Lesson Plan
Curated OER

Investment Plans

For Teachers 8th - 11th
Students explore investment plans. They write the explicit and recursive forms of the sequence of an investment and compare the amount to the continuously compounded interest formula for the same time period, interest and principal....
Lesson Plan
Curated OER

Menu Mania

For Teachers 4th - 6th
Students explore the concept of estimating by watching a video, and discussing the strategies for estimation. They estimate the costs for various menu items, then calculate the exact amount spent.
Lesson Plan
Curated OER

The Difference Bar 2

For Teachers 5th - 7th
Students use Internet software, The Difference Bar, to work out the difference between two numbers by breaking numbers into parts. Students use mental strategies to work out the difference between any 2 two-digit numbers. Students...
Lesson Plan
Curated OER

Decimals: Collaborative Lesson

For Teachers 5th - 6th
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...
Lesson Plan
Curated OER

Take Away Bar 2

For Teachers 3rd - 7th
Students use an Internet tool, The Take-Away Bar" to solve subtraction problems. They use mental strategies to subtract a two-digit number from a larger two-digit number. Students write and solve subtraction problems. They describe...
Lesson Plan
Curated OER

Best Guesser

For Teachers 5th
Fifth graders develop strategies for estimating ages, and illustrate results by graphing and interpreting scatter plots to compare x and y coordinates.
Lesson Plan
Curated OER

Fuel Saving

For Teachers 6th - 10th
Students explore the problem of percentages. Students find a given fraction or percentage of a quantity. Students devise and use problem solving strategies on problems explored.
Lesson Plan
Curated OER

Guess My Piece -working with Legos

For Teachers K - 12th
Students participate in guessing their partners' hidden Lego pieces from their verbal clues. They work in partners to accomplish their goals. They are meeting a variety of math standards by completing this lesson.
Lesson Plan
Curated OER

Pythagorean Theorem Investigation

For Teachers 8th
Eighth graders investigate the Pythagorean Theorem and practice applying the theorem to various triangles. Finally, in the next lesson in the sequence, 8th graders create a song or a story to help them remember the Pythagorean Theorem.
Lesson Plan
Curated OER

How Cool Is Your Environment?

For Teachers 7th - 8th
Students study the formulas for calculating heat energy and how to convert Celsius to Fahrenheit. They apply the formulas on a worksheet.
Lesson Plan
Curated OER

Let's Take a Trip!

For Teachers 6th
Sixth graders plan trip for family of four, and choose best travel plan by studying maps, considering different routes, and visiting Web sites to get airline and travel schedules.
Lesson Plan
Curated OER

Concrete Canoes

For Teachers 7th - 8th
Students explore and analyze the relationship of buoyancy and displacement needed to make an object float. They examine various boat designs, then design and build clay and aluminum boats that hold a cargo of marbles.
Worksheet
Curated OER

Division Equations

For Students 9th - 10th
In this division worksheet, students solve algebraic problems containing fractions. This one-page worksheet contains 11 problems. Answers are provided. This worksheet may be completed on-line or produced in printed form.
Lesson Plan
Curated OER

Telling Time to 5 Minutes

For Teachers 1st - 3rd
Students take part in various activities ranging from creating a human clock, to small group problem solving to reinforce the concept of telling time accurately to five minutes on an analog clock.
Worksheet
Helping with Math

#9: Solving Equations (1 of 2)

For Students 6th - 8th Standards
Twelve very simple equations are presented for learners to solve. What is the value of x? What is the value of n? Individuals apply operations to find the answers. You will find the final answers by clicking on the appropriate box at the...
Worksheet
Helping with Math

Solving Equations with Two-Stepping! (4 of 4)

For Students 6th - 8th Standards
Here are 12 two-step algebraic equations to be solved. The first problem is completed as an example to your class, but the remaining can be worked right on the page. An answer key is available by clicking on a small box at the top of the...
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...
Unit Plan
AAA Math

Aaa Math: Estimation

For Students 4th - 6th
Improve your estimation and rounding skills with these interactive games that are challenging and fun. Excellent skills practice for rounding, estimating sums and differences, and front-end estimation. Links to lesson plans, teacher...
Activity
Scholastic

Scholastic: Max's Math Adventures: A Sweet Story

For Teachers 3rd - 5th
In this Max's Math Adventure, estimate pieces of candy with Max, Ruthie, and Pop. Features include a teacher's guide, activity sheet, and extra challenges.
Unit Plan
Khan Academy

Khan Academy: Add and Subtract Fractions Word Problems

For Students 4th - 6th Standards
Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Unknown Type
Khan Academy

Khan Academy: Add and Subtract Fractions: Word Problems

For Students 3rd - 5th Standards
In this exercise, students practice adding and subtracting fractions with unlike denominators word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Estimate the Quotient [Pdf]

For Students 3rd - 5th
This activitiy asks students to randomly select a one-digit divisor and a three-digit dividend and estimate the quotient mentally. Students must then explain why they believe their estimate is accurate.
Activity
AAA Math

Aaa Math: Estimating a Sum by Rounding

For Students 3rd - 5th
Use rounding to estimate the answer to an addition problem in this online game. As you play the game, running totals of correct and incorrect answers and your score are displayed.