Khan Academy
Khan Academy: Equivalent Fractions and Different Wholes
Practice using the same whole to find equivalent fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Subtracting Real Numbers
A good refresher on how to perform subtraction with real numbers. Covers subtracting numbers with the same and different signs and simplifying expressions that have subtraction. View sample problems and complete practice exercises.
CK-12 Foundation
Ck 12: Interactive Middle School Math 8 for Ccss
A complete CCSS Grade 8 Mathematics course that includes interactives in every lesson, plus videos, hands-on activities, and questions with immediate feedback. Every lesson also has specifically chosen 'Related Modalities' that teach the...
CK-12 Foundation
Ck 12: Interactive Middle School Math 7 for Ccss
A complete CCSS Grade 7 Mathematics course that includes interactives in every lesson, plus videos, hands-on activities, and questions with immediate feedback. Every lesson also has specifically chosen 'Related Modalities' that teach the...
Government of Alberta
Learn Alberta: Math Interactives: Exploring Data Display and Graphs
This multimedia Learn Alberta math resource focuses on graphing data. In the video portion, students will see how math is involved in the display of merchandise in stores. The accompanying interactive component provides an exploration...
Other
Elementary Math Worksheets
Print out different math practice sheets on the same topic as needed. A variety of practice sheets in the areas of addition, subtraction, multiplication and division are available.
CK-12 Foundation
Ck 12: Elem Math: Rounding the Same Decimal to Different Decimal Places
[Free Registration/Login may be required to access all resource tools.] A video and practice questions where students are presented with a decimal number and must round it to three different decimal place value positions. [2:14]
Khan Academy
Khan Academy: Time Differences (Within the Hour)
Practice finding the difference between times given on two analog clocks. Each time difference is less than 60 minutes, and the hour hand stays on the same hour. Students receive immediate feedback and have the opportunity to try...
CK-12 Foundation
Ck 12: Elem Math: Selecting the Greatest Value
[Free Registration/Login may be required to access all resource tools.] A learning module where students must look at four number sentences with the same numbers and operations signs but different placement of parentheses, and follow the...
CK-12 Foundation
Ck 12: Elem Math: Place Value Problems Involving Items
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to solve word problems involving different-sized sets of the same item. Includes video demonstrating a sample problem...
PBS
Pbs: Understanding Concepts of Volume and Measurement: Bianca's Babysitting Blues
In this video from Cyberchase, Bianca is babysitting infant twins. As she tries to give each twin the same amount of liquid baby formula, she discovers that all the baby bottles are different shapes. Learn how she finds two that hold the...
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Adding Real Numbers
A good refresher of how to perform addition of real numbers. Covers how to add numbers of same sign and of the different sign, and how to find the additive inverse of a number. View several example problems and step-by-step solutions and...
University of Cambridge
University of Cambridge: Maths and Sports: Project Ideas: World Records
This activity suggests a number of investigative projects, focusing on athletics and swimming, exploring some of the trends between performances in different sports at the same time in history and in the rate of improvement of records...
PBS
Pbs Learning Media: Math + Arts: Jack & Hardy Hard Head
In this lesson, students create and solve problems related to scale and write and perform a scene to share their problems and solutions. Media resources and teacher materials are included.
PBS
Pbs: Explore the Relationship Among Fractions, Decimal Notation, and Percents
In this Cyberchase media gallery, a series of videos explores the relationships among fractions, decimals, and percents, which can be used to represent the same values in different ways. In the accompanying classroom activity, students...
Illustrative Mathematics
Illustrative Mathematics: F Le Equal Differences Over Equal Intervals 1
In this task, students prove that linear functions grow by equal differences over equal intervals, and notice that in this case, the equal differences have the same value as the slope. Aligns with F-LE.A.1.a.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Building Two Column Proofs
Use this site to find details of how to construct a two column proof. Dr. Math responds to a question posed by a student and details the reasons for the order of steps and shows two different ways to do the same proof.
Other
Chili Math: Writing and Identifying Equivalent Fractions
Fractions that are the same in value but look different are known as equivalent fractions. As long as you multiply or divide the top and bottom of a fraction by the same nonzero whole number, the resulting fraction will be equivalent to...
Other
Nearpod: Equations & Inequalities (Numeric/symbolic)
For this lesson on solving equations and inequalities, students explore the solving equations and inequalities are the same and different by exploring the effects of negative numbers and using inverse operations when solving side by side.
Science Buddies
Science Buddies: Play Doh Math
One piece of Play-Doh can make many different shapes. Even though you can change the shape by squishing or stretching the Play-Doh, it is still the same size unless you add or take away some of the dough. Try this experiment to test how...
Other
Armstrong Atlantic State U.: Three Laws of Logarithms
Examples of the the Law of Logarithms that allows combining sums and differences of Logarithms that have the same base. Click on the numbers of the examples for the answers and more information.
PBS
Pbs Learning Media: Two Sightings, Different Information
Jackie and Matt are looking at the same object along two different lines, in this video segment from Cyberchase.
Scholastic
Scholastic: Study Jams! Math: Multiplication and Division : Distributive Property
Just like addition, multiplication has properties too. The distributive property shows that you can write a number sentence in different ways and still get the same result. Students watch an interactive tutorial, explore common mistakes...
Math Is Fun
Math Is Fun: Subtraction of Fractions
This very basic website gives simple, easy steps on how to subtract fractions with the same denominator and what to do when they have different denominators.