# Estimating and Rounding - Worksheets

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## Introduction to Place Value - Level 1

This one page worksheet introduces place value. Students learn what place value is and practice recognizing each place in a number.

Helpful idea: Students should recognize the pattern, Ones, Tens, Hundreds. It is in every group as the numbers get larger.

## Introduction to Place Value - Level 2

This one page worksheet continues place value. Students study the ones and thousands groups and practice recognizing each place in a number.

Student misunderstanding: Students try and memorize every place value instead of learning the pattern of Ones, Tens, Hundreds. They are in every group no matter how high the number gets.

## Introduction to Place Value - Level 3

This one page worksheet continues place value. Students study the ones through billions groups and practice recognizing each place in a number.

Student misunderstanding: Don't forget the pattern of Ones, Tens, Hundreds. They are in every group no matter how high the number gets.

## Place Value Practice - Level 1

This one page worksheet covers place value. Students answer various questions on place value up to thousands.

Key concept: Understanding the value of a digit in a number, and being able to write and recognize numbers in word form.

## Place Value Practice - Level 2

This one page worksheet covers place value. Students answer various questions on place value up to millions.

Key concept: Understanding the value of a digit in a number, and being able to write and recognize numbers in word form.

## Place Value Practice - Level 3

This one page worksheet covers place value. Students answer various questions on place value up to trillions.

Key concept: Understanding the value of a digit in a number, and being able to write and recognize numbers in word form.

## Estimation - Video

This video covers estimation. The video is meant to be used as an introduction or review video, and is designed to entertain and teach students while they work on the handout. It is perfect for students between 3rd and 5th grade, or year 4 to year 6. The video covers estimation, rounding, and sampling. It introduces the ideas and how they are used in the real world. The video is about 40 minutes long, and we feel it is perfect for a substitute or rainy day.

NOTE: The video link below will take you to VIMEO. It is a website where the video is being hosted. You can also find it on YouTube.

Video      Estimation

## Estimation - Level 2

This two page worksheet reviews estimation. It covers estimation, rounding, and sampling. The worksheet includes basic practice and an Answer, Find, and Shade Activity.

Important note: This handout is designed to go with an Estimation Video which is currently located on VIMEO and YouTube, but can also be used alone.

## Rounding - Level 1

This two page worksheet covers basic rounding. It uses number lines to help students visualize where the actual number is. Students should already know their place value up to one thousand and be able to read a number line.

Student misunderstanding: Lots of students get confused with rounding. Relate it to estimating, and use number lines for visualization.

## Stained GlassRounding Review - Level 1

This art worksheet reviews rounding. Students round to the nearest ten, hundred, and thousand. Each student chooses their own colors to create a unique art project.

Helpful idea: Students should be able to color or shade in shapes neatly, but if students are struggling with the art use it as extra credit to motivate practice.

This one-page art worksheet has two pictures hidden inside. Students will need to round each number to a specific value. They must answer all the questions but choose between shading in the odd or even numbered problems to generate one of the two different pictures hidden in the worksheet.

## Estimating - Level 1

This one page HALLOWEEN worksheet is an estimation practice page. Students estimate the problems to the nearest whole number. After they answer the problems they shade in the corresponding shapes to create a scary picture.

Key concept: Students need to understand the difference between whole numbers and decimals (pieces).

This one page worksheet covers basic addition with estimation. It uses two digit numbers to introduce the concept.

Key concept: Even though some of these problems can be done mentally, students should be practicing their estimating skills. They should be showing their work for each problem.

## Subtraction using EstimationLevel 1

This one page worksheet covers basic subtraction with estimation. It uses two digit numbers and order of operations to introduce the concept.

Key concept: Even though some of these problems can be done mentally, students should be practicing their estimating skills. They should be showing their work for each problem.

## Multiplication using EstimationLevel 2

This one page worksheet uses one and two digit multiplication to introduce estimation.

Helpful hint: When you're multiplying by multiples of 10 you can multiply the counting numbers and then add the 0's to the final answer. Example: 30 x 50 can be solved by multiplying the 3 and 5, and then adding the two zeros to the 15. Answer: 1,500.

## Division using EstimationLevel 2

This one page worksheet divides by one and two digit numbers to introduce estimation.

Helpful hint: As the numbers get bigger it helps to refer to the numbers as tens. Example: 718 ÷ 92 can be estimated to 720 ÷ 90, which means you have 72 tens ÷ 9 tens or 72 ÷ 9 = 8. So 718 ÷ 92 is about 8.

This free art worksheet reviews basic arithmetic (add, subtract, multiply, and divide) and estimation.

Student misunderstanding: Students should estimate before doing any operations. Example: 13+29 should be estimated to 10+30=40, NOT 13+29=42 and then estimated to 40.

## Stained GlassEstimating Fractions - Level 2

This art worksheet covers estimating fractions. Students need to estimate the mixed numbers to the nearest whole number and then solve. Each student chooses their own colors to create a unique art project.

Student misunderstanding: Estimating is something to make your life easier, so students need to estimate before trying to solve the problem.

## Word Problems - Estimation Level 2

This one page worksheet covers estimation using word problems.

Key concept: Students use their knowledge of estimation to solve real life problems.

## Estimating Square Roots - Level 1

This one page worksheet introduces estimating squaring roots of irrational numbers (not perfect squares). Students estimate the square root to the nearest whole number.

Key concept: Students need to be able to estimate square roots of irrational numbers and know perfect squares.

## Sampling - Word ProblemsLevel 1

This one page worksheet introduces sampling. It includes random sampling word problems that ask students to make inferences about the whole population.

Key concept: Understand that statistics and estimation can be used to gain information about a population by examining a sample of the population.

## Sampling - Word ProblemsLevel 2

This one page worksheet covers sampling. It includes random sampling word problems that ask students to make inferences about the whole population.

Key concept: Understand that statistics and estimation can be used to gain information about a population by examining a sample of the population.

## Sampling - Word ProblemsLevel 3

This one page worksheet finishes sampling. It includes random sampling word problems that ask students to make inferences about the whole population.

Key concept: Understand that statistics and estimation can be used to gain information about a population by examining a sample of the population.