Filters: Your search found 18 results.
Topics/Subjects:
Number and operations  
Learning Time:
10 to 30 minutes  
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In these math problems, students will examine the characteristics of water droplets in clouds.

Keywords: Clouds; Raindrops
Audience: Middle school
Materials Cost: Free

This is a set of three, one-page problems about the sizes of moons in the solar system. Learners will use decimals to compare the sizes and distances of Saturn's moons to the center of Saturn. Options are presented so that students may learn about... (View More)

Audience: Middle school
Materials Cost: Free

This is a set of two, one-page problems about the sizes of moons in the solar system. Learners will use fractions to compare the sizes and distances of Jupiter's moons. Options are presented so that students may learn about the Juno mission through... (View More)

Audience: Middle school
Materials Cost: Free

In this problem set, learners will calculate the parts-per-thousand measure for different scenarios, including ocean salinity as depicted in the image included. Answer key is provided. This is part of Earth Math: A Brief Mathematical Guide to Earth... (View More)

Keywords: Unit conversion
Audience: Middle school, High school
Materials Cost: Free

In this problem set, learners will analyze a table of electrical consumption of appliances when not in use and consider the total consumption in kilowatt-hours (kWh), associated cost and their own consumption when appliances are in "instant-on" or... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this problem set, learners will calculate energy consumption in kilowatt-hours (kWh) and its associated cost in two scenarios. Answer key is provided. This is part of Earth Math: A Brief Mathematical Guide to Earth Science and Climate Change.

Keywords: Unit conversion
Audience: Middle school, High school
Materials Cost: Free

One particular type of domino game, sometimes called the All Fives Domino game, uses multiples of five in order to score points. It can be the basis for a number of games designed to develop conceptual understanding of multiples of numbers through... (View More)

Keywords: Dominoes

It is common in the real world to see mathematical examples where the cents sign was used when the dollar sign was supposed to be used. Converting and comparing decimals and fractions can help clear up this misconception. Two real coupons clipped... (View More)

Audience: Elementary school
Materials Cost: Free per student

In this activity, students use base-two slide rules, log tapes, and calculators to practice raising exponents in base notation and pulling down exponents in log notation. Students will develop an understanding that antilog notation expresses the... (View More)

In this activity students develop a simplified log table using information from their Log Tapes. Then they use it to solve arithmetic problems by looking up and combining logs, and finding the antilog. Because these problems are extremely simple,... (View More)

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