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Worksheet
Curated OER

By the Numbers?

For Students 3rd - 5th
In this counting learning exercise, students read about counting and when it is appropriate to find an exact count of something, versus counting by ten to find an estimate. They then read 10 items that can be counted and indicate whether...
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Lesson Plan
Pennsylvania Department of Education

Using Manipulatives with Fractions

For Teachers Pre-K - K
Students are introduced to the concept of using manipulatives when working with fractions in real life situations. In this using manipulative with fractions lesson, students make connections about when manipulatives aid in calculating...
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Lesson Plan
Curated OER

Numbers Up

For Teachers K - 2nd
Students use Legos to build representations of a variety of numbers. They then sort and order their representations and pair them with the written number.
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Worksheet
Curated OER

Estimating Quotients

For Students 6th - 7th
In this estimating quotients worksheet, students solve 20 different problems that include estimating a variety of quotients in each. They divide each whole number and then estimate the answer in each problem to the nearest whole number.
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Lesson Plan
Curated OER

Number Sense

For Teachers 1st
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
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Lesson Plan
Curated OER

Rational, Irrational and Square Roots

For Teachers 7th
Seventh graders identify rational and irrational numbers and then, estimate the square root of numbers that are not perfect squares. They then identify what the radical is and differentiate between that and a division symbol clearly....
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Worksheet
Curated OER

What Do You Think?

For Students 2nd - 3rd
In this estimating sums and differences activity, 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 carrying and...
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Worksheet
Curated OER

Estimating Practice

For Students 1st - 2nd
In this number sense instructional activity, students examine the picture and estimate the number of ants in the picture.
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Lesson Plan
Curated OER

The Number Partner

For Teachers 1st
First graders study number pairs and identify number pairs that sum to numbers from 10 to 30. They use number pairs to solve addition and subtraction problems. They make sensible estimates and check the reasonableness of answers.
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Lesson Plan
Curated OER

Percents Less Than One and Greater Than 100

For Teachers 6th
Sixth graders express numbers as percents greater than 100 and less than one. In this lesson on percents, 6th graders work in groups with real life scenarios to develop an understanding on percentages greater than 100 and less than one....
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Worksheet
Curated OER

Pence and Estimation

For Students 2nd - 4th
In this pence and estimation on line activity, learners change the price of five toys to pence, estimate the price of four toys by rounding the prices to the nearest 10p and utilize estimation in eight number problems. Students check...
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Worksheet
Curated OER

Rounding Off and Approximation

For Students 6th - 8th
In this rounding learning exercise, middle schoolers round numbers to the given place value.  They draw models of each given situations.  This one-page learning exercise contains 8 problems.
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Lesson Plan
Curated OER

Study Buddies: Multiplying Two-Digit Numbers

For Teachers 2nd - 3rd
In this math homework worksheet, students will solve a 2 digit multiplication problem with parental support. Students will follow a step-by-step process and "Coach's Notes" are provided for the parent helper.
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Activity
Under the Dome

Sweet Tart Hearts

For Students 3rd - 4th Standards
Take your best educated guess. After being presented with a video of a glass of candies, class members estimate the number of each color of candies. Pupils view a graphic showing more information on the fraction of candies before...
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PPT
Curated OER

Who Wants to Win Millions: Estimation and Rounding

For Teachers 4th - 5th
Rounding numbers can be fun using this game. Learners estimate and round numbers to the tens, hundreds, and thousands using this presentation. What a clever way to review this concept.
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Lesson Plan
Curated OER

Where's the Water? Stream Side Science

For Teachers 6th - 9th
After a whole-class discussion of water reservoirs, ten liters of water are given to each lab group to represent Earth's total amount of water. They divide the water into smaller containers, each representing one of those reservoirs. The...
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Activity
Illustrative Mathematics

Runners' World

For Teachers 7th - 10th Standards
Learners must investigate the validity of a claim made in a running magazine. They must identify and look up unprovided information, make appropriate estimations, and be able to convert units. Might be best used as a group or whole-class...
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Lesson Plan
EngageNY

Building Logarithmic Tables

For Teachers 9th - 12th Standards
Thank goodness we have calculators to compute logarithms. Pupils use calculators to create logarithmic tables to estimate values and use these tables to discover patterns (properties). The second half of the lesson has scholars use given...
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Lesson Plan
Virginia Department of Education

Going the Distance

For Teachers 6th Standards
Estimate the value of one of the most famous irrational numbers. The hands-on lesson plan instructs classmates to measure the circumference and diameters of circles using yarn. The ratio of these quantities defines pi.
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Activity
Museum of Science

Egg Bungee

For Teachers K - 6th
Think bungee jumping looks scary? Knowing the science behind bungee jumping might make it less so. Using an egg and rubber bands, young engineers model bungee jumping. They test the distances that the egg falls for different numbers of...
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Worksheet
Lane Community College

Review Sheets: Basic Mathematics 1

For Students 5th - 8th Standards
Here is a worksheet that is 3/4 fraction practice and 1/4 skills guide. The problems are organized by concept and each section bullet points the skills needed to accomplish them. The problems are straightforward practice with word...
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Lesson Plan
Curated OER

Operations with Fractions and Decimals

For Teachers 6th - 7th
Complete a lesson plan that introduces and explores operations with fractions and decimals. Pupils estimate the reasonableness of a decimal computation. Then discuss what operation is needed to find an answer. Handouts, web sources, and...
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Lesson Plan
Curated OER

In the Ballpark

For Teachers 6th - 8th
Middle schoolers practice estimation skills with the video series "Interactions: Real Math, Real Careers". They complete a hands-on activity for estimating large numbers.
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Lesson Plan
Curated OER

Does Sunlight Effect Leaf Size?

For Teachers 4th - 6th
Students make estimates and then measure leaves for accuracy. They calculate the area of the leaves by drawing an outline on graph paper and counting the squares. They compare the leaves exposed to sunlight to those that are in constant...

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