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
Tortillas
Students convert recipes for tortillas. They calculate the amounts of ingredients as they convert recipes and write an explanation of the task to demonstrate their calculations. After reviewing their calculations, they demonstrate how...
Curated OER
Jobs and Salaries
In this economics worksheet, learners look for the budgets and go through the practical activities of maintaining a monthly expense sheet.
Curated OER
Decimals in the Garden
In this math activity, students are given pictures of garden tools and prices (in pounds). They select the items they would like to purchase for their garden and calculate the cost to buy these items. Students may use the internet to...
Curated OER
Two-Step Equations
Students explore the concept of solving two-step equations. In this solving two-step equations lesson, students watch a short video about solving equations. Students view a PowerPoint presentation about solving two-step equations....
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
Number Line Math
Second graders use a number line to practice subtraction. For this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
Curated OER
Squirt
Fourth graders using the idea of "how many more squirts" fill a container to develop multiplicative thinking. They also investigate the idea of conservation of volume when working with oddly shaped containers. They attempt to use...
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
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
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
Million Dollar Gift
Third graders create a box big enough to hold a million dollars. This is a project fun to do near the winter holidays with inexpensive gifts included in the boxes. This hands-on lesson very effectively demonstrates the concept of volume.
Curated OER
Charting The Progress of New Horizons
Students explore the long distances and timescales involved in space travel. They track the progress of the New Horizons spacecraft and access the New Horizons website to discover the distance of the spacecraft from the Sun, and then...
Curated OER
Comparing Candy Bars
Eighth graders identify that a ratio is a comparison of two numbers and that a proportion is an equation that equates two ratios. They identify the extremes and means of proportions, as well as the product of the extremes equals the...
Curated OER
Discovering the Area and Perimeter of Triangles
Eighth graders identify how to find the area and perimeter of rectangles and triangles. They discuss their understanding of area and perimeter and how the two concepts are applied in the real world. Finally, 8th graders determine the...
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,...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: How to Multiply Fractions; How to Divide Fractions
Students solve fraction division problems. To see the answers, students need to roll their mouse over the colored area.
Goodwill
Gcf Global: Multiplying and Dividing Fractions
Tutorial provides instruction and practice with multiplying and dividing fractions.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Multiply and Divide Fractions
This Math Page tutorial explains how to multiply and divide fractions and then features a practice exercise.
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.
AAA Math
Aaa Math: Dividing Fractions by Whole Numbers
This site explains how to divide fractions by whole numbers. It provides games and exercises to practice the skill.
McGraw Hill
Glencoe: Self Check Chapter Test Multiplying and Dividing Fractions
The interactive assessment tests learners on multiplying and dividing fractions. Students complete 12 self-checking questions with hints and solutions.
Sophia Learning
Sophia: Dividing Fractions by Mixed Numbers
Students review how to divide fractions by mixed numbers in this video tutorial. The lesson includes a detailed example.