Lesson Plan
Illustrative Mathematics

Rectangle Perimeter 3

For Teachers 5th - 7th Standards
This activity looks at writing expressions to represent perimeter of a rectangle and then considers the concept of equivalent expressions and the distributive property in more detail. 
Lesson Plan
Curated OER

Complex Numbers and Operations

For Teachers 8th - 10th
In this algebra worksheet, students add, subtract and multiply using complex numbers. They apply the correct property of i as they solve. There are ten questions with an answer key.
Lesson Plan
Curated OER

Multiplication: A Treasure Hunt to Two and Three Digit by One Digit Multiplication

For Teachers 4th - 5th
Here is a math lesson which has learners practice multiplying two and three digit numbers by one digit numbers. They discuss multiplication strategies and use those strategies to play a game.
Lesson Plan
Curated OER

Shasta Dam: How High is Too High?

For Teachers 9th - 11th
Research water use in California, environmental protection laws, and the proposition to raise Shasta Dam by 200 feet. Researchers use their findings to build an argument which will be presented at a mock decision panel. Groups then...
Lesson Plan
Curated OER

U.S. History: Antebellum Heroes and Villains

For Teachers 8th
Eighth graders research and write reports on key figures of the Antebellum Period. The projects also include pictures, bibliographies, and timelines about their assigned figure. In addition, 8th graders present oral reports to classmates.
Worksheet
Curated OER

What is Earth Science?

For Students 5th - 9th
This worksheet tests general knowledge of scientific fields with a focus on those involved in earth science. Learners fill in 9 blanks using the provided word bank of scientific fields. In addition, there are 2 questions specifically...
Lesson Plan
Curated OER

Temperature Changes Everything

For Teachers 5th - 8th
Middle school chemists visit interactive websites in order to discover what happens to molecular motion when heat is added to matter. They conduct an experiment that demonstrates the expansion of matter with the addition of heat. A lab...
Lesson Plan
Shodor Education Foundation

Spy Game

For Teachers 5th - 8th Standards
Turn students into detectives as they decipher encrypted messages.  Introduce your class to modular arithmetic and have a little fun encrypting and decoding secret messages. The activity does not hit many content standards, but...
Worksheet
Curated OER

Adding and Subtracting Integers

For Students 7th - 12th
For this adding and subtracting integers worksheet, students find the sum or difference of 9 problems. Students then evaluate 4 expressions given certain values.
Lesson Plan
Curated OER

Build a Better Bouncer

For Teachers 5th - 8th
Students experiment with silly putty.  In this chemical changes lesson students work in groups, perform tests and collect data.
Worksheet
Curated OER

Rational Numbers

For Students 9th
In this rational numbers worksheet, 9th graders solve and complete 12 different problems that include multiplying various rational expressions. First, they find the product of two or more numbers, grouping in pairs. Then, students...
Lesson Plan
Curated OER

Area, Arithmetic and Algebra

For Teachers 8th - 10th
Students model formulas for rectangles and squares. For this area, arithmetic and algebra lesson, students explore the formula for the area of squares and rectangles. They use squares to model the formula for the area and identify...
Worksheet
Curated OER

Adding and Subtracting Integers

For Students 5th - 7th Standards
In this integers learning exercise, students use the integer number line to solve the problems as they add and subtract positive and negative numbers. They find the answers to 10 questions.
Lesson Plan
Curated OER

Describing Nests

For Teachers K
Students observe bird nests. For this observation level, students explore bird nests using their five senses. Students compare and contrast bird nests while hypothesizing about the need birds have to construct the nest.
Worksheet
Curated OER

Chapter 2 Test

For Students 9th - 11th
In this algebra worksheet, students solve fractions, identify properties of numbers and solve 1 and 2 steps linear equations. There are 25 questions.
Worksheet
Curated OER

Algebra Test

For Students 9th - 10th
In this algebra worksheet, students solve problems that are rational and irrational. They rewrite fractions as decimals and show understanding of basic number properties. There are 25 questions.
Worksheet
Curated OER

Proof that One Equals Zero and Zero Equals Two

For Students 11th
In this algebra worksheet, 11th graders complete proofs that show why properties are true. There are 2 proofs given with 8 required steps.
Worksheet
Curated OER

Further Trigonometry

For Students 11th - Higher Ed
In this trigonometry worksheet, students solve for trigonometric functions. They convert between radians and angles using the properties of sine, cosine and tangent. There are 30 problems on this handout.
Worksheet
Helping with Math

#6: Addition and Subtraction Equations (2 of 2)

For Students 7th - 8th Standards
This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...
Lesson Plan
Pennsylvania Department of Education

Adding and Subtracting Three-Digit Numbers by Jumping

For Teachers 2nd
Second graders use data to graph information and draw conclusions. In this lesson on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot change over time.
Lesson Plan
Curated OER

Multiplication and Addition

For Teachers 3rd - 5th
Students create their own number line showing the answers if you add the same two numbers together. They do the same for multiplication and compare the two number lines. They answer questions to complete the lesson.
Lesson Plan
West Contra Costa Unified School District

Divisibility Rules Justified

For Teachers 6th - 8th
How do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in...
Worksheet
Houghton Mifflin Harcourt

Intensive Math

For Students 5th - 8th Standards
Three chapters worth of integer, fraction, and decimal problems to give you every type of question your learners need to be a successful mathematician. Thankfully the work has been done for you and this is a huge resource full...
Lesson Plan
Willow Tree

Solving Inequalities

For Students 8th - 11th Standards
What does solving an inequality have in common with solving an equation? Almost everything! A math resource focuses on the one exception. The examples lead learners through the steps of solving an equality when multiplying or...

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