Scholastic
Study Jams! Estimate Sums & Differences of Whole Numbers
Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this...
Curated OER
Estimating Fractions and Sums
What is a quick comparison, and how can it help you estimate sums and differences? For this estimation worksheet, learners estimate fractions in addition problems. They complete four problems where they estimate the sums after reviewing...
Curated OER
Estimating Sums and Differences
Work on rounding, estimating, adding, and subtracting with a helpful math activity! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...
Curated OER
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...
EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to decimals....
Curated OER
Estimating Sums and Differences
In this estimation activity, 4th graders estimate the sum or difference of 15 math problems. Students write their answers underneath each math problem on the activity.
Flipped Math
Calculus AB/BC - Approximating Areas with Riemann Sums
There are several ways to estimate the area if the curve does not create nice geometric figures. The presenter introduces the idea of using areas of rectangles to estimate the area under the curve. Pupils use four types of Riemann Sums,...
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.
Curated OER
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
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.
Curated OER
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.
Curated OER
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
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.
Curated OER
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.
CK-12 Foundation
Area Sums: Estimation with Rectangles
The more rectangles, the better the estimate. Using the interactive, pupils explore estimating the area under a curve using left-hand sums. Learners respond to challenge questions on how to get better estimates using the same technique.
Curated OER
Riemann Sums
Students calculate the area under a curve. In this calculus lesson plan, students use Riemann Sums to find the area under a curve. They apply the boundaries of intervals as they solve for each area.
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
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 and Differences
In this sums and differences worksheet, 6th graders solve 20 different problems that including the estimation of numbers in each one. They estimate the sum or difference found in each problem and write it in the space provided. Then,...
Curated OER
Estimate Sums
In this estimating sums worksheet, students solve 6 word problems where they estimate the sum of 3 digit numbers by rounding to the nearest 10, 100 or 1000.
Curated OER
Estimate the Sum
In this rounding to find the sums worksheet, students round to the nearest thousandths and add. Students solve nine problems.
Curated OER
Estimating Sums
For this estimating to ten and hundred worksheet, 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...
Curated OER
Estimating Sums and Differences
For this math worksheet, students 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...
Curated OER
Estimating Sums and Differences
In this estimation of sums and differences worksheet, 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 for...
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