NTTI
Vectors: Traveling, But in What Direction
High schoolers watch a video of real-world situations regarding speed, direction, velocity, force, etc. and answer questions while viewing. They then practice drawing and using vectors to solve more real-world problems.
Mathed Up!
Area of Sector and Length of Arcs
Viewers learn how to apply proportional reasoning to find area of sectors and arc lengths with a video that starts off explaining how to find the areas of circle sectors and the lengths of arcs. Scholars then practice solving problems...
Curated OER
Understanding Your Pay and Paycheck
Learners discuss as a class, the time delay between the end of a pay period and a person's paycheck. They discuss the difference between gross pay and net pay, and identify the different figures on the sample checks or the check stubs...
Curated OER
A Method of Front-End Arithmetic
Teach the class how to add using front-end addition. They are given a shopping list and use it to practice adding from the largest place value to the smallest. Computational math and shopping, what fun!
Curated OER
Family Activity: Gift Wrapping - Surface Area
In this surface area worksheet, students solve 6 short answer problems. Students determine the amount of gift wrap paper needed to cover a rectangular box using surface area formulas.
Beyond Benign
Municipal Waste Generation
Statistically, waste may become a problem in the future if people do not take action. Using their knowledge of statistics and data representation, pupils take a look at the idea of waste generation. The four-part unit has class members...
Balanced Assessment
Plenty of Pentagons
Why are only four colors needed to color webs from regular pentagons, not five? An assessment task requires young mathematicians to first construct regular pentagons using a compass and straightedge, then has them consider a shape formed...
Agile Mind
Transforming Graphs of Quadratic Functions
In the activity on this webpage, learners use interactive graphing technology to investigate transformations of graphs. In the first part of the task, they look at the graph of a quadratic function with coordinates of a few points...
Illustrative Mathematics
Dilating a Line
High School geometers verify through experimentation certain properties about dilations. This multi-step problem challenges them to construct examples of dilations to verify specific facts, the final step provides an opportunity to more...
Santa Monica College
Introducing Measurements in the Laboratory
We use basic units of measurement to break down things and communicate clearly. The first lesson in an 11-part series teaches the proper way to measure various items. It starts simply with measuring the dimensions and areas of geometric...
Mathed Up!
Sine and Cosine Rules and Area of Triangles
Learners discover how to find missing sides and angles using trigonometry. Scholars first watch a video covering the Law of Sines and Cosines, as well as the area formula for a triangle. To test their knowledge, they complete a...
Mathed Up!
Quadratic Formula
Young scholars explore how to solve any quadratic equation with a video about the quadratic formula. They then use the quadratic formula to solve a set of quadratic equations.
Mathed Up!
Spheres and Cones
Class members learn how to apply formulas for spheres and cones with a video that begins with a review of the formulas for surface area and volume of spheres and cones. Pupils use these formulas to solve problems on a worksheet.
Curated OER
Units Of Measure
Students investigate concepts relating the use of the metric system of measurement. They practice the skill of estimating units and especially which ones to use in certain problems for the most reasonable answer. The lesson includes...
Curated OER
Vectors: How Much Force Can You Apply
This activity entails the viewing of two videos to get an overview of force and its application. The activity covers how vectors use force in real-world situations.
Curated OER
Exploring the Ares 1-X Launch-Downrange Distance
In this Ares 1-X launch instructional activity, students read about the path of this rocket's launch and solve 2 problems. Students find the number of seconds it took the rocket to fall from a given altitude and they determine how far...
Curated OER
Surface Area
In this geometry instructional activity, 10th graders define surface area, net and lateral face. They calculate the surface areas of cones, prisms and cubes. There are 9 surface area questions.
Curated OER
Who Wants to Carry a Million?
Students, in groups, determine the volume of a box large enough to hold a million dollars. They calculate the dimensions of a bill and the volume of the money.
Curated OER
Craters on the Moon
In this moon craters worksheet, students use a high resolution image of the lunar surface and calculate the image scale in meters per millimeter. They use the image scale to find the largest crater in the image, the smallest crater, the...
Curated OER
Mars Rover Landing Site
In this Mars Rover Landing activity, students are given an image of Mars near the Bonneville Crater. Students determine the image scale in the diagram and use it to find the diameter of the Bonneville Crater, the width of the Rover's...
Curated OER
How Big is a Lunar Crater?
For this lunar crater worksheet, students use an image taken by the Lunar Orbiter spacecraft to find the scale of the image and determine the diameter of the lunar crater Tycho. They also find the size of the smallest and largest...
Curated OER
Asteroid Eros
In this asteroid image worksheet, learners observe a photograph taken by the NEAR imager and they determine the scale of the image following the given steps. They solve 4 problems using the scaled image and determine the dimensions, the...
Curated OER
Exploring Egyptian Culture and Pyramids
Learners access a variety of Egyptian Culture and pyramid related resources on the Internet. They explore various websites, read articles, create an Egyptian art figure, construct a model of a pyramid, and describe the mummification...
Curated OER
IBEX Uses Fast-Moving Atoms to Map the Sky!
In this energetic neutral atoms activity, learners solve 3 problems including determining the formula for particle speed, writing the equation to show the relationship between mass, energy and speed and determining the speed of protons...