Illustrative Mathematics
Illustrative Mathematics: 5.nf Standing in Line
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.
Illustrative Mathematics
Illustrative Mathematics: Salad Dressing
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...
Illustrative Mathematics
Illustrative Mathematics: Dividing by One Half
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...
Illustrative Mathematics
Illustrative Mathematics: Picturing Factors in Different Orders
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...
Illustrative Mathematics
Illustrative Mathematics: How Many Servings of Oatmeal?
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...
AAA Math
Aaa Math: Front End Estimation
Front-end estimation is explained and demonstrated with an online game at this AAA Math lesson.
Wyzant
Wyzant: Prime Factors Calculator
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.
Quia
Quia: Multiplication Tables 1 12
Practice multiplication facts with these online flashcards. Eliminate facts you know and concentrate on the ones you still need to learn.
Scholastic
Scholastic: Max's Math Adventures: Card Castle Addition
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.
Scholastic
Scholastic: Max's Math Adventures: Subtraction Square Dance
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.
Illustrative Mathematics
Illustrative Mathematics: Making Cookies
This tasks lends itself very well to multiple solution methods. Students may learn a lot by comparing different methods. Students who are already comfortable with fraction multiplication can go straight to the numeric solutions given...
AAA Math
Aaa Math: Adding With a Calculator
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.
Visual Fractions
Visual Fractions: Strict Fraction Division With Lines
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.
Visual Fractions
Visual Fractions: Fraction Division With Lines
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...
Visual Fractions
Visual Fractions: Divide Fractions With Circles
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.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
Varsity Tutors
Varsity Tutors: Aplus Math: Custom Flashcard Creator
Create and print your own custom math flashcards. Twelve flashcards can be created at one time. Input your own numbers, and choose which operation you would like to work on. Choose either addition, subtraction, multiplication, or...
Varsity Tutors
Varsity Tutors: Aplus Math: Custom Flashcard Creator
Create and print your own custom math flashcards. Twelve flashcards can be created at one time. Input your own numbers, and choose which operation you would like to work on. Choose either addition, subtraction, multiplication, or...
University of Cambridge
University of Cambridge: Nrich: Game Criss Cross Quiz
Use this online game to improve your subtraction or addition skills while you play on a coordinate plane gameboard. Gain skills in two areas at the same time! This game can also be altered to practice multiplication facts. There is a...
AAA Math
Aaa Math: Adding Hundreds
Practice adding hundreds with a game that keeps running totals of your correct and incorrect answers, as well as a percent score of your correct answers.
Math Slice
Math Slice: Math 4 Game
Create four number equations with the eight numbers and four operation symbols you are given to win this challenging game. Immediate feedback given to responses
Lizard Point Quizzes
Lizardpoint: Multiplication Practice
Lizard Point provides practice using several difficulty levels of multiplication problems. It has single digit times single digit, single digit times two digit, two digit times two digit, and three digit times three digit. When you are...
Varsity Tutors
Varsity Tutors: Aplus Math: Multiplication Flashcards
Practice basic multiplication facts using online flashcards. The game keeps track of how many of the attempted flashcards you get correct, and lets you know your percentage. Did you input an incorrect answer? Don't worry, a message with...
University of Cambridge
University of Cambridge: Nrich: Game Subtraction Squares
Use this game to improve your subtraction skills. You will not only need to know your subtraction facts you will also need to figure out a strategy to win! There is a "Get Printable Page," link at the top if you want to print it out to...