CK-12 Foundation
Ck 12: Arithmetic: Area Models for Decimal Multiplication
[Free Registration/Login may be required to access all resource tools.] Find the product of two decimals using area models.
Purple Math
Purplemath: Place Value: Concepts
Explains and illustrates the thinking behind the concept of place value.
Study Pad
Splash Learn: Multiply Decimals
[Free Registration/Login Required] Multiply two decimal numbers (up to the hundredths place). Multiplication of decimals numbers can be treated just by multiplying two multi-digit numbers (ignoring the decimal point) and then placing the...
Study Pad
Splash Learn: Multiply Decimals by a Whole Number
[Free Registration/Login Required] Extend multiplication to multiplying a decimal number by a whole. Multiplication by a whole is just a special case of multiplication of two decimal numbers. The key concept is the placement of the...
PBS
Pbs: Logical Leaps: Rational Numbers on the Number Line
In this interactive, use logic to solve riddles involving a wallaby jumping contest. Then, place each contestant's jump-a fraction, mixed number, or decimal between -5 and +5-at the correct point on the number line. Backward jumps are...
PBS
Pbs: Logical Leaps: Fractions and Decimals From 0 to 1 on the Vertical Number Line
In this interactive, use logic to solve riddles involving a flea-jumping contest. Place each contestant's jump, represented by either a fraction or a decimal in both feet and inches, at the correct point on the vertical number line....
PBS
Pbs Learning Media: Logical Leaps: Fractions and Decimals From 0 to 1 on the Vertical Number Line
In this interactive, use logic to solve riddles involving a flea-jumping contest. Place each contestant's jump, represented by either a fraction or a decimal in both feet and inches, at the correct point on the vertical number line....
PBS
Pbs: Logical Leaps: Graphing Inequalities: Fractions and Decimals From 0 to 1
In this interactive, use logic to solve three riddles involving high-jump performers in a flea circus. Then, using knowledge of inequalities, place the fleas in the appropriate range on a vertical number line. Numbers are randomized so...
PBS
Pbs: Logical Leaps: Adding Rational Numbers on the Number Line
In this interactive, use logic to solve riddles involving a wallaby jumping contest. Add two consecutive jumps and place them on a number line, finding equivalent fractions and common denominators to do so. Backward jumps represent...
PBS
Pbs: Logical Leaps: Adding Fractions, Mixed Numbers, and Decimals on the Number Line
In this interactive, use logic to solve riddles involving a jumping frog contest. Add two consecutive jumps by one frog and place the jumps on the number line, finding equivalent fractions with common denominators to do so. Numbers are...
ClassFlow
Class Flow: Decimal and Fraction Review
[Free Registration/Login Required] This flipchart is a review of Decimal and Fraction concepts.
Mangahigh
Mangahigh: Number: Multiply Decimals
This site provides students practice with the concept of decimal multiplication. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Texas Instruments
Texas Instruments: Putting Things in Place
In this activity, students investigate the value of the digits in $8,205.50 and determine the number of thousands, hundreds, tens, ones and even the number of dimes and pennies. The concept is then extended to additional situations. They...
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: Multiply Decimals and Larger Numbers
This site provides students practice with the concept of multiplying 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.
CK-12 Foundation
Ck 12: Elem Math: Determine Which Set of Decimals Is Correctly Ordered by Value
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare decimals by looking at the value of the digits in each place value to determine the order. The video is followed by a series of...
Mangahigh
Mangahigh: Number: Multiply and Divide by a Number Between 0 and 1
This site provides students practice with the concept of multiplying rational numbers . Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
That Quiz
That Quiz: Fractions
The practice problems examine fractions, ratios, and decimals. Students choose which concept they would like to review and then answer the corresponding 10 questions. Solutions are provided for incorrect answers.
Shodor Education Foundation
Shodor Interactivate: Lesson: Multiplying Decimals & Mixed Numbers
The Shodor Education Foundation provides this lesson plan to help students see the effect of multiplying decimals. Students use an interactive activity to see the effect of multiplying decimals. NCTM Standards are listed for this lesson...
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: Elem Math: Decomposing Decimals Into Place Values to Tenths
[Free Registration/Login may be required to access all resource tools.] The video discusses how to identify place value of digits in the ones and tenths place. The video is followed by practice problems to assess student understanding of...
CK-12 Foundation
Ck 12: Elem Math: Decomposing Decimals Into Place Values to Thousandths
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which digit is in the thousandths place value by breaking down every digit in the number according to the place value. The video...
Quia
Quia: Place Value Rags to Riches
So you want to be a place value millionaire? Test your understanding of place value when you play Rags to Riches. A comprehensive, multiple choice game covering place value concepts with whole numbers and decimals, word form and standard...