Activity
Illustrative Mathematics

Checking a calculation of a decimal exponent

For Teachers 9th - 12th Standards
In a writing prompt, learners are asked to check the calculation of a decimal exponent without a calculator. Use as an opener or assessment after studying fractional exponents. Requires a strong understanding of exponents and roots to...
Activity
Houston Area Calculus Teachers

Area and Volume

For Students 11th - Higher Ed
An AP calculus lesson begins with an activity to determine the volume of a solid using a cross-section. Next, learners review the ways to find the area between two curves , as well how to find the volume of a solid created...
Lesson Plan
Illustrative Mathematics

Placing a Square Root on the Number Line

For Teachers 7th - 9th Standards
There are many ways to approach finding the rational approximation of an unknown square root. Here is a problem that will help math learners make a connection between square roots and their order on a number line. As usual, determine two...
Lesson Plan
Illustrative Mathematics

Finding an Unknown Angle

For Teachers 4th - 6th Standards
Teach your class how to apply their knowledge of geometry as they explore the unknown. In order to find an unknown angle, learners must understand that rectangles have four interior right angles, that right angles have 90 degrees, and...
Activity
101 Questions

A Cyclist's Marriage Proposal

For Teachers 6th - 8th Standards
One cyclist goes to great lengths to make his proposal! Your classes must figure out just what length that is. Using a map with a bike route that spells out Marry Me, learners calculate the total distance of the ride. They base their...
Activity
1
1
Teach Engineering

Energy on a Roller Coaster

For Teachers 9th - 12th Standards
Roll with your class into the idea of conservation of energy. Pupils use a roller coaster track to collect data to reinforce the concept of conservation of energy and the influence of friction. Class members then create a graph from...
Activity
Firelands Local Schools

Exponential Growth and Decay

For Students 9th - 12th Standards
How can you safely model exponential growth and decay? A hands-on activity uses candies to model not only exponential decay, but also exponential growth. Exponential equations are fitted by hand and by use of a calculator...
Lesson Plan
Illustrative Mathematics

Calculating and Rounding Numbers

For Teachers 7th - 9th Standards
Mathematicians need to know that not all numbers are rational. We approximate irrational number with rational numbers. That is why a calculator may be misleading. This task give learners an opportunity to see how rounding a number and...
Activity
Illustrative Mathematics

Solar Eclipse

For Teachers 9th - 11th Standards
Learners take on the role of astronomers, calculating conditions necessary for a total solar eclipse. Concepts of similar triangles and properties of circles come together as pupils create ratios and use real measurements in determining...
Lesson Plan
Illustrative Mathematics

Two Wheels and a Belt

For Teachers 9th - 10th Standards
Geometry gets an engineering treatment in an exercise involving a belt wrapped around two wheels of different dimensions. Along with the wheels, this belt problem connects concepts of right triangles, tangent lines, arc length, and...
Activity
Howard County Schools

Building a Playground

For Teachers 9th - 11th Standards
Scholars crave practical application. Let them use the different models of a quadratic function to plan the size and shape of a school playground. They convert between the different forms and maximize area.
Activity
2
2
Teach Engineering

Using Hooke's Law to Understand Materials

For Teachers 10th - 12th Standards
Provide a Hooke for a lesson on elasticity with an activity that has groups investigate a set of springs. They use a set procedure to collect data to calculate the spring constant for each spring using Hooke's Law. The groups...
Lesson Plan
Illustrative Mathematics

Sharing Prize Money

For Teachers 6th - 8th Standards
When three classrooms are to split up prize money, your mathematicians must find the percentage that each class deserves and calculate the total amount. There is an option to use a calculator and practice rounding. 
Lesson Plan
Curated OER

Compounding with a 5% Interest Rate

For Teachers 9th - 12th Standards
The balance in an account continuously compounding interest is the context of this engaging task. Your young accountants will investigate the ending balance in an account as they compound the interest more and more. Learners write the...
Activity
Houston Area Calculus Teachers

Related Rates

For Students 11th - Higher Ed
Use a hands-on approach to exploring the concepts of related rates in your AP Calculus class. Individuals explore the effect of the rate of change on a variable related to a variable they control. After analyzing the data they...
Lesson Plan
Illustrative Mathematics

Comparing Rational and Irrational Number

For Teachers 7th - 9th Standards
Algebra learners must know how to use rational numbers to approximate irrationals. This resource asks participants to decide which number is larger without using a calculator. It makes a great exercise to use as a five-minute transition...
Activity
Computer Science Unplugged

Drawing Lines with Pixels

For Teachers 4th - 12th Standards
How do the computers keep it straight? Using the provided algorithms, class members draw a line and a circle using pixels. They then check the drawings using a straight edge and compass to determine the accuracy of their...
Activity
2
2
Illustrative Mathematics

Calculating the square root of 2

For Teachers 7th - 10th Standards
Does a calculator give you the exact value of the square root of 2? Here, learners must decide if 1.414236 is equal to the square root of 2. They must also explain why the square root of 2 could never be equal to a terminating decimal....
Activity
Teach Engineering

Efficiency of a Water Heating System

For Teachers 8th - 10th Standards
Tired of waiting for hot water? Groups of three determine the efficiency of an electric water-heating device. They calculate the amount of energy it takes to heat the water and the theoretical amount of energy required to heat the water....
Activity
1
1
Teach Engineering

The Great Gravity Escape

For Teachers 6th - 8th Standards
Groups simulate an orbit using a piece of string and a water balloon. Individuals spin in a circular path and calculate the balloon's velocity when the clothes pin can no longer hold onto the balloon.
Activity
1
1
Teach Engineering

An Inflated Impression of Mars

For Teachers 6th - 8th Standards
Help your class understand the magnitude of the distance between Earth and Mars with an activity that asks small groups to use balloons to create scale models of the Earth, Moon, and Mars. Class members figure out the distances...
Activity
Student Handouts

Tournament Tally Cards

For Students 3rd - 12th
Use a progressive tally sheet to keep track of a class tournament. With seven rounds of two-table play, a place for noting points, and directions for use, the resource is a fun way for kids to compete in or out of class.
Activity
101 Questions

Ferris Wheel

For Teachers 9th - 12th Standards
Around and around you'll go! Learners analyze the periodic nature of a Ferris wheel. Using a trigonometric function, they make predictions about the location of a specific car at the end of the ride and its total trips around the circle.
Activity
NASA

Make a Planetary Exploration Balloon

For Teachers 3rd - 12th Standards
Balloons aren't just for parties! An inquiry-based lesson explores the idea of using balloons for space exploration. Learners become engineers as they attempt to control the ascent and descent of a helium balloon using different masses.