Lesson Plan
Curated OER

A Borrower And A Lender Be

For Teachers 2nd
Second graders practice addition and subtraction in this fun, technology-based Mathematics lesson for the second grade classroom. The lesson includes resource links, video clips, interactive websites, and a section for pre-lesson...
Lesson Plan
Curated OER

Basic Subtracting

For Teachers 1st
First graders solve math problems. In this subtraction lesson, 1st graders use Smarties to compare addition and subtraction. Students complete math problems where they solve basic subtraction questions.
Worksheet
Curated OER

Subtract in Columns

For Students 2nd - 3rd
In this subtraction worksheet, students complete several subtraction activities that help them subtract in columns and borrow over zeros. Students then add to check their subtraction and then solve several subtraction distance word...
Lesson Plan
Curated OER

Math Shortcuts

For Teachers 4th
While the idea is great, to help pupils understand shortcuts to solve multiplication and division problems, this lesson doesn't lay out the steps necessary for successful comprehension. There are a few examples to show how to use...
Lesson Plan
1
1
Curated OER

Food Pyramid Power: Looking Back and Moving Forward

For Teachers Pre-K - 2nd
Students show their knowledge of properties of objects as it pertains to sorting and creating patterns. In this food pyramid power lesson, students show their ability to use whole numbers in different representations by appling...
Worksheet
Curated OER

One and Two Step Word Problems

For Students 1st - 2nd
Here is a step-by-step hand out intended to show learners how to solve one or two-step word problems. They read the problem and then read the explanation for solving the problem. 
Lesson Plan
Curated OER

Pattern Puzzles

For Teachers 1st - 2nd
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Worksheet
Curated OER

Add and Subtract Integers

For Teachers 4th - 5th
For this math worksheet, students find the values of the four sets of problems that use addition and subtraction with the integer number system.
Worksheet
Curated OER

Addition and Subtraction of Polynomials

For Students 9th
In this polynomials worksheet, 9th graders solve 10 different problems that include addition and subtraction of various polynomials. First, they remove the parentheses and group like terms together. Then, students add or subtract like...
Lesson Plan
Curated OER

Counting and Place Value

For Teachers 1st
First graders use place value to practice counting, adding and subtracting using a phenomenological approach.
Worksheet
Curated OER

Mixed Numbers and Fractions

For Students 6th - 7th
In this mixed numbers and fractions worksheet, students solve 18 different problems by addition and subtraction methods. First, they determine the least common denominator in each problem. Then, students find the equivalent fractions and...
Worksheet
Curated OER

Arithmetic: Fractions

For Students 7th - 10th
In this fraction worksheet, students add and subtract fractions with unlike denominators.  They multiply and divide fractions.  This one-page worksheet is designed for mental math.  It contains 30 problems, with answers.
Lesson Plan
Curated OER

Mental Math Counts

For Teachers 5th - 7th
Young scholars use mental math. They describe reasonable and unreasonable sums and differences. Students use mental math to find the sums and differences of addition and subtraction facts at random. They solve addition and subtraction...
Worksheet
West Contra Costa Unified School District

Derivation of the Quadratic Formula

For Students 9th - 11th Standards
What connection does the quadratic formula have with a quadratic equation? Using a matching activity, pupils construct the algebraic derivation of the quadratic formula in this Algebra II lesson task. The task provides two variations of...
Assessment
1
1
Balanced Assessment

Birthday Card

For Students 9th - 12th Standards
Add a twist to the practice of simplifying expressions. The task asks scholars to decode a mathematical puzzle using their knowledge of expressions. If they are able to write and simplify the expression, the mathematics behind the puzzle...
Lesson Plan
EngageNY

An Appearance of Complex Numbers 2

For Teachers 11th - 12th Standards
Help the class visualize operations with complex numbers with a lesson that formally introduces complex numbers and reviews the visualization of complex numbers on the complex plane. The fifth installment of a 32-part series reviews...
Lesson Plan
Willow Tree

Rational vs. Irrational Numbers

For Students 7th - 10th Standards
Build an understanding of rational numbers and their counterpart irrational numbers. Lead learners through an explanation of rational numbers and the ways they can be expressed. Then introduce them to irrational numbers and make...
Worksheet
Curated OER

Integers - Objects Model

For Students 6th - 7th
Sixth and seventh graders solve 19 various types of problems related to integers as objects models. They write an integer that corresponds to each letter on a number line and then, arrange the integers from least to greatest. Pupils also...
Worksheet
World Wildlife Fund

Arctic Take 6

For Students 3rd - 5th Standards
The magic number is six! Using a 6x table, young math stars practice adding, subtracting, multiplying, and dividing two-digit numbers with the number six. This worksheet also touches on making tessellations with hexagons. 
Lesson Plan
EngageNY

Some Potential Dangers When Solving Equations

For Students 9th - 10th Standards
Need a less abstract approach to introducing extraneous solutions? This is it! Young mathematicians explore properties used to solve equations and determine which operations maintain the same solutions. They...
Lesson Plan
Curated OER

Solving Algebraic Equations: Algebra/Geometry Institute

For Teachers 7th - 8th
Students solve problems using PEMDAS. In this algebraic equations lesson, students evaluate expressions using real number properties. They play "Math Jeopardy" to reinforce the order of operations.
Lesson Plan
EngageNY

Word Problems Leading to Rational Equations

For Students 10th - 12th Standards
Show learners how to apply rational equations to the real world. Learners solve problems such as those involving averages and dilution. They write equations to model the situation and then solve them to answer the question —...
Lesson Plan
EngageNY

Using Matrix Operations for Encryption

For Teachers 11th - 12th Standards
Data encryption is an important security measure for sensitive data stored on computers. Pupils learn how to utilize matrices for creating code. They also get a great review of matrix multiplication, inverse matrices, and the identity...
AP Test Prep
College Board

Three Calculator Simulation Activities

For Teachers 10th - 12th
Calculators sure come in handy. An AP® Statistics instructional resource provides suggestions for using calculator simulations. It gives activities for adding variances, normal probability plots, and t distributions.