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Lesson Plan
Curated OER

Place Value Practice (Tenths and Hundredths)

For Teachers 5th - 7th
Math scholars recognize place value and practice writing numbers in different forms, such as expanded notation, decimals, and improper fractions. They complete exercises that include creating models for fractions and decimals and...
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Worksheet
Curated OER

Place Value Again

For Students 4th - 8th
Learners break down numbers with decimals into ones, tenths, and hundredths, and convert decimals to fractions and fractions to decimals. They complete five sets of problems.
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Worksheet
Curated OER

The Decimal Game

For Students 4th - 5th
In this decimal game worksheet, students first shade the base-ten blocks to show the given decimal numbers. In the second set, students write the number words into standard form. In the third set, students write the place value position...
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Lesson Plan
Curated OER

Number Base Clocks

For Teachers 4th - 9th
Students investigate place value in base ten. In this number sense lesson, students participate in an online lesson at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base ten to other...
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Lesson Plan
Curated OER

Identifying Place Value

For Teachers 5th - 6th
In this identifying place value worksheet, students identify the place value (from ones to thousandths) of decimal numbers for each underlined digit. This one-page worksheet contains 2o problems. Answers are provided on the same page.
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Lesson Plan
Illustrative Mathematics

Converting Decimal Representations of Rational Numbers to Fraction Representations

For Teachers 7th - 9th Standards
A rational number is a ratio of two integers. Discuss with your class how to convert the rational numbers of repeating decimals to fractions. A good commentary on letting x equal the repeating decimal and multiplying each side of such...
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Worksheet
Common Core Sheets

Finding Percent of a Decimal

For Students 4th - 6th Standards
Math sleuths find ways to solve problems to the nearest hundredth. These worksheets enable them find the percent of a decimal and is great for practice/reinforcement of this skill. 
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Printables
Chapman University

Exact Values Poster

For Teachers 6th - 12th Standards
Go to infinity and beyond and see what a repeating decimal actually looks like as it goes on and on and on and on. The poster uses rational numbers, imperfect squares, and the always popular π.
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Worksheet
National Security Agency

Go One-on-One with Decimals

For Students 4th - 5th Standards
Shoot and score with three basketball-themed lessons about decimals. Young mathematicians compare game statistics, make trash can hoops, and play a data spinner game to practice identifying digits and values within decimal numbers.
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Handout
Charleston School District

Comparing and Ordering Irrational Numbers on a Number Line

For Students 8th - 9th Standards
Estimating the value of numbers is much harder than it sounds! Scholars compare and order the value of numbers presented in different forms including fractions, decimals, roots, integers, and pi. This builds on the previous lessons in...
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Lesson Plan
West Contra Costa Unified School District

The Power of Ten: Building a Magnitude Model

For Teachers 4th - 5th Standards
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
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Unit Plan
Houghton Mifflin Harcourt

Integers, Opposites, Absolute Value

For Teachers 5th - 7th Standards
Straight from the pages of a math textbook, this three-lesson series introduces young mathematicians to the world of integers. Starting with a definition of integers and their applications in the real world, this resource goes on to...
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PPT
Curated OER

Decimals - Tenths and Hundredths

For Teachers 3rd - 4th
One of the better presentations on teaching decimals is here for you. In it, learners practice identifying tenths and hundredths by looking at grids of 100 squares that have been shaded. Number lines are also used to give pupils a...
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Lesson Plan
EngageNY

Grade 5 Math Module 1, Topic B, Lesson 5

For Teachers 5th Standards
There is more than one way to write a number. The lesson plan provides teachers with a way to teach reading and writing decimals to thousandths using standard, expanded, and unit forms. Pupils work through in-class and homework...
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Worksheet
Curated OER

Order Decimal Fractions

For Students 4th - 5th
In this decimal numbers learning exercise, students solve 8 problems in which decimal numbers to the hundredths place are ordered. Students also tell the value of specified digits in decimal numbers and place numbers on a number line.
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Lesson Plan
EngageNY

The Decimal Expansion of Some Irrational Numbers

For Students 8th Standards
Develop a definition of irrational numbers through an exploration of square roots. The 11th lesson in this series of 25 asks scholars to estimate the value of a square root. Learners observe as the estimation extends further and further...
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Lesson Plan
Code.org

Binary Numbers

For Teachers 9th - 12th
All you need is a zero and a one. Build pupils' understanding of binary values and number systems to gain familiarity with binary numbers. Using a hands-on activity and technology, scholars learn how the binary system works and its place...
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Lesson Plan
EngageNY

Decimal Expansion of Pi

For Students 8th Standards
Develop a better understanding of the value of pi. Learners explore the area of a circle using estimation and graph paper. While continuing to estimate the area of the circle using smaller and smaller grids, the number pi emerges. 
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Interactive
CK-12 Foundation

Numbers with Decimal Place Value: Battleship Decimals

For Students 6th - 8th Standards
Decimal place value is the topic of a Battleship themed-interactive. Scholars answer five questions—multiple-choice and true or false—while referencing a grid that acts as the board game. The practice concludes with a discussion question. 
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Interactive
CK-12 Foundation

Decimal Rounding Given Place Value

For Students 6th Standards
Tests mathematicians' knowledge of decimals, place value, and rounding with a five-question interactive. A tool with movable parts assists scholars in answering questions—multiple-choice and true or false.  A discussion question...
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Lesson Plan
Virginia Department of Education

Powers of Ten

For Teachers 7th Standards
Investigate negative exponents of-ten. Pupils use the pattern of increasing powers of 10 to determine negative powers of 10. The scholars write the powers in expanded and product forms and make the connection to exponents using a...
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Interactive
CK-12 Foundation

Scientific Notation Values

For Students 6th - 8th Standards
Scientific notation is the focus of a five-question interactive. A model with movable points offers a visual reference to help solve true or false, multiple-choice, and fill in the blank questions. A discussion question challenges...
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Worksheet
Curated OER

Dividing Decimals by Powers of Ten (A)

For Students 5th - 7th
Upper elementary and middle school learners solve a number of problems by dividing decimals by powers of ten. There are 45 problems to solve on the sheet.
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Worksheet
Curated OER

Decimals and Place Value

For Students 5th - 6th
Students can practice sorting and rounding decimals in this review activity, which features several examples of each skill as well as twenty-two practice exercises. This instructional activity will also work well in an electronic format,...