Learners solve problems involving tax, tips and discounts. In this algebra lesson, students convert between percents and decimals. They calculate commission using conversion from percents and fractions.

Students convert between decimals and percents. In this algebra activity, students define percent as it relates to sales and tax. They calculate the percents of number using multiplication.

More money for me! Scholars explore two different coupons for Bed Bath & Beyond, one for 20 percent off and one for $5 off an item. Using some concrete examples, they determine conditions for when each coupon would be more beneficial.

Everyone likes to save money! Use your math skills to figure out just how much you can save on a pair of sweet shoes. A vendor is running a percent off sale, with a percent off coupon, and a specific dollar amount coupon—and lets you use...

Students investigate buying purchases in bulk. In this buying in bulk lesson, students consider ways to cut costs and reduce waste in landfills by making bulk purchases.

Brian was devastated when Hostess® filed for bankruptcy, and he was also fearful that his favorite snack treat would be lost forever. The snack food was in danger of being lost, your class won't be lost when using Twinkies® as the...

Students begin by using clay to model fertilization and early development of sea urchins and chordates. They move on to mixing live sea urchin sperm and ova together to observe, diagram and record events occurring in fertilization and...

Students study various aspects of air. In this science lesson plan, students discover that air occupies space, understand the visual effects of air, and explain how air exerts force.

Students recognize and identify common objects that can be used as a lever. In this simple machines lesson, students experiment with materials to design and construct a machine that uses a lever. Students also design and build a catapult.

Students investigate gold. In this gold panning lesson plan, students demonstrate the process of mining through an experiment using two boxes of sand. Students design a safe way to mine gold.

Learners examine the different components that make up soil. Using data, they identify the components of soil in their local area and discover how scientists use the soil to see how it was formed. They also describe the soil forming...

Students examine levers and design a machine that uses a lever as a central component.  In this lever machine lesson students test various machine designs and evaluate their effectiveness.

Students view and discuss a demonstration of how gold is mined and panned. They design and create a tunnel that has reinforcements to withstand collapse.

Students construct a device to 'launch' a marshmallow at the teacher and then discuss various forms of levers. They work in teams to design catapults and identify different kinds of levers.

Students explore modes for addition.  In this K-2 mathematics lesson, students investigate the four models of addition (counting, sets, number line, and balanced equations) using dominoes.  Students examine the relationship...