University of Waterloo (Canada)
University of Waterloo: Naming Numbers
Do you know how to write numbers in both words and numerals? Test your skills with these 24 questions.
AAA Math
Aaa Math: Converting Scientfic Notation to Decimal Numbers
This site explains how to convert scientific notation into decimal numbers. Games and exercises are provided to practice the skill.
Texas Instruments
Texas Instruments: Crunching Numbers
In this activity, students learn to build and add two digit numbers. They connect number words and numerals.
Beacon Learning Center
Beacon Learning Center: There Must Be Thousands
Students learn about whole number place value through the hundred thousands and practice writing numbers in standard form.
Math Cats
Math Cats: Can You Say Really Big Numbers?
Practice reading and writing out the number words for large numbers.
Mangahigh
Mangahigh: Number: Add and Subtract Decimals
This site provides students practice with the concept of adding and subtracting decimals. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Mangahigh
Mangahigh: Number: Multiply and Divide Decimals by 10, 100, 1000
This site provides students practice with the concept of multiplying and dividing decimals . Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Mangahigh
Mangahigh: Number: Round to the Nearest Unit, 10, 100 and 1000
Round units to the nearest ten, hundred, and thousands place.
Mangahigh
Mangahigh: Number: Recognize Place Value
Explore how to read, write, and order whole numbers up to the 1000 place.
Mangahigh
Mangahigh: Number: Recognize Tenths and Hundredths
Order, convert, and round decimals to the tenths and hundreths place.
Mangahigh
Mangahigh: Number: Order Decimals
Students learn about the concept of ordering decimals by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
CK-12 Foundation
Ck 12: Elem Math: Mixed Review Numbers Up to 100000
[Free Registration/Login may be required to access all resource tools.] Students practice identifying place value with numbers up to a hundred thousand.
CK-12 Foundation
Ck 12: Elem Math: Number Riddles Numbers Up to 100000
[Free Registration/Login may be required to access all resource tools.] Students practice with whole number place value by solving riddles.
CK-12 Foundation
Ck 12: Elem Math: Sums of Whole Numbers to 1000 (Grade 4)
[Free Registration/Login may be required to access all resource tools.] Use addition to find the sum or summand of numbers up to 1000. It includes how to videos with an overview, selecting the correct and incorrect sentence, and adding...
Soft Schools
Soft Schools: Number Words Worksheet
Generate a worksheet where students write the numeral for the given number word.
Soft Schools
Soft Schools: Numeral to Words Worksheet
Generate a worksheet that gives a numeral and the student writes the number word. You have the option of showing the answers to the problems.
Math Is Fun
Math Is Fun: Decimals
A good introduction to decimals, which includes a definition of place value and several examples of decimal numbers. Follow links at the bottom of this page to access decimal worksheets as well as information on rounding numbers, adding...
CK-12 Foundation
Ck 12: Elem Math: Arbitrary Digits Numbers Up to 100000
[Free Registration/Login may be required to access all resource tools.] Students practice making large and small numbers with whole numbers.
CK-12 Foundation
Ck 12: Elem Math: Adding Decimals From the Thousandths Place to the Tens Place
[Free Registration/Login may be required to access all resource tools.] This mathematics resource is a video demonstrating addition with decimals to the thousandths place, followed by practice problems adding numbers with digits in the...
CK-12 Foundation
Ck 12: Elem Math: Turning Numbers Into Words Using Place Value Models
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must use place value to convert numbers into their word forms. The process is explained in the accompanying video. [1:31] A set of...
CK-12 Foundation
Ck 12: Elem Math: Turning Words Into Numbers Using Place Value Models
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must convert the word forms of numbers into numeric form using place value. The process is explained in the accompanying video....
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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.
Saddleback College
Algebra2go: Digits and Place Value: Part 2 Problem Sets
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 questions, ask Charlie how you did.
Cool Math
Coolmath: Decimals Expanded Notation for Decimals
This prealgebra lesson reviews expanded notation for whole numbers and explains expanded notation for decimals.