Estimation
Tolerance (and Stacking)
Conversion (Dimensional Analysis)
Vocab
Random
100
Give me a practical example where you might need estimation in your trade you're in right now.
Its gotta be a good example yo
100
ALL ROOM: What is the numerical sign we use the MOST when talking about tolerance?
A. %
B. ±
C. x
D. ÷
B.±
100
Sammy measured a 3 foot pipe for some plumbing he was doing, how many inches of pipe does he have?
36 inches
100
Are these units metric or imperial?:
seconds, liters, grams
Metric
100
Which actor plays Odysseus in the most recent movie "The Odyssey?"
Matt Damon
200
If you were measuring the width of my classroom, what would be a good benchmark?
Your foot, one of the desks, (insert following the definition of a benchmark)
200
A chef makes a batch of cookies. The requirement by the kitchen is that the cookies need to be 30 grams ± 4 grams. Which cookies pass the kitchen requirement?
33 grams, 26 grams, 35 grams, 34.1 grams, 29.2 grams
33 Grams, 26 Grams, 29.2 Grams
200
A small engine shop purchases 50 yards of copper wire for work on snowmobile repairs. The European Models they're working on measure out copper in centimeters.
How many total centimeters of wire does the shop have?
Conversion rate: 1 yard = 91.44 cm
4572 centimeters
200
If I was measuring the length of a football field in yards, what is the closest metric equivalent I could measure with?
Meters
200
What is the Capital of Nebraska?
Lincoln
300
Estimate the following: how many students is Elevate Academy designed to serve (at max)? (you need to be within 40 on either side of the number)
Approximate: 488
(448 - 528)
300
A small engine cylinder bore is specified as:
3.500 in ± 0.002 in
A mechanic measures the cylinder bore on three engines and gets:
3.503 in, 3.498 in, and 3.520
Which pass and which fail?
Pass: 3.498 in
Fail: 3.503 in and 3.520 in
300
ALL ROOM QUESTION:
A small engine mechanic needs to fill a coolant system with 2.5 gallons of coolant. How many milliliters of coolant is that?
Use:
- 1 gal = 4 qt
- 1 qt = 946 mL
9,460 mL
300
Define the term "Tolerance" used in measurements
the amount a measurement can be "off" by and still be "okay".
300
What number Elevate School is Twin Falls?
The Fifth Campus
400
A standard kitchen refrigerator is about 3 feet tall, a school bus is about 10 feet tall, and a basketball hoop is about 30 feet tall.
Which estimate is the most unreasonable and why?
The Basketball Hoop. Regulation is no higher than 10 feet.
400
A recipe calls for 4 cookies to be stacked in a container. Each cookie is supposed to be ½ inch thick, with a tolerance of ± ⅛ inch.
Using the principle and the tolerance, what is the thickest a cookie can be and what is the thinnest a cookie can be in inches to fit in the box?
1½ inches to 2½ inches
400
A powersports engine requires 45 N·m (newton-meters) of torque. Your torque wrench is marked in ft·lb. What should you set the wrench to?
Use: 1 N·m ≈ 0.738 ft·lb
33.21 ft·lbs
400
Would you call this target
A. Accurate but not precise
B. Accurate AND Precise
C. Precise but NOT accurate
D. Not accurate nor precise
A. Accurate but not precise
400
What state was Beyonce born in?
Texas
500
ALL ROOM QUESTION: A mechanic is replacing a chain on a dirt bike. The old chain has approximately 120 links. Each link is about 0.5 inch long. Without calculating exactly, about how many feet long is the chain? (The whole room gets 60 seconds) Write your answer on the whiteboard.
About 5 feet
500
A restaurant uses a container that has a maximum inside height of 4 inches.
A stack of 6 pancakes is supposed to be ½ inch thick per pancake, with a tolerance of ± ⅛ inch per pancake.
Will a stack of 6 pancakes always fit inside the container? Why or why not?
Each pancake's max is: (1/2) + (1/8) = 5/8 inch
5/8 inch x 6 = 3¾ inches
3¾ inches < 4 inches
They WILL fit.
500
A snowmobile travels 18 miles in 24 minutes. What is its average speed in feet per second?
Use:
- 1 mile = 5,280 ft
- 1 minute = 60 sec
66 ft/second
500
A teacher asks a student to measure a board at 12 feet ± 3 grams.
There are two things wrong with what the teacher said, what are the two things that are wrong? (use vocab in your answer)
1. The First Unit is length and the second is weight
2. The First Unit is Imperial and the second is Metric
500
What country is Idaho TWICE the size of?
A. Switzerland
B. Guatemala
C. Argentina
D. South Africa
B. Guatemala