Fact Monster
Fact Monster: Decimals Places
Fact Monster: Decimals is a learning module that focuses on digit placement. It also provides videos on how to add and subtract decimals and how to multiply and divide decimals.
National Council of Teachers of Mathematics
Nctm: Illuminations: Fraction Models
Numerator values can be set for 0-20. Denominator values restricted to 1, 2, 4, 5, 8, 10 and 20. Use this interactive tool to show a fraction. Adjust both the denominator and numerator and see a visual representation as a part of a...
PBS
Pbs Learning Media: How Far to Wells Road?
In this Cyberchase video segment, Bianca drives to visit her friend, but learns that she has incorrectly added decimal amounts, so she ends up at the wrong location.
The Math League
The Math League: Percent & Probability
This tutorial gives definitions and examples of percents and probability and covers percent as a fraction and percent as a decimal.
CK-12 Foundation
Ck 12: Elem Math: Subtract Decimals From the Thousandths Place to the Tens Place
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to subtract decimal numbers from the tens place to the thousandths decimal place. [0:47]
Illustrative Mathematics
Illustrative Mathematics: 8.ee Ants Versus Humans
This task requires students to work with large and small values expressed in scientific notation and in decimal notation, as well as to convert units of mass. Aligns with 8.EE.A.4 and 8.EE.A.1.
NumberNut
Number Nut: Decimals
Do you know what a decimal is and how it is related to fractions? Find out and practice your skills playing the related interactive games.
CK-12 Foundation
Ck 12: Arithmetic: Percents as Decimals Grade 6
[Free Registration/Login may be required to access all resource tools.] Convert given percentage values into decimals.
Khan Academy
Khan Academy: Round Decimals Using a Number Line
Practice using a number line to round decimal numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Better Lesson
Better Lesson: Moving From Fractions to Decimals
Introduce students to decimals with this lesson. Students will explore how fractions can be changed to decimals with place value charts.
Purple Math
Purplemath: Number Bases: Introduction & Binary Numbers
The process of converting between different number bases is actually fairly simple, but the thinking behind it can seem a bit confusing at first. And while the topic of different bases may seem somewhat pointless to you, the rise of...
Sophia Learning
Sophia: Tenths
Students learn about the tenths decimal place value. The tutorial includes detailed examples.
Homeschool Math
Homeschool Math: Comparing Decimals
This is a complete lesson with video instruction [5:49] and varied exercises about comparing decimals with 1 or 2 decimal digits.
CK-12 Foundation
Ck 12: Elem Math: Expressing Decimals in Thousandths
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in thousandths by moving the decimal to the right. The video is followed by additional problems for students to practice...
CK-12 Foundation
Ck 12: Elem Math: Expressing Decimals in Tenths
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in tenths by moving the decimal to the right. The video is followed by additional problems for students to practice the...
CK-12 Foundation
Ck 12: Elem Math: Expressing Decimals in Hundredths
[Free Registration/Login may be required to access all resource tools.] The video describes how to express a number in hundredths by moving the decimal to the right. The video is followed by additional problems for students to practice...
Common Core Sheets
Common Core Sheets: Number and Operations in Base Ten 5.nbt.3b Worksheets
Print or create worksheets or flashcards to assess students' understanding of place value, comparing numbers, and ordering numbers with decimals.
Common Core Sheets
Common Core Sheets: Number and Operations in Base Ten 5.nbt.1 Worksheets
Teachers can assess students' knowledge of place value with these printable worksheets. You can even create your own worksheet or flashcards.
PBS
Pbs: Who Won?: Comparing Decimals to the Thousandths Place
To figure out who won the race you have to compare their times. This interactive exercise focuses on using what you know about ordering decimals, number lines and rounding to the tenths place and then asks you to think about what numbers...
PBS
Pbs: Rounding to Wholes, Tenths, and Hundredths
On some nights only certain numbers can get in to the Number Line Party, what's a decimal to do? This interactive exercise combines activities here appear in two other Number-Line Party lessons and focuses on using what you know about...
PBS
Pbs: Rounding to the Tenths Place
Only numbers with tenths can get in to the number line party, what's a decimal with hundredths to do? This interactive exercise focuses on using what you know about number lines and rounding to the tenths place and then asks you to think...
E-learning for Kids
E Learning for Kids: Math: Hamburger Restaurant: Operations With Money
On this interactive site students learn to round numbers to the nearest ten thousand, determine the place value of any digit, and use ordinal numbers.
Texas Instruments
Texas Instruments: Numb3 Rs: Onion Peeler
Based off of the hit television show NUMB3RS, this lesson introduces students to the concept of changing number bases, as well as gives some insight into Internet privacy through "onion routing." Students translate hexadecimal numbers...
CK-12 Foundation
Ck 12: Algebra: Scientific Notation
[Free Registration/Login may be required to access all resource tools.] Recognize the equivalence of decimal numbers in standard form, product form and scientific notation using very small and very large numbers