Curated OER
Estimating and Counting Money
Learners explore the concepts of estimating and rounding. In this estimating and rounding lesson, students play a game of tic-tac-toe. Learners pick items and must estimate their cost by rounding. Students estimate the costs of pretend...
Curated OER
Quick Quiz: Estimating and Rounding
In this rounding and estimating worksheet, 5th graders solve 8 addition, subtraction, and rounding problems. Problems ask students to solve, round, estimate, or write the words in number form after reading the word form.
Curated OER
Estimating Decimals
In this estimation worksheet, students learn to estimate with decimal numbers by using rounding or compatible numbers. There are 10 problems.
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.
CK-12 Foundation
Tangent Line Approximation: Estimating Square Roots
Estimating a square root is as easy as evaluating a linear equation. Using the derivative of the square root function, pupils calculate an estimation of square roots. Class members determine the equation of the tangent line at the value...
CK-12 Foundation
Square Roots and Irrational Numbers: Estimating Radicals
Try out a resource using triangles to estimate radicals. An interactive app allows learners to approximate some irrational numbers involving square roots. They find the two consecutive numbers that an irrational number lies between by...
Curated OER
Estimating Sums and Differences
In this math worksheet, pupils 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 partner.
Curated OER
Estimating Differences (Online Interactive)
In this estimating worksheet, students solve 20 problems in which two or three digit numbers are subtracted after rounding. Students round each number and then give an estimated answer. This is an online interactive worksheet.
Curated OER
Estimate Sums: Practice
In this estimating sums instructional activity, learners 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: 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...
Curated OER
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.
Curated OER
Estimate the Difference
In this estimation worksheet, students complete ten estimation problems by rounding each number to the nearest ten. These are all two-digit subtraction problems.
Curated OER
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.
Curated OER
Estimate Sums
In this estimating sums activity, students solve the six word problems using the information within the problem to estimate the sums.
Curated OER
Rounding
First graders round to estimate greater sums. After a lecture/demo, 1st graders complete a web instructional activity on estimation. They practice rounding to the nearest hundred using a restaurant take-out menu.
Curated OER
Rounding and Estimation
In this rounding and estimating worksheet, students learn how to round numbers up and down. They also read about using estimations to quickly calculate answers to difficult math problems. Students then solve the 12 rounding questions in...
Curated OER
Rounding and Estimation
Fifth graders participate in a lesson that is focused on rounding and estimating using word problems. They review how to read word problems, find the right operator, and use the new skills to solve problems.
Curated OER
Rounding
In this rounding worksheet, students solve 40 problems in which whole numbers are rounded to the nearest 10. 100 or 1000. Students also round to the nearest dollar.
Curated OER
Rounding and Estimating
For this rounding and estimating worksheet, students solve 18 rounding and estimating problems. Students solve problems without a calculator.
Curated OER
Rounding Numbers
In this rounding numbers worksheet, students, with a partner, problem solve and calculate the answers to eighteen mathematical exercises.
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
Rounding Numbers
In this online interactive rounding numbers worksheet, students use their math skills to fill in the 21 blanks that require them to round to the tens, hundreds, and thousands.
Curated OER
Estimate and Count
In this estimating and counting worksheet, students observe pictures of items in boxes, estimate and record the total amount, and then count and record the total. Students solve 4 problems.
Curated OER
How’s My Estimating?
In this algebra worksheet, students complete two tables of information comparing their estimate versus actual amount with the aid of a graphing calculator. There are 12 questions.
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