Lesson Plan
Curated OER

Egyptian Computation

For Teachers 7th - 9th
In this Egyptian computation worksheet, students add and subtract Egyptian numerals.  They convert Egyptian numerals into our standard number system.  This one-page worksheet contains 8 problems.
Worksheet
Curated OER

Easy Worksheet: Adding Radical Expressions

For Students 9th - 12th
In this adding radical expressions worksheet, students solve 18 short answer problems. Students add and subtract radical expressions with different radicands.
Lesson Plan
Texas Instruments

Greatest Common Divisor and Least Common Multiple

For Teachers 8th - 12th Standards
Students solve problems using the GCD and LCM. For this algebra lesson, students factor and simplify equations using the greatest common and least common factors and multiples. They factor integers in pairs.
Worksheet
Curated OER

Unit 15 Negative Numbers

For Students 6th - 8th
In this negative numbers worksheet, middle schoolers 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...
Lesson Plan
Curated OER

Math Review (Preparing for CST)

For Teachers 3rd - 5th
Students integrate Math and Music to practice the concept of adding and subtracting decimals. In this math review lesson, students explore music as a way to build math skills. Students listen to the "Decimal Song" and then write a math...
Worksheet
Curated OER

Choose the Operation: Plus or minus (up to 100)

For Students 2nd - 4th Standards
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...
Lesson Plan
Illustrative Mathematics

Discounted Books

For Teachers 6th - 8th Standards
Adolescents love to shop, especially when an item is discounted. Here, shoppers only have a set amount of money to spend. Will they be able to make a purchase with the discount and tax added in? Percent discounts can be calculated...
Worksheet
Curated OER

On Target

For Students 3rd
For this number sentence worksheet, 3rd graders decide whether they will add, subtract, multiply or divide to solve five word problems. Students write out the number sentence for each word problem on the lines provided.
Worksheet
Curated OER

Number Puzzles

For Students 1st - 2nd Standards
These math puzzles are sure to get your first and second graders thinking. Nine word problems about odds and evens, as well as greater than and less than, keep learners guessing. If you're working on mental math in your class, use these...
Worksheet
Curated OER

Subtraction Word Problems #1

For Teachers 2nd - 3rd Standards
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
Worksheet
Curated OER

Finding Solutions by Working Backwards

For Students 4th - 5th
In this math worksheet, students learn to solve word problems by working backwards. Students read the 20 word problems and solve them, choosing the best answer from 4 choices. There are helpful hints on the page to clue students to work...
Lesson Plan
Illustrative Mathematics

Guess My Number

For Teachers 7th - 9th Standards
Make a game out of solving equations. This particular activity works well for pairs of learners. Follow the instructions to have player one pick a number and player two verbally give an equation. Participants need to make sense of a...
Lesson Plan
Curated OER

Students Multiply Polynomials

For Teachers 9th - 11th
Factor polynomial functions that have two and three terms. Using Algeblocks, your class will create models to show their understanding of these concepts.
Lesson Plan
EngageNY

Transformations of the Quadratic Parent Function

For Students 9th - 10th Standards
Efficiently graph a quadratic function using transformations! Pupils graph quadratic equations by completing the square to determine the transformations. They locate the vertex and determine more points from a stretch or shrink and...
Lesson Plan
West Contra Costa Unified School District

Lowest Common Multiple through the Grades

For Teachers 8th - 10th Standards
The LCM will be your new BFF. Learners review least common multiple and least common denominator applications, mostly on fractions, from middle school. Scholars then see how the LCM can be applied to various types of problems from...
Unit Plan
Mathematics Vision Project

Module 7: Modeling with Functions

For Students 9th - 12th Standards
The sky's the limit of what you create when combining functions! The module begins with a review of transformations of parent functions and then moves to combining different function types using addition, subtraction, and...
Lesson Plan
Willow Tree

Order of Operations

For Students 7th - 10th Standards
It's the classic please excuse my dear aunt sally strategy to remembering the order of operations. Young mathematicians practice to develop an understanding of the order of operations. Examples and practice problems include...
Lesson Plan
Willow Tree

Angle Sum Property of Triangles

For Students 8th - 11th Standards
All triangles have some things in common. Using these properties of triangles, learners find missing angle measures. Scholars use the Angle Sum Property and properties of special triangles throughout the lesson.
Lesson Plan
Curated OER

Get it Straight Mr. Decimal!

For Teachers 3rd - 5th
Students work with decimals. In this decimal lesson, students participate in a hands-on group activity that enable them to review to how to appropriately add and subtract decimals.
Worksheet
Curated OER

Two-Digit Addition and Subtraction No Regrouping [N]

For Students 2nd - 3rd
In this addition and subtraction activity, students complete a total of 36 problems. All problems add or subtract 2-digit numbers and no regrouping is required.
Worksheet
Curated OER

Two-Digit Addition and Subtraction No Regrouping [O]

For Students 2nd - 3rd
In this addition and subtraction worksheet, students complete a total of 36 problems. All problems add or subtract 2-digit numbers and no regrouping is required.
Worksheet
Curated OER

Math Worksheet: Horizontal Mixed Addition and Subtraction with 1 Negative Number #2

For Students 3rd - 6th
In this online interactive horizontal addition and subtraction worksheet, students practice their math skills as they solve 15 problems that require them to add or subtract with 1 negative number. The answers may be typed in on the...
Worksheet
Curated OER

Read and Write Numbers to 100

For Students 1st - 2nd
In this early childhood math practice worksheet, learners use their problem solving skills to solve 6 story problems that require them to add or subtract.
Worksheet
Curated OER

One-Digit Addition and Subtraction [F]

For Students 1st - 2nd
In this addition and subtractions learning exercise, students solve a total of 49 problems; all problems use one-digit numbers. Answers are included on page 2.