines and chip boards to show the process. Students...
Curated OER
Unlocking the Secrets of Math: Simple Steps to Becoming a Better Mathematician
Help your students remember math tricks and rules. Review working with positive and negative numbers, decimals, and the order of operations in this engaging presentation.
Curated OER
My Life in Numbers
Have fun while your class creates a timeline of their lives. They record events before and after they were born on a line with 10 integer pairs consisting of one integer on each side of zero. Many extension activities can be done in...
Curated OER
SPIRIT 2.0 Lesosn: Adding and Subtracting Integers
Six pages prepare you to introduce your math stars to the addition and subtraction of positive and negative numbers. They drive a robot back and forth on an actual number line to represent the operations. If you don't have access to a...
Curated OER
Get a Line on Integers
Students explore number sense by completing math function problems in class. In this integers lesson, students define integers and practice plotting them on a number line. Students utilize math functions such as addition and...
Curated OER
Solving Inequalities
In this solving inequalities worksheet, students solve and complete 14 different problems that include using multiplication and division properties for inequalities. First, they state the number by which they multiply each side to solve...
Curated OER
Rational Equations
In this rational equations worksheet, 9th graders solve 10 different problems that include various forms of rational equations. First, they determine the least common denominator in each equation. Then, students compare numerators and...
Curated OER
Directed Numbers
In this math worksheet, students examine the values in order to find the sums of the positive and negative numbers with one digit.
Curated OER
Modular Mathematics
Middle schoolers are introduced to modular mathematics. They start by making clocks for different bases. They use their clocks to count, using the base, and then finding the mod or remainder. They explore both positive and negative...
Curated OER
Affirmative Sentences
In this affirmative sentences worksheet, 1st graders read ten affirmative sentences and then write the negative equivalent to each affirmative sentence.
EngageNY
Mid-Module Assessment Task: Grade 7 Module 2
A seven-question assessment determines how well your learners understand the procedures to add, subtract, multiply, and divide signed rational numbers. Pupils show their understanding through problem-solving situations.
EngageNY
Applying the Properties of Operations to Multiply and Divide Rational Numbers
Use properties to evaluate several multiplications and divisions. The 16th lesson in a series of 25 demonstrates to scholars how they can utilize properties of operations to evaluate complex numerical expressions involving multiplication...
CK-12 Foundation
Prime and Composite Numbers
Nine true or false, multiple-choice, and discussion questions make up an interactive designed to reinforce scholars' knowledge of prime and composite numbers. A number chart reveals every prime number through 100.
EngageNY
If–Then Moves with Integer Number Cards
Pairs with the same sum of integer cards verify the addition and subtraction properties of equality by adding and subtracting like cards to each hand. They also justify the multiplication and division properties of equality using...
EngageNY
Applying the Properties of Operations to Add and Subtract Rational Numbers 1
Apply properties of operations to work with mixed numbers. The first of two lesson plans that focus on properties of operations works with mixed numbers and converting opposites of sums. Pupils work with properties of operations to break...