Curated OER
Estimating
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...
Curated OER
Estimate Differences
For this estimation worksheet, students solve a total of 6 word problems that involve rounding to a given place value and estimating.
Curated OER
Estimate Sums
In this estimating sums worksheet, students solve 6 word problems where they estimate the sum of 3 digit numbers by rounding to the nearest 10, 100 or 1000.
Curated OER
Estimate Differences
In this estimating differences instructional activity, students estimate differences by rounding to the nearest hundred. Answers are included on page 2.
Curated OER
Estimate Division Worksheet
In this estimating division practice worksheet, students solve 8 problems that require them to estimate the division by rounding the numbers in the problems to the nearest 10.
Curated OER
Estimate the Sum
In this rounding to find the sums worksheet, learners round to the nearest thousandths and add. Students solve nine problems.
Curated OER
French Fry Fun: Estimating and Measuring
Third graders demonstrate their estimating and measuring abilities. In this length measurement lesson, 3rd graders produce estimates of how long a handful of French fries will be before physically measuring them. Students graph their...
Curated OER
Four Estimating the Area of Small Objects Problems
In this estimating area worksheet, students work with their families to draw four small objects found around their house and estimate the area of each object.
University of Waterloo
Rounding and Estimating 1: Introduction
Pupils practice mental math skills in math drills. They play the online interactive game "Rounding Off" to practice rounding off different numbers. Afterward, they complete a paper based follow up exercise for reinforcement.
Curated OER
Estimate the Product
In this multiplying and estimating the products instructional activity, students find the products and round them to the nearest hundred. Students solve nine problems.
Curated OER
Quick Quiz: Estimating and Rounding
In this rounding and estimating worksheet, 5th graders solve 8 addition, subtraction, and rounding problems. Problems ask students to solve, round, estimate, or write the words in number form after reading the word form.
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
Rounding Numbers
In this rounding numbers worksheet, students, with a partner, problem solve and calculate the answers to eighteen mathematical exercises.
International Technology Education Association
Sizing Up the Clouds
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...
EngageNY
Sampling Variability
Work it out — find the average time clients spend at a gym. Pupils use a table of random digits to collect a sample of times fitness buffs are working out. The scholars use their random sample to calculate an estimate of the mean of the...
EngageNY
Sampling Variability in the Sample Mean (part 1)
How accurate is data collected from a sample? Learners answer this question using a simulation to model data collected from a sample population. They analyze the data to understand the variability in the results.
Curated OER
Estimating Differences (Online Interactive)
In this estimating worksheet, students solve 20 problems in which two or three digit numbers are subtracted after rounding. Students round each number and then give an estimated answer. This is an online interactive worksheet.
Curated OER
Estimate Sums: Practice
In this estimating sums instructional activity, learners 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
Further Rounding
In this rounding off worksheet, students determine if 8 statements could be rounded off to the nearest ten, hundred, thousand, ten thousand, hundred thousand or million. Students draw and complete a table of 5 numbers, rounding the...
Curated OER
Rounding and Estimation
Fifth graders participate in a lesson that is focused on rounding and estimating using word problems. They review how to read word problems, find the right operator, and use the new skills to solve problems.
Curated OER
Rounding and Estimation
In this rounding and estimating worksheet, students learn how to round numbers up and down. They also read about using estimations to quickly calculate answers to difficult math problems. Students then solve the 12 rounding questions in...
Curated OER
Rounding and Estimating
For this rounding and estimating worksheet, students solve 18 rounding and estimating problems. Students solve problems without a calculator.
Curated OER
Estimate Sums
In 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.