Curated OER
Common denominators
In this common denominators worksheet, students find common denominators for pairs of fractions. Students find common denominators for 4 pairs of fractions.
Curated OER
Skip it to multiply it
First graders make sensible estimates and check the reasonableness of answers.
They make up, tell and record number stories up to 9 about given objects. They skip count in twos, threes and fives.
Curated OER
Numbers, Numbers Everywhere!
Explore properties of integers! In this algebra lesson, pupils add, subtract, divide and multiply using integers correctly. They differentiate between rational and irrational numbers.
Curated OER
Ratios and Percents
Sixth graders practice finding percentages, converting them, and analyze percentage statistics and facts about rice. In this ratios and percentages instructional activity, 6th graders read information about percentages related to rice....
Curated OER
Discovering Math Rational Number Concepts
Students research Egyptian hieroglyphics using print and Web resources. THey discuss Egyptian achievements in mathematics. Students explore how Egyptians used hieroglyphics to write numerals. They multiply and divide numbers using the...
Curated OER
Number Chameleon
Students complete a worksheet in which they study the relationships between fractions, decimal, and percents.
Curated OER
Proportional Problems 1
Eighth graders explore representing fractions as ratios and proportions. They model proportions through the use of blocks, LEGO gears and activities with bicycle gears and pedals. Students work with bicycle gear boxes to observe and...
Shodor Education Foundation
Tree Diagrams and Probability
Aspiring statisticians create tree diagrams and figure probabilities of events based on those diagrams. They practice adding and multiplying fractions and explain complementary probabilities. Students use computers activities to make...
Curated OER
Is This Fair?
Students discover how to convert fractions to decimals and percents. They play the role of a shopper to complete this activity.
Curated OER
Multi-Digit Multiplication
Fourth graders practice mastering the ability to multiply multi-digit numbers utilizing rectangular arrays and a variety of mental math strategies. They model and illustrate meanings of multiplication and division of whole numbers and...
Curated OER
Discovering Math: Rational Number Concepts
Students explore the concept of Egyptian contributions in mathematics. In this Egyptian contribution lesson, students research Egyptian hieroglyphics and pyramids. Students write numerals in hieroglyphics. Students use Egyptian methods...
Curated OER
Math: Football League Statistics
Learners examine a soccer league final standings chart and then answer 12 questions based on the information provided. They calculate some answers in both fractions and percentages.
Curated OER
Solve algebraic proportions.
Students solve algebraic proportions. In this algebra lesson, students convert between fractions, percents and decimals. They solve problems using the distributive property.
Curated OER
Patterns in Pascal's Triangle
Students examine the patterns that exist in Pascal's Triangle. They explore multiples and factors. Sudents use an applet to create and color the multiples in Pascal's Triangle.
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.
Virginia Department of Education
Rational Expressions
Demonstrate the progression of operations with rational expressions through a multi-day instructional activity, equipped with worksheets for each day. High schoolers develop the concepts needed to perform operations with rational...
Curated OER
Proportion
Students investigate proportion and ratio. In this geometry instructional activity, students set up the ratios of proportions correctly and solve for the unknown. They relate it to word problems.
Curated OER
A McTrip Back In Time
Students pretend they are time-travellers and travel back to 1954 to a McDonald's Restaurant to see how prices have changed. They need to add and subtract money with regrouping.
Alabama Learning Exchange
Battle to the Death: Adding Integers
Young scholars explore the concept of adding integers. In this adding integers lesson, students simulate the battle of the 300 spartans at Thermopylae. Young scholars use colored game pieces to represent positive and negative...
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
Rabbits
Students 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
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
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...