Lesson Plan
Curated OER

How Many More?

For Teachers Pre-K - 1st
Students complete subtraction problems where they use goldfish crackers as their manipulatives in the problem. In this subtraction lesson plan, students use words and pictures to also show their problems.
Worksheet
Curated OER

Learning Shapes

For Students 4th - 6th
In this learning shapes worksheet, students match given shapes to their proper name. In addition, students count the number of shapes identified in a model. Shapes include a rhombus, square, circle, hexagon, trapezoid, rectangle,...
Worksheet
Curated OER

Subtraction: Decimals

For Students 4th - 7th Standards
In this decimal subtraction worksheet, learners solve 15 problems that require them to subtract decimal numbers with 1-5 digits.
Lesson Plan
Curated OER

Pattern Block Polygons

For Teachers 6th
Sixth graders create polygons. In this shapes lesson, 6th graders explore prefixes such as oct, tri, quad, pent, etc. and share their findings. Students use pattern blocks to create two different polygons and label them.
Worksheet
Curated OER

Solving Equations Using More than One Operation

For Students 8th - 10th
In this algebra instructional activity, learners solve equations using addition, subtraction, multiplication and division. They solve word problems using equations. There are 5 questions with an answer key.
Lesson Plan
Curated OER

Fibonacci Sequences Icebreaker

For Teachers 8th - 12th
Students explore Fibonacci sequences. In this math lesson, students identify the relationship between two numbers. Students use Fibonacci sequences to create algebraic equations.
Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 9th - 12th
Students investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
Worksheet
Curated OER

Solving Inequalities

For Students 9th
In this solving inequalities learning exercise, 9th graders solve 15 different inequalities. First, they use the addition, subtraction, multiplication, and division properties of inequalities to solve linear inequalities. Then, students...
Worksheet
Curated OER

Comparing Numbers (up to 999)

For Students 4th Standards
In this number comparison learning exercise, 4th graders compare 14 pairs of numbers and place either the greater than or less than symbol between each. They order 7 sets of numbers from least or smallest to greatest.
Worksheet
Helping with Math

Decimals: Dividing -3

For Students 5th - 6th Standards
In this decimal division activity, students divide the decimal equations for 18 problems. Students improve their division skills by completing the online division activity.
Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 8th - 10th
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
Worksheet
Curated OER

Adding Worksheet

For Students K - 2nd
In this addition worksheet, students add one digit numbers up to 3 based on the book The Cat in the Hat. Students complete 10 problems.
Lesson Plan
Curated OER

Are You a Radical or Just a Square Root?

For Teachers 4th
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...
Lesson Plan
Curated OER

Doghouses, Doors and Design

For Teachers 4th - 6th
Students engage in active problem solving as they create a design for a doghouse.They work in collaborative groups to complete their task. In addition, they explore numerical problems and develop unique strategies to assist them with...
Worksheet
Helping with Math

#10: Solving Equations (2 of 2)

For Students 6th - 8th Standards
In this prealgebra activity, pupils perform addition, subtraction, multiplication, or division operations to solve for an unknown. There are 12 problems to be solved. Use this as a quiz to assess how well your class is grasping the skill...
Lesson Plan
Curated OER

Visual and Number Patterns

For Teachers 4th
Fourth graders develop strategies for identifying geometric and number patterns. In this mathematical patterns lesson, 4th graders use pattern blocks to make repeating patterns with numbers and shapes. Students then explore number...
Lesson Plan
Curated OER

Decode Word Is..

For Teachers 8th - 10th
Learners solve problems using patterns. In this algebra lesson, students identify the relation, domain and range of a function. They graph functions using coordinate pairs.
Lesson Plan
Curated OER

Subtraction With Integers

For Teachers 6th - 8th
This thorough introduction to the concept of subtracting negative integers walk learners through the necessary steps using teacher modeling and guided practice. Number lines and various word problems are used to support understanding of...
Lesson Plan
Houghton Mifflin Harcourt

Introducing the Concept: Triangles and Quadrilaterals

For Teachers 5th - 7th Standards
Guide your geometers through the process of constructing polygons. They learn how to draw triangles, squares, parallelograms, rectangles, rhombuses, and trapezoids with specified angles using a protractor and a ruler. The lesson plan...
Worksheet
Curated OER

Algebra Review

For Students 9th
In this algebra review worksheet, 9th graders solve and complete 12 different problems. First, they use addition, subtraction, multiplication, and division properties of inequalities to solve the linear inequalities. They also write...
Lesson Plan
Curated OER

Math & Social Science

For Teachers 6th - 8th
Students are given data and are to calculate averages and yearly totals of how many cars travel the Tacoma Narrows Bridge. They also make a graph of the data.
Lesson Planet Article
Curated OER

Teaching Students Mathematical Reasoning Skills

For Teachers 3rd - 6th
Students can build upon their basic math skills and become higher order thinkers when we encourage the following principles.
Lesson Plan
Curated OER

Sphere Dressing

For Students 7th - 10th Standards
Geometric design makes a fashion statement! Challenge learners to design a hat to fit a Styrofoam model. Specifications are clear and pupils use concepts related to three-dimensional objects including volume of irregular shapes and...
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...