Interactive
Visual Fractions

Visual Fractions: Multiply Fractions With Circles

For Students 4th - 7th Standards
Use circles to learn and practice multiplying fractions at this site from Visual Fractions. You will receive immediate feedback on each of your answers, and explanations are available for each question.
Activity
University of Cambridge

University of Cambridge: Nrich: Scoring With Dice

For Students 3rd - 8th Standards
On this one page website sharpen your logic, multiplication, and multiples skills while working on this challenge. The solution is available to double check your solution.
Activity
AAA Math

Aaa Math: Addition Facts: Adding 0, 1, 2

For Students K - 1st Standards
Practice adding 0, 1, and 2 with other numbers. This game helps you sharpen your addition facts. It keeps a running total of incorrect and correct answers, as well as a percent score of your correct answers.
Handout
Math Medics

S.o.s. Math: Dividing Simple Fractions

For Students 5th - 6th Standards
Explains how to divide fractions by another fraction or whole number. Also explains how to divide three or more fractions.
Professional Doc
Primary Resources

Primary Resources: General Multiplication and Division

For Teachers Pre-K - 1st Standards
A huge collection of teacher resources in basic multiplication and division. Information on multiplication as repeated addition and division as repeated subtraction. Includes worksheets, games, PowerPoint presentations, smartboard...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: What Is 23/5?

For Teachers 4th - 8th Standards
When a division problem involving whole numbers does not result in a whole number quotient, it is important for students to be able to decide whether the context requires the result to be reported as a whole number with remainder (as...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: To Multiply or Not to Multiply?

For Teachers 4th - 8th Standards
Many real world problems appear similar. Even when children might know what operation to choose when the problem only involves whole numbers, they often are confused with fractions. It is also important for students to know that 18x25 is...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Origami Stars

For Teachers 4th - 8th
The purpose of this task is to present students with a situation in which they need to divide a whole number by a unit fraction in order to find a solution. Calculating the number of origami stars that Avery and Megan can make...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 5.nf Standing in Line

For Teachers 4th - 7th Standards
The purpose of this task is for students to solve a problem in context that can be solved in different ways, but in particular by dividing a whole number by a unit fraction. Aligns with 6.NS.A.1.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Salad Dressing

For Teachers 4th - 8th Standards
The purpose of this task is to have students add fractions with unlike denominators and divide a unit fraction by a whole number. This accessible real-life context provides students with an opportunity to apply their understanding of...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Dividing by One Half

For Teachers 5th - 8th Standards
This task requires students to recognize both "number of groups unknown" (part (a)) and "group size unknown" (part (d)) division problems in the context of a whole number divided by a unit fraction. It also addresses a common...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Picturing Factors in Different Orders

For Teachers 5th - 8th
The purpose of this task is to help students picture the multiplicative structure of the number 30 in different ways. Some of this structure is easier to communicate using grouping symbols, as it is easier to interpret...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: How Many Servings of Oatmeal?

For Teachers 4th - 8th
This task provides a context for performing division of a whole number by a unit fraction. This problem is a "How many groups?'' example of division: the "groups'' in this case are the servings of oatmeal and the question is asking how...
Activity
AAA Math

Aaa Math: Front End Estimation

For Students 3rd - 5th Standards
Front-end estimation is explained and demonstrated with an online game at this AAA Math lesson.
Activity
Wyzant

Wyzant: Prime Factors Calculator

For Students 3rd - 8th Standards
Students input a number to be factored and the WyzAnt calculator does the rest. Limitations include the fact that numbers which are negative or which contain primes bigger than 541 cannot be handled.
Activity
Quia

Quia: Multiplication Tables 1 12

For Students 3rd - 8th
Practice multiplication facts with these online flashcards. Eliminate facts you know and concentrate on the ones you still need to learn.
Activity
Scholastic

Scholastic: Max's Math Adventures: Card Castle Addition

For Teachers 3rd - 5th
Use this site to see how Max and Ruthie built a castle inside Max's room! Teachers will want to look through the extra challenges and the teacher's guide to help with creating engaging lesson plans.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Making Cookies

For Teachers 4th - 8th Standards
This tasks lends itself very well to multiple solution methods. Learners may learn a lot by comparing different methods. Students who are already comfortable with fraction multiplication can go straight to the numeric solutions given...
Lesson Plan
Scholastic

Scholastic: Max's Math Adventures: Subtraction Square Dance

For Teachers 3rd - 5th
This site has a square dance rhyme with some fun subtraction practice. Teachers will appreciate the activity page, the extra challenges, and the teacher's guide for easy lesson planning.
Interactive
Visual Fractions

Visual Fractions: Fraction Division With Lines

For Students 4th - 7th Standards
Once the dividend is correctly identified, a rectangle representing the divisor will appear. The divisor is the horizontal distance of the blue arrow. The program will not continue unless the dividend or the divisor are correctly...
Activity
AAA Math

Aaa Math: Adding With a Calculator

For Students 2nd - 5th
Use this online calculator game to practice using a calculator. The game keeps track of your correct and incorrect answers. It also shows you a percent score of your correct answers as you play.
Interactive
Visual Fractions

Visual Fractions: Strict Fraction Division With Lines

For Students 4th - 6th
Use this interactive site from Visual Fractions to divide fractions. Your answers need to be given in lowest terms. Explanations are available for each question, and you receive immediate feedback for your answers.
Interactive
Visual Fractions

Visual Fractions: Divide Fractions With Circles

For Students 4th - 6th Standards
Use the circles on this interactive site to learn and practice dividing fractions. An explanation is available for each question, and you receive immediate feedback for your answers.
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation

For Students Pre-K - 1st Standards
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.