Interactive
Curated OER

Estimating Before Multiplying

For Students 4th - 6th
In this estimating before multiplying worksheet, students interactively answer 10 multiple choice questions about estimating, then click to check their answers.
Lesson Plan
Curated OER

Solving Problems

For Teachers 2nd
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation instructional activity, 2nd graders solve real life problems to understand estimation and money problems.
Lesson Plan
Curated OER

Why Guess When You Can Estimate

For Teachers 3rd - 6th
They apply various strategies in their estimations. They analyze the differences between guessing and estimating. They estimate the number of beans and jellybeans in egg cartons and jars respectively.
Lesson Plan
Curated OER

Ready to Round

For Teachers 1st
First graders are introduced to the concept of rounding to the nearest ten through the use of a number line created from a hundreds chart.
Worksheet
Curated OER

Probability Games and Activities, Unit 10

For Students 4th - 6th
Looking for tangible ways to practice probability with your class? Through 4 activities, students practice with experimental probability, using math to make educated guesses, then testing it through physically completing the experiment....
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.
Worksheet
Curated OER

High School Mathematics Problems from Alaska: Cigarette Smoking

For Teachers 9th - 12th
Learners analyze the monetary cost associated with smoking. Students use statistics to determine life expectancy and cost associated with smoking.
eBook
CK-12 Foundation

CK-12 Middle School Math Concepts - Grade 6

For Students 6th Standards
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
Worksheet
Curated OER

Online Math Problems and Estimation

For Students 5th - 6th
In this online math problems worksheet, students complete a variety of exercises including finding the missing numbers in eight math problems, two money and estimation calculations and estimating the difference in ten math problems by...
Worksheet
Curated OER

Grade 5 Math: Fractions, Decimals, Percents 1

For Students 5th
In this grade 5 learning exercise, 5th graders round off 3,485,379.195 to the assigned place values. They round to millions, hundred thousands, thousandths, tenths, and thousands.
Lesson Plan
Curated OER

Playing with Remainders

For Teachers 5th
Fifth graders explore how people handle remainders in real life. In this remainders math activity, 5th graders participate in skits to show what to do with remainders. Students complete worksheets with word problems.
Worksheet
Curated OER

Equal Estimates- Decimals

For Students 3rd - 5th
In this decimal estimation instructional activity, learners estimate a set of addition and subtraction problems, rounding to the nearest whole number, then place each problem in the box that contains its estimated sum or difference.
Lesson Plan
Indiana Science

How Many E’s?

For Teachers 6th - 8th Standards
Seventh graders explore random sampling by estimating the number of e's on the newspaper. They explain the possible error sources for this type of sampling, and compare the accuracy of sampling a small and large population. This is a...
Worksheet
Curated OER

Math in English Skills VI Exercise Book

For Students 1st - 6th
If you need a comprehensive math packet specifically intended for learners who are struggling with fractions, look no further. Individuals will be able to practice comparing, simplifying, adding, and subtracting fractions in an enjoyable...
Lesson Plan
Curated OER

Carbon Dioxide Exercise

For Teachers 9th - Higher Ed
Students work in groups, plotting carbon dioxide concentrations over time on overheads and estimating the rate of change over five years. Stacked together, the overheads for the whole class show an increase on carbon dioxide over five...
Lesson Plan
EngageNY

Square Roots

For Students 8th Standards
Investigate the relationship between irrational roots and a number line with a resource that asks learners to put together a number line using radical intervals rather than integers. A great progression, they build on their understanding...
Activity
International Technology Education Association

Sizing Up the Clouds

For Teachers 6th - 8th Standards
How much rain can that cloud make? Through a simulation, the class estimates the amount of candy rain contained in different cup clouds. After probing the clouds using different methods, class members adjust their estimates. Participants...
Lesson Plan
Mathematics Assessment Project

Modeling: Making Matchsticks

For Teachers 8th Standards
Math: The only subject where the solution to a problem is seven million matches. Young scholars first complete an assessment task estimating the number of matches they can make from a tree of given dimensions. They then evaluate provided...
Worksheet
Curated OER

Estimate the Proper Fractions

For Students 3rd - 5th
In this estimation worksheet, students estimate 7 given fractions to the nearest whole number. Answers are included on page 2.
Lesson Plan
Curated OER

Make a 100

For Teachers 2nd
Second graders develop an understanding of 100 and the quantity for which it stands and examine the relationship between 100 and 10 by estimating the number of jelly beans in a jar.
Lesson Plan
Curated OER

Covering and Surrounding

For Teachers 5th - 6th
Students develop techniques for estimating the area of a circle and use ideas about area and perimeter to solve practical problems. For this area and perimeter lesson, students apply the concepts of perimeter and area to the solution of...
Lesson Plan
Alabama Learning Exchange

Lining up the Decimals

For Teachers 5th Standards
Fifth graders order decimals from least to greatest and greatest to least. In this decimal order instructional activity, 5th graders complete an online review of comparing 2 digit numbers. Students then complete a decimal order card game...
Worksheet
Curated OER

Decimal Division Level 2

For Students 4th - 5th
In this math learning exercise, students solve twelve decimal division problems. The dividends of each problem have decimals in the tenths place.
Worksheet
Curated OER

Multiplication of Decimals

For Students 2nd - 5th
In this multiplication of decimals worksheet, students problem solve twenty five equations that deal with multiplication of decimals and rounding answers to the nearest whole number.