Lesson Plan
Curated OER

Dividing Decimals

For Teachers 6th
In this mathematics worksheet, 6th graders find the quotient for each problem listed. Then thy explain their estimates, divide, and multiply to check their answers.
Worksheet
Curated OER

At the Toy Store

For Students 3rd
In this writing math problems worksheet, 3rd graders write four math problems involving three toy store scenarios stated on the worksheet. Students determine if they are an estimate or an exact solution to the problems.
Lesson Plan
Curated OER

Glasses

For Teachers 7th - 9th Standards
Provide your class some practice with the dimensions of geometric figures. Here you have a set of three different-shaped, stemmed drinking glasses with diameters and heights provided. Math-minded individuals calculate the volume of each....
Activity
Census at School

Just How Old Are You?

For Teachers Pre-K - 6th
Do you know how old you are in seconds, minutes, days, weeks, or months? This intriguing question is presented as a way for learners to estimate in units of time. They'll build a better sense of what each increment of time is as they...
Lesson Plan
Curated OER

Scavenger Hunt for Lengths

For Teachers 6th - 8th
Students practice measurement using real world objects. In this scavenger hunt for lengths lesson, students collaborate to measure with rulers, yardsticks, trundle wheels, and tape measures.  Students must estimate the length then...
Lesson Plan
Curated OER

Menu Planner

For Teachers 6th - 8th
Students plan a menu for a family of four for a day. They estimate the cost of purchasing items on that menu based on a $ 50.00 budget and calculate the actual costs of those items and compare the estimated and actual costs.
Lesson Plan
Curated OER

Guesstimate? NO Estimate!

For Teachers K - 3rd
Young scholars discover the advantage of estimation over simple guessing using number relationships. They also discover how useful a mathematical tool estimation is in everyday life.
Lesson Plan
For the Teachers

$1 Math

For Teachers 2nd - 7th Standards
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math instructional activity. Using the coding formula listed, children learn to fluently estimate...
Lesson Plan
Curated OER

Estimate Quotients and Check Division With Multiplication

For Teachers 3rd - 5th
Students explore how to estimate quotients and check their division with multiplication. They practice rounding the divisor and the dividend. Students compare the estimate to the exact answer and determine if it is reasonable.
Lesson Plan
EngageNY

Percent Error Problems

For Teachers 7th Standards
Individuals measure a computer monitor and determine how accurate their measures are. The eighth segment in a series of 20 introduces the concept of percent error. Pupils find the percent error of their measurements and discuss the...
Lesson Plan
Google

Surveys and Estimating Large Quantities

For Teachers 6th - 12th Standards
Looking for an estimation activity a bit more involved than the typical "guess the number of jellybeans in the jar" game? Here, learners use a picture to estimate the number of people at a large event, look for potential problems with...
Worksheet
Curated OER

Estimating

For Students 4th - 5th
In this estimating worksheet, students review how to estimate and round numbers. Students then estimate the three number addition problems by rounding the numbers to the nearest hundred. Students then find the exact answer. Students...
Lesson Plan
1
1
Virginia Department of Education

Practical Problems Involving Decimals

For Teachers 5th - 7th Standards
After discussing decimals and "going shopping" in the classroom, young mathematicians are given four practical word problems that require them to estimate their answers, given specific information. The highlight of the lesson is...
Handout
Charleston School District

The Line of Best Fit

For Students 8th - 9th Standards
If it's warm, they will come! Learners find a line of best fit to show a relationship between temperature and beach visitors. Previous lessons in the series showed pupils how to create and find associations in scatter plots. Now,...
Activity
PBL Pathways

Lake Pollution

For Students 11th - Higher Ed
Explain the timing of a lake cleanup to the EPA using calculus. A project-based learning opportunity has learners compare rate functions to compute a total change. Their solutions explain the time needed to rid a lake of pollutants.
Worksheet
Math Mammoth

Rounding

For Students 3rd - 5th
In this math worksheet, learners solve the problems that are based upon the skill of rounding. The answers are written into one of the 4 sets.
Lesson Plan
Curated OER

Estimation Contest

For Teachers 3rd - 5th
Students explore the concept of estimation. In this estimation instructional activity, students estimate the number of Cheerios in their cup. Students then determine the number of Cheerios in the entire box using what they know about...
Worksheet
Curated OER

What Do You Think?

For Students 2nd - 3rd
In this estimating sums and differences learning exercise, students solve 6 problems in which the answer to a 3 digit addition or subtraction problem is estimated. Students then solve the problem for an exact answer. There will be...
Worksheet
Curated OER

Bug Bite

For Students 3rd - 6th
In this addition worksheet, learners add three to five numbers together with regrouping and match the answer to the letter in the problem to solve a riddle. Students solve 15 problems and answer 2 questions.
Activity
Illustrative Mathematics

Influenza epidemic

For Teachers 8th - 12th Standards
This activity presents a real-world problem about an epidemic of influenza spreading through a city. Learners refer to a graph that shows the number of individuals infected in relation to the number of weeks that have elapsed since...
Printables
Houghton Mifflin Harcourt

Unit 2 Math Vocabulary Cards (Grade 3)

For Teachers 3rd
A set of third grade math vocabulary cards include topics that range from addition properties to terms like estimate and fact family. Each sheet has two cards on it. The top half is the word printed in bold text,...
Activity
101 Questions

You Pour, I Choose

For Teachers 9th - 12th Standards
Tall and skinny or short and stout, which glass hold the most liquid? Learners analyze dimensions of cylindrical glasses to determine the one holding the greatest amount of liquid. They brainstorm the relevant dimensions before making...
Worksheet
Federal Reserve Bank

The Output Gap: A‘Potentially’ Unreliable Measure of Economic Health?

For Students 9th - 12th Standards
How can we accurately estimate what the economy should produce now and in the future? Have your pupils tackle this question as they learn about real versus potential GDP and as they review data regarding the output gap in...
Worksheet
Curated OER

A Twelfth Night of Quotes

For Students 10th - Higher Ed
Look at exact quotes from Shakespeare's Twelfth Night. Each answer contains four characters to choose from as the speaker. See how well your class knows this play!

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