Curated OER
Rounding Whole Numbers; Estimating Sums And Differences
In this rounding whole numbers and estimating sums and differences worksheet, students problem solve and calculate the answers to forty two mathematical equations.
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Estimating Sums of Money
By rounding, scholars find that adding money amounts becomes a breeze! They round two and three-digit numbers (with decimals) in these addition problems to get approximate sums. For each, mathematicians write the new addition equation...
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Estimating Sums and Differences
Work on rounding, estimating, adding, and subtracting with a helpful math instructional activity! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate...
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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
Estimating Sums and Differences
In this math worksheet, learners 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...
EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson plan in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...
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.
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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...
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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.
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Estimate Sums: Problem Solving
In this estimating sums worksheet, students use the table with point totals from a ring toss game. Students use the total points to estimate the sums for each word problem.
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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.
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Estimate Sums
In this estimating sums worksheet, students solve the six word problems using the information within the problem to estimate the sums.
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Estimating Sums
In this estimating to ten and hundred activity, 3rd graders estimate 16 math problems by rounding to the nearest ten and 4 by rounding to the nearest hundred. Students answer 1 word problem and 2 multiple choice questions relating to...
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Estimating Sums and Differences
For this estimation worksheet, 4th graders estimate the sum or difference of 15 math problems. Students write their answers underneath each math problem on the worksheet.
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Estimating Fractions and Sums
What is a quick comparison, and how can it help you estimate sums and differences? For this estimation instructional activity, learners estimate fractions in addition problems. They complete four problems where they estimate the sums...
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Show What You Know: Estimate: Enrichment
In this estimating sums worksheet, learners 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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What Do You Think?
For this estimating sums and differences worksheet, learners solve 6 problems in which the answer to a 3 digit addition or subtraction problem is estimated. Students then solve the problem for an exact answer. There will be carrying and...
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Approximate Answers by Rounding
In this rounding off learning exercise, students calculate the approximate answers for 10 addition, division or subtraction math problems, questions and/or statements.
Curated OER
Rounding to the Nearest Ten
In this rounding learning exercise, students complete the thought process sentences and round numbers to the nearest ten. Students round twenty-four problems.
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Estimating Sums
In this estimating sums worksheet, students, working with a partner, practice problem solving five word problems involving estimation.
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Estimate Sums and Differences
In this word problem activity, 4th graders answer 6 word problems by writing mathematical sentences that show each answer. They work with distances and time.
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Estimate the Sum
In this estimating sums worksheet, students round each number in addition problems to the nearest hundred and solve. Answers are included on page 2.
Curated OER
Estimating Sums and Differences
In this estimation of sums and differences learning exercise, 7th graders solve 20 different problems that are related to estimation of numbers. They add or subtract each problem as shown. Then, students estimate the sums and differences...
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Decimals test
In this decimals instructional activity, students complete a test asking them questions on rounding, sums, and metric units involving decimals. Students complete 20 problems.
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