Lesson Plan
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Wind Wise Education

What is the Cost of Inefficiency?

For Teachers 6th - 12th
What does it cost to keep the lights on? Through a hands-on activity, class members use a watt meter and determine the amount of energy different types of light bulbs use. The class then determines the financial and environmental...
Lesson Plan
Illustrative Mathematics

Counting Squares

For Teachers K - 2nd Standards
Challenge young mathematicians' understanding of squares with this geometry puzzle. The task is simple, identify as many squares as possible in a 3x3 array. Allow learners to work independently or in pairs as they search for squares,...
Worksheet
University of Kansas

Exponential and Logarithm Problems

For Students 9th - 12th Standards
This worksheet manages to provide both fun and serious work solving exponential and logarithmic application problems in engaging story lines and real-life situations. A strong emphasis on science applications and numbers pulled...
Organizer
Curated OER

9's Addition Table

For Students 2nd - 3rd
In this addition table worksheet, students practice their 9's times tables. Worksheet is a complete table and is a reference for students.
Organizer
Curated OER

Addition Table 6's

For Students 2nd - 3rd
In this addition table worksheet, students practice their 6 times tables. Worksheet is a completed table for student practice. 
Worksheet
Curated OER

Adding 7 to a Single Digit

For Students 2nd - 3rd
In this addition worksheet, students practice solving 10 addition math problems by adding the number 7 to 10 single digit numbers.
Worksheet
Curated OER

Adding 4 to a Single Digit

For Students 1st - 2nd
In this addition worksheet, students practice adding the number 4 to 10 single digit whole numbers. Students write their sums in the boxes provided.
Lesson Plan
Curated OER

Integer

For Teachers 7th
Seventh graders examine the characteristics of an integer. As a class, they observe a number line and recognize opposite numbers. Algebra tiles, or counters, are used to explore the concept of adding integers. In groups, 7th graders play...
Worksheet
Curated OER

Add and Subtract within 1000

For Students 1st - 2nd
Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to...
Worksheet
Curated OER

Real-Life Problems

For Students 1st - 2nd
How much does it cost to mail this letter? Scholars approach the real-life scenario of adding postage as they practice introductory addition. Each letter has a total amount it needs, and learners draw in the appropriately-priced stamps...
Worksheet
Curated OER

10 More or 10 Less

For Students 1st - 2nd Standards
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
Lesson Plan
Illustrative Mathematics

Kendall's Vase - Tax

For Teachers 6th - 7th Standards
Practice sales tax when using the activity with three solution choices. Learners can use a percent table, benchmark percent, or solve by calculating. Solutions don't show how to multiply by the decimal, but method can be added in....
Lesson Plan
Curated OER

Investigation- More than 4- Less than 5

For Teachers 7th
Seventh graders practice combining decimals and fractions to find sums which are either greater than 4 or less than 5. Students first approximate the value of each fraction and decimal, then they look for combinations to fit the guidelines.
Worksheet
Curated OER

Addition

For Students 3rd
In this addition learning exercise, 3rd graders practice solving 10 addition problems involving 2-digit whole numbers. Students put their answers in the shapes provided.
Lesson Plan
Curated OER

Addition - Counting On

For Teachers 2nd
Second graders solve addition problems without using a calculator. In this addition lesson, 2nd graders solve addition problems by "counting on." Students are taught this specific strategy and given the opportunity to practice.
Assessment
Bridges In Mathematics

Kindergarten Comprehensive Growth Assessment

For Teachers K Standards
Here's a 34-page packet that provides assessments for all the Common Core math standards for kindergarten. Whether or not your school has adopted Common Core, the assessments target key math concepts kindergarteners should know.
Worksheet
Curated OER

Money Addition

For Students 2nd - 3rd
In this money addition worksheet, students add three digit numbers with three digit numbers. Students are given 20 addition problems to practice the skill.
Lesson Plan
Curated OER

Decimal Addition and Subtraction

For Teachers 4th - 5th
In this decimal addition and subtraction worksheet, students use a computer program for initial instruction, then complete 22 problems with decimals.
Lesson Plan
Curated OER

Extra Practice 9: Solving Equations Using the Addition and Multiplication Principles

For Teachers 7th - 10th
In this practice worksheet, students solve simple algebraic equations containing one variable. They use their integer rules, addition, and multiplication principles to solve the equations. There are 54 equations on this two-page worksheet.
Interactive
Curated OER

Adding Integers II

For Students 5th - 6th
In this adding integers learning exercise, students solve 10 problems, adding integers. Students may click on hint or check answer buttons. Page has links to additional resources.
Lesson Plan
Curated OER

Zero is Our Hero (Grades 6-9)

For Teachers 6th - 9th
Students become interactive participants in introductory and practice activities involving positive and negative numbers. After watching a video, students play games together which help them use positive and negative numbers effectively.
Interactive
Curated OER

Adding Integers

For Students 5th - 6th
In this integer worksheet, students solve 12 problems, adding integers. Answers and hints are available on-line; a reference web site for additional resources is given.
Worksheet
Curated OER

Introduction to Multiplication

For Students 2nd - 3rd
In this introduction to multiplication worksheet, learners use addition skills to help multiply, using "lines" to help at first, then without. Students continue practicing basic multiplication facts on page 2.
Lesson Plan
Curated OER

The French Expedition to Egypt

For Teachers 9th - 12th
Students analyze the effect of the French Expedition to Egypt. For this world history lesson, students research the military, scientific, cultural, and industrial impacts of the expedition. Students create multimedia projects that...