University of Georgia
University of Georgia: Intermath: Denominator
This one page website provides a definition for denominator and numerator. It also give examples.
Expansion Learning
Expansion Learning: Math Activity: What's the Denominator?
Activity provides students the practice they need to master the skill of identifying the denominator. Immediate feedback is given.
CK-12 Foundation
Ck 12: Arithmetic: Equivalent Ratios
[Free Registration/Login may be required to access all resource tools.] Among rational numbers, identify and write different forms of equivalent ratios.
Khan Academy
Khan Academy: Halves and Fourths
In this exercise, students practice identifying halves and fourths. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
CK-12 Foundation
Ck 12: Algebra: Inverse Property of Addition in Fraction Equations
[Free Registration/Login may be required to access all resource tools.] Identify and apply the inverse property of addition in fraction operations
Google
Google for Education: Fraction Addition and Common Denominators
Students learn how to find a common denominator between two fractions and then add or subtract the fractions. Decomposition is used to identify patterns in fractions that are relatively easy to visualize, and apply these patterns to...
CK-12 Foundation
Ck 12: Elem Math: Counting Semi Circles and Quarter Circles in Composite Figures
[Free Registration/Login may be required to access all resource tools.] The video defines composite figures, semi-circles, and quarter circles, then uses those definitions to determine how many semi-circles and quarter circles are in the...
Curated OER
Mixed Numbers With Circles
This website from Visual Fractions helps you identify the meaning of the numerator, denominator and whole number in mixed fractions by using circles and parts of circles.
Wikimedia
Wikipedia: Fraction
This one page website provides a basic explanation of a fraction and its denominator and numerator.
Alabama Learning Exchange
Alex: How Low Can You Go?
In this lesson, students will identify and locate numberspostive and negative numbers, including decimals and fractions on a number line. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
NumberNut
Number Nut: Count the Nickels
Count the number of nickels and find the total value of the coins. Pictures of nickels are shown. There are ten random questions.
NumberNut
Number Nut: Counting Coins With Values Under One Dollar
Choose the correct group of coins whose sum is the amount shown. Four groups are shown per questions. There are ten random questions.