Curated OER
Fractions II
Learners reduce fractions to their simplest form. They divide and multiply when needed in order to convert each fraction. This is a quick and easy way to review this skill.
Curated OER
Cross Canceling with Frank and Fred Frog!
In this multiplying and dividing fractions to solve a riddle instructional activity, students use cross canceling to solve the problems. Students solve ten problems.
Curated OER
Multiply Fractions: Math Riddle
In this fraction multiplication riddle worksheet, students solve a riddle by multiplying fractions, reducing to lowest terms and crossing out boxes that contain the answers to solve the riddle.
Curated OER
Writing Formulas by Crossing Over
In this formulas worksheet, students use the cross-over rule to determine the formula for compounds of the elements and polyatomic ions given. Students complete 15 problems.
Curated OER
Fickled Fractions
Students explore which fractions are made real in our world. They also show the relationship of cross multiplication and equivalent fractions To reinforce fraction skills.
START-Education
Equation Solving Review C
I'm a fan of clearing the denominator, but solvers can also find common denominators and cross multiply to solve the linear equations on the worksheet. Each of the six problems has rational coefficients.
Curated OER
It's Not Easy Being Green
Students complete a unit that focuses on their school's waste production. They conduct a litter survey, collect the waste produced in their classroom for a week and generate a waste-audit, and identify how their school can minimize...
Consumers Energy
The Cost of Electricity
How much is your toaster costing you every day? Young environmentalists calculate the monetary costs of household appliances based on their average consumption of wattage.
Curated OER
The 3 R's of Common Denominators
Third graders are shown an alternative method of determining the lowest common denominator of two or more unequal denominators. They complete a worksheet.
Curated OER
Math: "Scales"
Third graders investigate ratios and rates. In this third grade mathematics lesson, 3rd graders identify equal ratios and rate and test for proportionality. This lesson is created to be use in conjunctions with a particular textbook,...