Curated OER
Estimate Sums and Differences
In this estimating sums and differences practice learning exercise, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Estimate Sums and Differences
For this word problem worksheet, 4th graders answer 6 word problems by writing mathematical sentences that show each answer. They work with distances and time.
Curated OER
Estimate Sums
In this estimating sums worksheet, students solve the six word problems using the information within the problem to estimate the sums.
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.
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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: Reteach
In 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 the...
Curated OER
Show What You Know: Estimate: Enrichment
In this estimating sums instructional activity, 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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Estimate Sums: Homework
In this estimating sums instructional activity, 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 instructional activity, 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.
Curated OER
What Do You Think?
In 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...
Curated OER
Addition and Estimation
In this addition and estimation activity, students complete 3 sections in which they use estimation and addition to solve the problems. There are 8 problems on this activity and students can check their answer by clicking on the Check...