Curated OER
Equal Estimates- Decimals
In this decimal estimation worksheet, students 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.
Curated OER
Comparing Distances
Students practice estimating distances by analyzing a map. In this length measurement lesson, students view a map with a distance key and use their measurement skills to estimate the distance between two cities. Students utilize an...
Curated OER
Estimated Distances
In this estimating distances learning exercise, students examine a mileage table and respond to 6 questions that require them to use their subtraction skills.
Curated OER
Estimate the Sum
In this estimating worksheet, 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
In this rounding to find the sums learning exercise, students round to the nearest thousandths and add. Students solve nine problems.
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Estimate Division
In this estimate division learning exercise, learners estimate by rounding each number in a division problem to the nearest ten. Answers are included on page 2.
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How Many Blades of Grass in a Football Field?
Students, by taking a sample count from a small area, estimate the total number of blades of grass in a football field. They use a cardboard from, the inside of which measures 1 square foot to do their calculations.
Curated OER
Measuring Scavenger Hunt
Students participate in a measuring scavenger hunt. Students choose items around the room to estimate and measure. Students try measuring with their hands and compare with other students who did the same. Students discuss why their...
Curated OER
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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Estimate How Many Seeds Are In a Fruit or Vegetable
Help mathematicians estimate how many seeds are in a given vegetable or fruit. They are divided into pairs and estimate the amount of seeds in a whole fruit without seeing the inside. They then cut the fruit or vegetable in half and...
Curated OER
Can You Guess
Students develop useful strategies for mental calculation when estimating possible addition solutions. They mentally perform calculations involving addition and subtraction. Students state the estimated sum or difference between numbers.
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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 instructional activity, students estimate numbers of items shown in pictures, then circle given groups of items, count and write totals.
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Wrapped Up In A Kiss!
Students use the wrapper of a Hershey's Kiss to practice estimating, predicting and measuring. They measure with centimeter rulers.
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Multiplication Strategies and Writing Story Problems
Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...
Math Mammoth
Measuring Length: Metric
In this mathematics worksheet, 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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Sizing Up Spout
Students estimate heights and lengths of objects. In this measurement lesson, students estimate the length and height of various objects using non-traditional tools of measurement. This lesson also includes a video clip on measurement.
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Find the Missing Products
In this multiplication worksheet, 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 activity,...
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Dot's Dot
In this math estimation worksheet, students estimate how many centimeters it is from each dot in a dot to dot puzzle. Students then use a ruler to measure exactly.
Common Core, Inc.
Multi-Digit Whole Number Subtraction
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
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Guess The Weight
For this weight learning exercise, students match pictures of products with their correct weights given, 11 total. An answer key and reference web site are provided.
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Telling Time as an Everyday Use of Numbers
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.
Curated OER
Measuring Angles
Third graders describe an amount of turn from a particular position to another using the 'circular' benchmarks of 0, ++, ++, ++, and full turn. Estimation language such as 'just about', 'between', 'not quite', 'just over', and similar...