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Worksheet
Curated OER

Rounding word problems

For Students 3rd - 6th
In this rounding instructional activity, learners solve rounding word problems containing one and two digit numbers about time, money, and more. Students complete 10 problems.
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Worksheet
Curated OER

Math Cross--Puzzle #27

For Students 4th - 7th
In this hours/minutes and rounding worksheet, learners fill in a crossword puzzle as they solve the answers to twenty-eight math problems or word problems involving hours/minutes and rounding. Students utilize mathematical strategies of...
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Worksheet
Curated OER

Math Cross--Puzzle #28

For Students 4th - 6th
In this hours/minutes and rounding worksheet, students fill in a crossword puzzle as they solve the answers to twenty-eight math problems involving addition, subtraction and multiplication in connection with time and rounding numbers.
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Lesson Plan
Curated OER

Forest Life- Wood Bug Study

For Teachers K - 7th
Examine wood bugs and their habitat. Learners gather wood bugs and examine their bodies. Then discuss their body parts and how they help them survive. They also predict where they think wood bugs live to then graph the class results.
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Worksheet
Curated OER

Compare Time

For Students 2nd
In this estimating time learning exercise, 2nd graders solve 6 problems in which the time it takes to perform a specific task is estimated. Students choose an estimate from two answers.
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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...
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Interactive
Curated OER

Estimating For Reasonable Answers

For Students 4th - 6th
For this estimating for reasonable answers worksheet, students interactively answer 10 multiple choice questions about estimation, then click to check their answers.
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Worksheet
Curated OER

Appliance Energy Use and Cost

For Students 7th - 10th
In this energy usage activity, students use a chart comparing the average monthly kilowatt-hour use of different household appliances to complete 4 short answer questions.
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Lesson Plan
National Wildlife Federation

I’ve Got the POWER! Solar Energy Potential at Your School

For Teachers 9th - 12th Standards
Should every school have solar panels? The 19th lesson in a series of 21 has scholars research the feasibility of using solar panels at their school. They begin by gathering data on the solar energy in the area before estimating the...
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Lesson Plan
Curated OER

Math, Calories and You

For Teachers 5th - 8th
Discover the connection between calories and weight. Pupils multiply their body weight times calorie estimates for various physical activities to calculate calories burned per minute and per hour. Worksheets a well as website links are...
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Lesson Plan
Willow Tree

Measurement

For Students 8th - 11th Standards
Build a basic understanding of units of measure and create a great foundation for your learners. The lesson gives a complete overview of everything measurement, from types of measurement to rounding to conversions — it has it all! 
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Worksheet
Curated OER

Activity: Estimate Time

For Students 2nd - 4th
In this estimating time review worksheet, learners practice their estimation skills as they estimate how many times they can do 3 activities in 1 minute. Students check their work and then identify things that take them 30 seconds, 5...
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Worksheet
Curated OER

Measurement: Estimating One Place Beyond

For Students 7th - 10th
In this estimation in measurement learning exercise, students are given four rulers with measurements marked on each. Students estimate each measurement and mark their answers.
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Lesson Plan
Curated OER

Telling Time as an Everyday Use of Numbers

For Teachers 1st - 3rd
How can we estimate time? Have your young mathematicians make a clock. Then they compare and contrast types of clocks. They practice writing times in two different ways and make a book about telling time.
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Worksheet
Curated OER

Speed Machines

For Students 6th - 8th
For this science worksheet, students solve each of the word problems on speed machines using the formula given and rounding their answers to the nearest tenth. Students also fill in the boxes and use a calculator to determine how long it...
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Lesson Plan
Curated OER

Migrating Math

For Teachers 6th - 8th
Young scholars practice estimating distance traveled while walking. Also can be used to introduce backpacking/hiking or as a daily warm-up. Measure the blacktop/cafeteria/playground, then determine how many times around make a mile.
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Worksheet
Curated OER

Estimate Quotients

For Students 5th
Fifth graders have to use division to solve problems in everyday situations. This worksheet on estimation and division has students practice these skills using real-life examples. The worksheet is part of the Houghton Mifflin math series...
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Lesson Plan
Curated OER

How Hot Is It?

For Teachers 4th
Fourth graders practice estimating temperatures. They practice in Celsius and Fahrenheit.
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Lesson Plan
Curated OER

Explorations in Estimation

For Teachers 4th - 8th
Experimenting with two different techniques, oung mathematicians estimate how many little things fit into a bigger thing. They watch and discuss a short video, conduct the two estimates, one by weight and one by volume, and record the...
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PPT
BW Walch

Creating Linear Equations in One Variable

For Teachers 9th - 10th Standards
The example of two travelers meeting somewhere along the road has been a stereotypical joke about algebra as long as algebra has existed. Here in this detailed presentation, this old trope gets a careful and approachable treatment....
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Activity
Curated OER

Water Down the Drain

For Teachers 8th - 11th Standards
Did you know that leaky faucets waste $10 million worth of water? Conservationists perform an experiment and draw best-fit lines to explore how the US Geological Society determined this value.
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Lesson Plan
Curated OER

Speed Trap

For Teachers 7th - 10th
Students explore the usefulness of algebraic skill development as they make decisions based on their ability to accurately estimate the speed of moving vehicles. The life and death possibilities place an interesting"spin" on this skill.
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Worksheet
Curated OER

Accuracy of Calculations

For Students 7th - 8th
In this accuracy of calculations worksheet, students solve and complete 4 different types of problems. First, they estimate the solution of the calculations shown. Then, students find the maximum and minimum possible values for each...
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Worksheet
Curated OER

Purchasing Power of Working Time - Extension Task

For Students 9th - 12th
In this European Union economics worksheet, students respond to 5 multi-step questions that require them to research the costs of living in Germany and the United Kingdom.