Curated OER
Number Sense and Operations
In this number sense and operations activity, 5th graders solve 17 different types of problems that include estimation and determining the exact answer of an equation. First, they determine the sum of two numbers closest to one listed....
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Estimating the Product to a Multiplication Problem
In this middle school mathematics worksheet, students round whole numbers to the nearest leading digit and then multiply to obtain an estimate of the product. The one page worksheet contains ten problems. Answers are not...
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Round Each Number to the Nearest Ten
For this problem solving worksheet, 2nd graders practice rounding off 15 2 and 3 digit whole numbers to the nearest ten. Students write their answers on the lines provided.
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Estimating on a Number Line
In this estimation and number lines worksheet, students look at and study 3 number lines and determine where the arrows are pointing on each line. Students then write that number right above each of the 12 arrows.
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Estimating Practice
In this number sense worksheet, students examine the picture and estimate the number of ants in the picture.
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Estimation With Whole Numbers
In this elementary math worksheet, learners find the answers to the 10 problems written in the multiple choice format in order to develop critical thinking skills.
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Mountain Math Worksheet
In this number sense worksheet, 5th graders solve 37 problems based on a given number. Students are asked to round the number, identify the number as even or odd and add 100 to the number.
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.
Kuta Software
Proportion Word Problems
In this proportion word problem worksheet, students read real-life problems and solve proportions. This four-page worksheet contains 18 problems. Answers are provided on the last page.
Curated OER
Everyday Mathematics: Ballpark Estimates
In this estimating practice worksheet, students sharpen their math skills as they learn how to make likely estimates and try the 2 extra practice activities.
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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...
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Numerical Analysis/ Examples of Round Off Errors
In this math learning exercise, students practice computing the errors for rounding off and use the skill of analysis to find the true solutions.
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Show What You Know: Estimate: Enrichment
In this estimating sums learning exercise, students write a greater than or less than sign to solve the addition sentences. Students first use estimation to help them compare the numbers.
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Round to Nearest 10-Hundreds Chart
For this rounding worksheet, students round part of a hundreds chart up to the nearest 10 and the remaining part down. A website reference for additional resources is given.
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Round Each Number to the Nearest 100
In this math worksheet, students round 3 digit numbers to the nearest 100. In the chart students analyze the 3 digit number, check whether it should be rounded up or down, then write the rounded number.
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Number Sense Worksheet
In this number sense activity, students find numbers that are between fractions, complete subtraction problems, complete multiplication problems and more. Students complete 6 problems.
Curated OER
Estimating Quotients
In this estimating quotients worksheet, learners solve 20 different problems that include estimating a variety of quotients in each. They divide each whole number and then estimate the answer in each problem to the nearest whole number.
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Math Maven's Mysteries: Race Against Captain Devious
In these math word problem worksheets, students help solve the mystery about the 'Race Against Captain Devious.' Students must solve the distance travel word problem using kilometers and rounding their answers to the nearest whole number.
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Round to the Nearest Thousand
In this rounding worksheet, students examine 9 different numbers, write the 2 numbers each number falls between and then round each number to the nearest thousand. Next, students solve 15 fill in the blank problems where they round...
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Estimate Sums: Reteach
For this estimating sums worksheet, learners 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. Learners estimate the sums and write the numbers on...
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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.
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Estimate Sums: Homework
In this estimating sums activity, students round each addend to the nearest ten using the number lines. Students then estimate the sum for each addition problem.
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.
Curated OER
Place Value Worksheet
In this place value worksheet, students write the name of the place value up to the 7th place, name the place of the 5 in each problem, and round numbers to the nearest 10. Students complete 20 problems.