Curated OER
Paper Bag Skits
Learners discover math measurements by creating a skit with classmates. In this geometry lesson, students utilize objects in a paper bag and index cards to create a short skit focusing on debate over the size of the objects. Learners...
Curated OER
Company is Coming
Students find a recipe for pancakes on the web then figure out how to half the recipe then figure how to make 3/4 of the pancakes.
Curated OER
Number and Algebra: Again and Again
Students use a given spreadsheet to investigate an iterative process by changing the variables. They design their own spreadsheet to investigate the iterative process.
Curated OER
Fraction Lessons That Motivate
Fraction lessons can provide both concrete and abstract ways to teach students about the concept of equal parts.
Curated OER
Piece of the Sky: Introduction for Making S'COOL Observations
Learners observe and discuss cloud cover. They identify percent of cloud cover, calculate cloud cover by fraction and convert to a percent, and compare their models with the current real sky cloud cover.
Curated OER
Calculate the Answer
Students solve basic multiplication or addition facts using a calculator and product cards. They draw a card, read the sum or product, and press single digits on the calculator to display the number on the card.
Curated OER
Zeros and Blackbirds
Fifth graders convert kilometers to miles and calculate the range that historical aircraft can travel. They choose destinations by distance that can be traveled without refueling.
Curated OER
Revamped Recipe
Fifth graders engage in a tasty lesson which assist them with proportional measurements. They use a given recipe written for 12 servings, and use a chart to determine the ingredient amounts for 30 servings (or number of students in class).
Curated OER
Rabbits
Learners review what they think doubling means and double numbers mentally, for example, 5, 12, 16. They share their solutions and discuss how they doubled. They work together on a problem that is beyond mental working and solve...
Curated OER
Buying My First Car
Students pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
Curated OER
Cooking: Apple Crescents
Student apply their measurement skills and follow a recipe to make apple crescents.
Curated OER
Eating on a Budget
Students are "given" $25.00 to spend at a restaurant. Using the Internet, they must "order" a complete 4 course meal while staying within their budget.
Curated OER
Pyrotechnics
Students discuss pyrotechnics and what they have noticed about their height and speed. They think about the path which fireworks follow which is a parabola. They follow multiplication patterns to determine the Zero Product Property and...
Curated OER
The Fathers' Day Card
Students subtract using decimals and find half of a decimal number. They write and solve problems which involve decimals and which require a choice of one or more of the four arithmetic operations.
Curated OER
Math Vocabulary Review
In this math vocabulary worksheet, students read a set of 15 math related definitions and write the words being defined. A reference web site is included for additional activities.
Curated OER
Ordering Parts of a Whole
Students review and discuss the task to be completed and how the rubric is used to evaluate it. They each get 6 paper rectangles, 3 of one color and 3 of another color. They cut the rectangles in half two different ways. They repeat the...
Curated OER
My Dogs
Students use the properties of multiplication to solve problems. They recall the basic multiplication facts as well as write and solve problems that involve whole numbers.
Curated OER
Math Vocabulary Fill-In Puzzle
In this math vocabulary puzzle, students use a set of definition clues given to solve a crossword puzzle. A reference web site is given for additional activities.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Dividing Fractions
This site has an explanation of how to divide fractions by multiplying the reciprocal of the denominator. It explains why you invert and multiply! This site also contains links to numerous Math Forum sites pertaining to fractions,...
McGraw Hill
Glencoe: Self Check Quizzes 1 Dividing Fractions
Use Glencoe's randomly generated self-checking quiz to test your knowledge of dividing fractions. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It" button...
Goodwill
Gcf Global: Multiplying and Dividing Fractions
Tutorial provides instruction and practice with multiplying and dividing fractions.
Khan Academy
Khan Academy: Dividing Fractions Word Problems
Practice solving word problems by dividing fractions by fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Help With Fractions: Dividing Fractions
The rules for dividing fractions are clearly explained at this website. A great explanation is also included for why fraction division has the invert and multiply rule.
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