Curated OER
Estimation in Real Life Problems
In this estimating measurements worksheet, students solve 15 real life application problems. Students estimate heights and sizes of objects and figure out if estimated numbers are reasonable. This page is intended to be an online...
Census at School
Just How Old Are You?
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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Customary Units of Length
In this customary length worksheet, students solve 4 problems where they must choose the better estimate of length. Students solve 12 problems where they must compare, convert and order customary lengths.
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Equal Estimates- Decimals
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.
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Estimate Differences
In this estimation worksheet, students solve a total of 6 word problems that involve rounding to a given place value and estimating.
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Estimate Differences
In this estimating differences worksheet, students estimate differences by rounding to the nearest hundred. Answers are included on page 2.
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Estimated Distances
In this estimating distances activity, students examine a mileage table and respond to 6 questions that require them to use their subtraction skills.
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Estimate the Sum
In this estimating instructional activity, students round numbers to the nearest ten and estimate sums in a total of 9 problems. Answers are included on page 2.
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Estimate the Sum
For this estimating sums worksheet, students round each number in addition problems to the nearest hundred and solve. Answers are included on page 2.
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Estimate the Sum
In this rounding to find the sums instructional activity, students round to the nearest thousandths and add. Students solve nine problems.
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Estimate Division
For this estimate division worksheet, students estimate by rounding each number in a division problem to the nearest ten. Answers are included on page 2.
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Estimate Products
In this estimating products worksheet, students round factors in problems to the nearest ten and solve. Answers are included on page 2.
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Worksheet 19
In this math worksheet, students try to fit a line to a set of data. Then they use the least squares method is based on minimizing the sum of the squares of the errors.
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Estimate Weight or Volume
In this estimation with weight and volume worksheet, 5th graders solve and complete 6 problems that include estimating objects. First, they determine which item illustrated weighs more. Then, students determine which figure illustrated...
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Estimate the Number of Objects
In this estimating the number of objects activity, 7th graders complete 12 different problems that include estimation of numbers. First, they guess how many of each object there is in each problem. Then, students check their work by...
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Mystery Stars: Estimating Whole Numbers Using Fractions Shown on Sectors of a Circle
In this set of fraction worksheets, learners cut out 6 pages of circles that show fractions with stars covering different sections of circles. They show one section of the circle in order to estimate the whole number of stars by looking...
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Estimate the Proper Fractions
In this estimation worksheet, students estimate 7 given fractions to the nearest whole number. Answers are included on page 2.
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Estimate to the Nearest Ten
In this estimation worksheet, students estimate a set of 10 numbers to the nearest 10. A reference website for additional resources is given.
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Money and Change
In this money and change worksheet, students read about multiplying with money, then solve 4 problems, estimating first. Students then study 3 charts and write number sentences.
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Estimate and Check
In this estimation worksheet, students estimate numbers of items shown in pictures, then circle given groups of items, count and write totals.
Math Mammoth
Measuring Length: Metric
In this mathematics learning exercise, 3rd graders draw lines for each measurement. Then they measure the lines to the nearest centimeter. Students also use a ruler, a measuring tape, and measure small items and longer items.
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Find the Missing Products
In this multiplication learning exercise, students solve 40 problems in which two and three digit numbers are multiplied by single digits. Students are encouraged to use estimation to do mental math. This page is intended as an online...
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Dot's Dot
In this math estimation worksheet, learners estimate how many centimeters it is from each dot in a dot to dot puzzle. Students then use a ruler to measure exactly.
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Problem-Solving Decisions: Estimates or Exact Answers
For this problem solving worksheet, students examine 2 math word problems taking care to decide whether they should estimate answers or find exact answers