These activity sheets will teach your students how to correctly determine the error of estimation.

#### Estimating in the business world is a fundamental skill that all managers use to get an assessment of what they are doing right and wrong. Making smart decisions based on data is key to anyone that is trying to get ahead in the 21st century economy. Students will quickly learn how effective estimation creates opportunity through this series of sheets. The worksheets start by giving students a quick understanding of what place value they should round their numbers to. These worksheets work on estimate answers using rounding, then determine the difference between the estimated answers and the actual answers, which is called the error of estimation.

These worksheets explain how to estimate totals by rounding numbers to the next tenth or hundredth. Students practice their estimation skills and check their work by solving the problem.

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## Estimate by Rounding Numbers

This worksheet explains how to estimate by rounding numbers. The step-by-step solution to a sample problem is provided.

## Estimating Numbers

A sample problem is presented and solved step by step. Two similar practice problems are provided.

Students will estimate answers to simple problems by rounding numbers to the nearest tenth. They will then solve each problem and compare their estimate to the actual answer.

## Estimate and Solve

Students will estimate answers and then solve problems to find the answer. Ten problems are provided.

## Estimation Practice

Students estimate the answers to simple addition/subtraction problems before solving for the exact answer. Includes eight problems.

## Estimating Warm Up

Students study a set of numbers and estimate their total. Three problems are provided.

Students estimate the answers to double digit addition problems and then solve for the actual answer. Eight problems are provided.

Before solving double digit addition problems, students estimate the answers. Eight problems are provided.

## Estimate vs. Actual Subtraction

Students estimate the answers to double digit subtraction problems then solve for the actual answer. Eight problems are provided.

## Estimate, Then Subtract

Before solving double and single digit subtraction problems, students estimate the answers. Eight problems are provided.

Before solving triple digit addition problems, students estimate the answers. There are eight problems.

## Estimating in the Triple Digits: Addition

Students estimate the answers to eight triple digit addition problems. They then solve for the actual answers.

## Estimating in the Triple Digits: Subtraction

Students estimate the answers to eight triple digit subtraction problems. They then solve for the actual answers to check their work.

## Estimating Triple Digit Subtraction

Before solving triple digit subtraction problems, students estimate the answers. Eight problems are provided.

Students will round each number to the nearest ten to estimate the answer before solving to check their work. Eight problems are provided.

## Estimate the Sum of Two-digit Numbers

Students estimate the sum of three double-digit numbers to the nearest tens. They then solve for the actual sum to check their work.

## Estimate and Solve: Three Triple-Digit Addition

Students estimate the sum of three triple-digit numbers to the nearest hundreds. They then solve for the actual sum to check their work.

## Estimating: Three Three-Digit Numbers

Students estimate the answers to eight triple three-digit addition problems. They then solve for the actual answers.