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TOPS Learning Systems
Top Science: Decimal Bounce [Pdf]
An activity where students learn the meanings of metric prefixes, and how to use them with decimal numbers and with different units of measurement.
Math Is Fun
Math Is Fun: Decimal Worksheets
A collection of worksheets covering conversion and operations involving decimals.
Saddleback College
Algebra2go: Addition Using an Abacus Problem Sets
This resource contains three problem set for practcing addition using Abacus worksheet. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have answered all of the...
Khan Academy
Khan Academy: Place Value Names
Practice identifying place value names for decimal numbers. For example, the 3 in 4.563 is in the thousandths place. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: 4.nf How Many Tenths and Hundredths?
Finish the equations to make true statements. The student must really think to encode the quantity in positional notation. Aligns with 4.NF.C.5.
National Council of Teachers of Mathematics
Nctm: Illuminations: Fraction Models
An interactive game to learn fractions less than one, greater than or equal to 1, which are written as mixed numbers and their equivalent decimal and percentage forms
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...
CK-12 Foundation
Ck 12: Arithmetic: Repeating Decimals
[Free Registration/Login may be required to access all resource tools.] In this lesson students write fractions and mixed numbers as repeating decimals. Students examine guided notes, review guided practice, watch instructional videos...
CK-12 Foundation
Ck 12: Arithmetic: Repeating Decimals
[Free Registration/Login may be required to access all resource tools.] In this lesson students write fractions and mixed numbers as repeating decimals. Students examine guided notes, review guided practice, watch instructional videos...
CK-12 Foundation
Ck 12: Algebra: Checking Solutions to Inequalities
[Free Registration/Login may be required to access all resource tools.] This lesson covers graphing and solving basic inequalities. Students watch a video tutorial, explore guided notes and attempt practice problems.
Khan Academy
Khan Academy: Binary Numbers
An overview of the binary number systems in computer science.
Khan Academy
Khan Academy: Hexadecimal Numbers
Practice converting hexadecimal numbers to binary and decimal numbers, in this set of practice questions designed for AP Computer Science Principles students.
Khan Academy
Khan Academy: Naming and Ordering Numbers Lesson
Get ready for your Praxis Core Math test with this lesson over naming and ordering numbers. You will review the skills being tested for this topic and complete practice problems.
Purple Math
Purplemath: Rounding and Significant Digits
Explains how to round to a given number of "significant digits".
Help Algebra
Help algebra.com: Decimals
Keeping in mind that decimals are really fractions, this site shows you how to convert decimals and work with them in solving equations.
AAA Math
Aaa Math: Subtracting Decimals
This personal site explains how to subtract decimals of the tenths place value. Includes games to practice this skill.
Math2
Math2.org: Number Notation
At this website from Math2.org you will find tables with information about number words, meanings, and the symbols used to express them. At the very bottom there is also a Java Base Conversion Calculator.
Disfruta Las Matematicas
Disfruta Las Matematicas: Hojas De Ejercicios De Decimales
This site contains many worksheets dealing with decimals and operation with decimals. Each worksheet has many variations. You can see them on the screen and print them with or without the answers.
NumberNut
Number Nut: Division Overview
Understand the basics of division in this succinct lesson that includes two interactive games. Both games focus on knowledge of basic division facts and offer immediate feedback to responses.
Quia
Quia: Fractions, Decimals & Percentages Quiz 4
Use this quiz to assess your ability to work with fractions, decimals, and percentages. There is a link with information to review this skill if you have difficulty.
Sophia Learning
Sophia: Expanded Place Value of Decimals
This lesson explains that each digit in a decimal number has a value related to its positional representation.
ABCya
Ab Cya: Elementary Math: Virtual Manipulatives: Decimal Tiles
This is a fun way for students to explore and understand how parts make up a whole. Explore fractions, percentages and decimals with this game.
Educaplus (Jesús Peñas Cano)
Educaplus: Fracciones
In this simulation you can compare fractions with decimals on a given number line.