Curated OER
Identities and Trigonometric Values
Young scholars solve trigonometric equations. In this precalculus activity, students prove trigonometric identities using the Pythagorean Theorem. They apply the addition formulas for sine and cosine to prove different identities.
Curated OER
Topsy-Turvy Math With Rational Numbers
Fourth graders complete a worksheet. As a whole class, 4th graders hear a lecture and complete a worksheet on factors, multiplicative inverses and reciprocals, finding the quotient of two fractions and the division of fractions to...
Curated OER
Fraction Action
Young scholars solve problems with fractions. In this algebra activity, students review the names of fraction and equivalent fractions. They review multiplication and how to find the inverse of a division problem.
Curated OER
Far Out Fact Families
Second graders explore related multiplication and division facts. They study the inverse relationship of multiplication and division and engage in a group discussion about families. They complete a web-based lesson which is imbedded in...
Curated OER
Adding and Subtracting Matrices
In this adding and subtracting matrices activity, students add 2 sets of matrices and subtract one. They are introduced to the rules of adding and subtracting matrices.
Curated OER
Subtraction Relay
Learners play a team subtraction game, subtracting two-digit numbers and using addition to check their subtraction. They solve subtraction problems at the board while the team solves the same problem in their seats.
Curated OER
Number Bonds to 10 and 20
In this number bonds to ten and twenty worksheet, learners work in pairs with a deck of subtraction and addition cards. Students match up both sets of cards after they've been placed face down on a table.
Curated OER
Are You a Radical or Just a Square Root?
Fourth graders discover that the inverse of squaring is finding a square root. and that square roots are found in many formulas used in many disciplines. They utilize a worksheet imbedded in this plan that gives them quite a bit of...
Curated OER
Composition of Functions
High schoolers solve problems using the composition of functions. In this algebra instructional activity, students analyze the graph of a quadratic equation for its vertex and intercepts. they find the inverse of the function using...
Curated OER
Clock Arithmetic and Cryptography
Young scholars perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Young scholars apply their multiplication, division, addition, and subtraction skills.
Curated OER
Mental Math
Students participate in an online computation game. In this computation lesson, students practice simple computations and use an internet site to review addition and subtraction facts.
Curated OER
Simplifying Expressions (Multiplication and Division)
Seventh graders simplify algebraic expressions using multiplication and division to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Students complete various...
Curated OER
Solving Equations With Fractions
In this math worksheet, students solve the equations involving fractions. They use the inverse operations to find the value for the variables.
Curated OER
Mental Math
For this mental math worksheet, students try to solve problems without using a pencil and paper. Students master 12 single digit problems and 4 double digit problems.
Curated OER
Adding and Subtracting Integers
In this adding and subtracting integers worksheet, students find the sum or difference of 9 problems. Students then evaluate 4 expressions given certain values.
Curated OER
Solving Two-Step Equations
In this solving equations worksheet, students solve and complete 16 different types of problems. First, they simplify using the inverse of addition or subtraction. Then, students simplify further by using the inverse of multiplication or...
Curated OER
Mystery Numbers- Enrichment Worksheet
In this mystery numbers worksheet, 1st graders fill in a square in each of 8 equations. They solve an addition problem and its inverse subtraction problem before writing the number on the blank line. They make up their own problems in...
Curated OER
Adding and Subtracting with Negative Integers
Students add and subtract using negative integers. In this negative integers lesson plan, students listen to examples provided by the teacher and then complete problems where they add and subtract negative integers.
Pennsylvania Department of Education
Links Away: Looking Back and Moving Forward
Students explore fact families. In this math lesson plan, students use links to model a fact family. Students solve addition and subtraction problems.
Curated OER
Subtracting Integers
In this mathematics worksheet, 6th graders subtract a number, add its opposite, and explain what opposites are, giving an example of two numbers that are opposites. Then they subtract each integer by adding its opposite.
Virginia Department of Education
Middle School Mathematics Vocabulary Word Wall Cards
Having a good working knowledge of math vocabulary is so important for learners as they progress through different levels of mathematical learning. Here is 125 pages worth of wonderfully constructed vocabulary and concept review cards....
Granite School District
6th Grade CCSS Math Vocabulary Word List
Simplify the Common Core Math Standards for sixth graders with this comprehensive list of key vocabulary. Complemented by a series of word cards that support the meaning of each term with images and examples, this resource provides...
Granite School District
7th Grade CCSS Math Vocabulary Word List
Address key vocabulary in the seventh grade Common Core Math Standards with this comprehensive list. A series of word cards is also provided that supports each term with images and examples, making this an excellent tool for teaching the...
Virginia Department of Education
Cover Up Problems
Don't cover up this resource — use it out in the open! Pupils learn how to cover up various parts of a linear equation in order to help solve the equation. A worksheet of problems provides practice with this skill.
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