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Queen's Printer for Ontario
Eworkshop.on.ca: Number Sense and Numeration, Grds 4 6: Decimal Numbers [Pdf]
Volume 6 in a workshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for teaching decimal numbers and concepts to students in grades 4 through 6. Includes sample learning activities.
PBS
Pbs Learning Media: 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...
CK-12 Foundation
Ck 12: Elem Math: Solving Decimal Word Puzzles
[Free Registration/Login may be required to access all resource tools.] This interactive media source is practice writing decimals. Students have to understand place value for both whole numbers and decimals in order to correctly write...
CK-12 Foundation
Ck 12: Algebra: Division to Solve Decimal Equations
[Free Registration/Login may be required to access all resource tools.] This site helps students to learn to identify and apply the inverse property of multiplication in decimal operations with expressions. Students master the concept by...
Mangahigh
Mangahigh: Number: Multiply by a Decimal
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.
PBS
Pbs: Logical Leaps: Adding Fractions and Decimals From 0 to 1 on the Vertical Number Line
In this interactive, use logic to solve riddles involving flea circus high jumps. Then, add two consecutive jumps and place them on a vertical number line. This often requires you to find equivalent fractions with common denominators....
CK-12 Foundation
Ck 12: Elem Math: Comparing and Writing Decimal Inequalities
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare two decimals using the appropriate inequality sign. The video is followed by practice problems to assess student understanding of the...
CK-12 Foundation
Ck 12: Elem Math: Comparing and Writing Decimal Inequalities in Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare two decimals. The video is followed by practice problems to assess student understanding of the concept.
CK-12 Foundation
Ck 12: Elem Math: Round to the Nearest 2 Decimal Places or the Hundredths Place
[Free Registration/Login may be required to access all resource tools.] The video explains an example of rounding a number to the nearest hundredth. The video is followed by a series of practice questions to assess student comprehension...
Learning Wave Communications
Learning Wave: Decimals
This resource contains several links that lead to discussions on several topics of decimals, including converting and comparing with fractions, rounding, estimating, and basic operations. Each page includes examples and some sample...
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.