Curated OER
Estimate Sums
For this estimating sums worksheet, students round numbers to the greatest place and then add them to solve 23 problems. Students also solve 2 test prep questions.
Math Mammoth
Review 1
In this mathematics worksheet, 3rd graders write the numbers for each problem. Then they write each in expanded form and the numbers from least to greatest. Students also estimate first by rounding the numbers to the nearest hundred.
Curated OER
Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
Curated OER
Estimating Sums and Differences
In this math worksheet, students learn to estimate sums and differences by completing step by step exercises. There is one word problem which is the example, and then students can choose from other estimation activities to do with a...
Curated OER
Rounding Numbers
In this online interactive rounding numbers worksheet, students use their math skills to fill in the 21 blanks that require them to round to the tens, hundreds, and thousands.
Pennsylvania Department of Education
Order, Order
Learners use pictures to identify items as ordinal numbers. In this ordinal numbers lesson plan, students use the words "before" and "after" to identify the pictures as well.
Curated OER
Estimating Quotients
Put down those calculators! Show scholars they can solve division problems mentally using rounding strategies. They divide four-digit dividends by one-digit divisors, competing 26 problems in all. The first eight have some scaffolding...
DK Publishing
Estimating
Through estimating, scholars are able to make these word problems simpler as they multiply to find approximate answers. Using an example as guidance, they solve five scenarios, each of which has space for learners to show their work. The...
Curated OER
Estimating and Rounding-Pretest Questions
In this estimating and rounding worksheet, learners complete a set of 10 multiple choice questions. Students may click on a link for answers or to print page.
Curated OER
Estimate Sums: Practice
In this estimating sums worksheet, students round each addend to the nearest ten and then estimate the sums. Students finish with one test prep question by estimating for the sum.
Curated OER
Estimate Sums: Homework
In this estimating sums worksheet, students round each addend to the nearest ten using the number lines. Students then estimate the sum for each addition problem.
Curated OER
Estimation and Approximation
In this estimation and approximation worksheet, students determine the estimated value of given multiplication and division problems containing decimals. They round answers to the nearest whole number. This two-page worksheet contains 11...
Curated OER
Find The Best Estimate
In this math worksheet, students find the best estimate by using the skill of rounding. The answers are written in the spaces at the bottom of the page.
Curated OER
Estimate Sums: Reteach
In this estimating sums worksheet, students review two steps to help them estimate to find sums. Students then round each addend to the nearest ten and use the number line for help. Students estimate the sums and write the numbers on the...
Curated OER
Estimating Sums and Differences
In this estimation instructional activity, 4th graders estimate the sum or difference of 15 math problems. Students write their answers underneath each math problem on the instructional activity.
Curated OER
Estimate Sums and Differences
In this estimating sums and differences practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Calories in a sports drink
How much can a company round numbers without being misleading? Learners investigate the accuracy of claims made by a sports drink company. Teachers could easily modify the activity by bringing in their own beverage bottles, or by taking...
Curated OER
Estimating Products
In this math worksheet, students round numbers to their leading digit. They multiply the results to find the estimation of the exact answer. Students estimate and then find the exact answer on six problems.
Curated OER
Tzedakah: How Can We Help?
Students define what constitutes a nutritious meal, the price of a healthy meal, and understand that some people can't afford healthy meals. In this healthy meals lesson, students estimate and research the cost of a nutritious meal, add...
K12 Reader
Estimation
When is it a good idea to use estimation? Learn about estimation and rounding with a reading comprehension lesson. After kids read a passage about estimation, they answer five comprehension questions on the other side of the page.
Bowland
Royal Liver Clock
Using clocks as dining tables? Scholars estimate the number of people that can sit around the face of the clock on the Royal Liver Building in Liverpool. They use estimation to justify their responses.
EngageNY
Why Worry About Sampling Variability?
Are the means the same or not? Groups create samples from a bag of numbers and calculate the sample means. Using the sample means as an estimate for the population mean, scholars try to determine whether the difference is real or not.
Curated OER
Everyday Mathematics: Rounding
In this rounding practice worksheet, pupils sharpen their math skills as read tips pertaining to rounding numbers and try the extra practice activities.
Curated OER
Multiplication Estimation
In this multiplication estimation worksheet, students solve 10 multiple choice questions where they round numbers then estimate the product of multiplication problems with 2, 3, and 4 digit numbers. The worksheet is interactive and...