Curated OER
Formulas from Masses
In this mass worksheet, students determine the percentage composition of given compounds. Students write the empirical formula from the percentage composition. This worksheet has 5 problems to solve.
Curated OER
Buy or Lease an Automobile
Students gather information on 3 new cars they would like to buy or lease, and use mathematical comparisons to decide whether to buy or lease the car.
Yummy Math
Steep Hikes
Grab your hiking gear and get ready for a math adventure! Learners explore the meaning of percent grade change, as compared to the slope in an excellent worksheet activity about hiking trails in the mountains of New Hampshire. They use...
Hawaiʻi State Department of Education
Kapa Designs
I always knew there was a connection between art and math, and this lesson proves it. Fifth graders will use what they know about ratios and percents to design art inspired by Polynesian kapa cloth. A grid, specific guidelines, and the...
Alabama Learning Exchange
The World of Integers
Review operations related to rational numbers and integers using the include PowerPoint presentation, "Interesting Integers." Young mathematicians classify rational numbers as being natural, whole, or integers and read an article about...
It's About Time
What Determines and Limits an Atom's Mass?
Provide learners with the tools to further understand nuclear energy and isotopes. Young chemists investigate the components of an atom's nucleus, use symbols to represent various isotope forms, and use the percent abundance of an atom's...
Curated OER
Pike Problems in Lake Davis
Pike fish pose a threat to native trout and catfish in lakes. Would you drain and poison a lake to get rid of the Pike fish? If the lake was drained and poisoned, then refilled and repopulated with trout and catfish, how would you...
Curated OER
Illegal Fish
Your young fishermen learn about exponential function growth by interpreting the pieces of the given equation within the context of numbers of fish in a lake.
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 1)
This first of twelve algebra 2 resources provides a broad review of many algebra 1 concepts through a number of separable lessons and labs. Starting with the real number system and its subsystems, the sections quickly but thoroughly move...
National Security Agency
Fraction Fever
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
Illustrative Mathematics
Runners' World
Learners must investigate the validity of a claim made in a running magazine. They must identify and look up unprovided information, make appropriate estimations, and be able to convert units. Might be best used as a group or whole-class...
Curated OER
Summer Intern
Your young apprentices build a function describing the percent concentration of salt in a brine. The rational function is then related to the parent function, y= 1/x, and graphed. Finally, the apprentices predict the amount of fresh...
Teach Engineering
About Accuracy and Approximation
How accurate are robots? Groups draw lines by moving robots backwards and forwards by one rotation of the wheels. Using the appropriate formula, they determine the percent error in the length of the lines in relation to the calculated...
National Wildlife Federation
Lights, Camera, Action! Conducting an Energy Audit
Thirty percent of energy used by schools is used inefficiently! Part two in the series of 12 has groups perform energy audits of their schools as part of the Cool Schools Challenge. Each group is assigned a specific room, performs the...
Curated OER
Where's the Water? Stream Side Science
After a whole-class discussion of water reservoirs, ten liters of water are given to each lab group to represent Earth's total amount of water. They divide the water into smaller containers, each representing one of those reservoirs. The...
Inside Mathematics
Vencent's Graphs
I like algebra, but graphing is where I draw the line! Worksheet includes three multiple-part questions on interpreting and drawing line graphs. It focuses on the abstract where neither axis has numbers written in, though both are...
Howard Hughes Medical Institute
Building Ecological Pyramids
Looking for a fresh take on traditional food/energy pyramids? Conduct an innovative activity where pupils build their own! The lesson uses research data from Gorongosa National Park in Mozambique for a real-life safari touch. Scholars...
Inside Mathematics
Party
Thirty at the party won't cost any more than twenty-five. The assessment task provides a scenario for the cost of a party where the initial fee covers a given number of guests. The class determines the cost for specific numbers of guests...
National Wildlife Federation
The Amazing Adventures of Carbon: How Carbon Cycles through the Earth
Here's a stat for your pupils: 18 percent of the human body is carbon! Part 10 in the series of 12 takes pairs on an adventure through the carbon cycle. After a class reading about carbon, pairs read and choose their own adventure...
Science Matters
Ring of Fire
Over a period of 35 years, earthquakes and volcanoes combined only accounted for 1.5 percent of the deaths from natural disasters in the United States. The 15th lesson plan in a 20-part series connects the locations of earthquakes and...
University of North Carolina
Dissertations
Bring on the coffee—it's dissertation time! As a handout on dissertations explains, over 50 percent of PhD candidates never finish their dissertations. The handout, part of a larger series on specific writing styles, helps motivate...
Curated OER
High Number Game
In this decimal and percents worksheet, students read the information about the math game for determining high numbers. Students answer two questions to help them understand decimals and percents.
Curated OER
Proportion to Percentage
In this division worksheet, 7th graders divide the proportion number given by the whole and move the decimal point to place to find the percent value.
Curated OER
Number and Number Relations: Lesson 2
Eighth graders recognize or compute decimal equivalents of fractions. They recognize or compute the percent equivalent of decimal fractions. They relate fraction, decimal, and percent equivalents and recognize decimal equivalents.