Washer and Candy lab Can you guess the number of each? Teacher Notes Materials Needed: Bags or cups, enough for 1 per group of students. Two objects such as nuts, bolts, washers, candy, etc or 16d and 8d nails (they need to be uniform size), etc. A scale that weighs in grams. Procedure: The teacher will weigh one washer and one … Read More

## A Simple but Powerful Example of Contextualized Mathematics

Below is an activity provided by Dave Pfortmiller. This activity could be used in either Geometry in Construction or AMPED. Thanks Dave. What is the slope of the vent stack? What is the slope of the Main sewer line drain? What is the slope of the floor? What is the slope of the vent from the bathtub? What is the … Read More

## A New Trail Mix Snack for Hiking: A Pearson Square Mixture Activity

Situation: AMPED students are expanding their entrepreneur spirit into food production. They have decided to create a new cereal snack mix with a 18% protein content. Below is a listing of the possible ingredients that you can combine to create this mix. Ingredients Protein Content Cost (cents per oz) Cheerios 9% 17 Frosted Flakes 6% 15 Peanuts 26% 14 Popcorn … Read More

## First T-Shirt Job

Below are the 6 slips of paper to be handed to each group of 4 students. The students are to read out loud, and work to complete the questions (Group Goal) listed on the last slip of paper. Thanks to Casey Korn, Sam Haug, and Alex Adkisson for this activity. First T-shirt Job Slip 1 It took AMPED 120 … Read More

## The 30-60-90 Challenge

Goal: Draw a 30 and 60 degree angle using only a framing square. Twelve sided columns were used in many historical homes. How did carpenters then (and now) use the framing square to create the needed angles of 30 and 60 degrees? Materials allowed: Paper, pencil, framing square, and your knowledge about the ratios of the sides in a 30-60 … Read More

## Happy Catering

Happy Catering Clue 1 All catering packages feed 12 people. A green salad and 12 half wraps will cost $90. How much does a green salad cost? Happy Catering Clue 2 Salads are large enough to feed 12 people. A green salad and 12 half burgers will set you back $90 A green salad cost the same as 4 … Read More

## Framing Square Lessons

Materials needed: Access to a framing square. Access to a computer if needed for research. The framing square needs to be full size with all of the tables, etc on it. Many of the cheap squares will not have the tables. 1. Explain what this scale is used for and how to use it. Illustrate with 12.9 feet. … Read More

## Create a Tool

Goal: Create a tape measure that will automatically (no calculation needed) calculate the diameter of a pipe by wrapping it around the outside (circumference) of the pipe. The tape measure should be able to measure diameters up to 8 inches. The tape measure should be accurate the the nearest 1/2 inch diameter. Explain/show the process you used to solve the problem. … Read More

## Laying Out a Circle

Old time carpenters were able to use framing squares to do amazing design work. They were able to draw perfect circles with a framing square without using the center point of a circle. Challenge: Draw a 6 inch diameter circle on a piece of OSB using a framing square without using the center point of the circle. Materials: scrap OSB board, … Read More

## Marking Angles Using a Speed Square

The process for marking an angle using a speed square is shown below. Swing the square until you read the desired angle (33-1/2 degree) on the board’s edge (photo top left), and make your mark. The line shown being marked (with pencil) is a 33-1/2 degree angle. Math Standard: G.CO.9-10 Explain why this is true through a paragraph proof. Use drawings … Read More