Curated OER
Place Value Practice (Tenths and Hundredths)
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...
Curated OER
Place Value Again
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.
Curated OER
The Decimal Game
In this decimal game activity, learners 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, learners write the place value position...
Curated OER
Number Base Clocks
Students investigate place value in base ten. In this number sense instructional activity, students participate in an online instructional activity at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to...
Curated OER
Identifying Place Value
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.
Illustrative Mathematics
Converting Decimal Representations of Rational Numbers to Fraction Representations
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...
Common Core Sheets
Finding Percent of a Decimal
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.
Chapman University
Exact Values Poster
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.
National Security Agency
Go One-on-One with Decimals
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.
Charleston School District
Comparing and Ordering Irrational Numbers on a Number Line
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...
West Contra Costa Unified School District
The Power of Ten: Building a Magnitude Model
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.
Houghton Mifflin Harcourt
Integers, Opposites, Absolute Value
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...
Curated OER
Decimals - Tenths and Hundredths
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...
EngageNY
Grade 5 Math Module 1, Topic B, Lesson 5
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...
Curated OER
Order Decimal Fractions
In this decimal numbers worksheet, 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.
EngageNY
The Decimal Expansion of Some Irrational Numbers
Develop a definition of irrational numbers through an exploration of square roots. The 11th instructional activity in this series of 25 asks scholars to estimate the value of a square root. Learners observe as the estimation extends...
Code.org
Binary Numbers
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...
EngageNY
Decimal Expansion of Pi
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.
CK-12 Foundation
Numbers with Decimal Place Value: Battleship Decimals
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.
CK-12 Foundation
Decimal Rounding Given Place Value
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...
Virginia Department of Education
Powers of Ten
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...
CK-12 Foundation
Scientific Notation Values
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...
Curated OER
Dividing Decimals by Powers of Ten (A)
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.
Curated OER
Decimals and Place Value
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 activity will also work well in an electronic format, as each...