Estimating
What units would you use to estimate the length of a book?
Inches
What unit could you use to measure your weight?
Pounds or kilograms.
What unit could you use to measure the temperature outside?
Degrees Fahrenheit or Celsius.
What tool can we use to measure time?
A clock, a stopwatch, etc.
Antwann is shooting targets in gym class. He hits the bullseye 3 times and hits the ring outside the bullseye once. Is he accurate or precise?
Both accurate & precise
Bonus Question (Easy):
What color are Ms. Haas's socks?
Take a look!
Would you measure a book or a car with centimeters?
A book
Which is longer: a foot or a meter?
A meter.
A measuring tape measures what?
Length, width, or height!
A cup of coffee is 135 degrees Fahrenheit. 3 different thermometers measure 130 degrees, 125 degrees, and 145 degrees. Are the measurements precise?
No they aren't.
Estimate the number of chairs in the classroom. Answer should be within 2 chairs of the actual amount.
There are 37 chairs.
Would you measure a school day in seconds, minutes, or hours?
Hours.
Would you measure a school year in days, weeks, or months?
Months.
What tool can be used to measure volume?
Measuring cup, volumetric flask, etc.
The average height for a high school girl is 5 feet and four inches. In Ms. Haas's homeroom, 5 girls are 5 foot 4 inches, 5 foot 3 inches, 5 foot 6 inches, 5 foot 4 inches, 5 foot 5 inches. Are these heights accurate or precise?
Both accurate and precise. All measurements are close to the "actual height" and are also close together.
What units would you use to estimate the length of a football stadium: feet, yards, or miles?
Yards.
Why do we have 3 names for length (length, width, and height)? Does it matter what we use?
Because we live in a 3 dimensional world. Height applies to how tall an object is, but length and width are interchangable.
What is the width and length of a sheet of paper?
8.5 inches wide and 11 inches long.
What tool do we use to measure the mass or weight of an object?
A scale.
Rebecca measures her weight once a day for 5 days. She measures 185 lbs, 183 lbs, 183 lbs, 186 lbs, and 188 lbs. Her drivers license says she weighs 175 lbs. Are her measurements accurate or precise?
Precise. They are close together but not close to her "actual" weight.
Estimate the height of the brown cabinets in the back of the room. Answer should be within 6 inches of the actual height.
Actual answer: 7 foot 1 inch
Bonus Question (Medium):
What is Ms. Haas's favorite OR least favorite number?
(Answering both gets an extra 100 points)
Favorite: 4
Least Favorite: 7
1440 minutes.
Name 3 tools that we can use to measure the length of an object.
Measuring tape, ruler, yardstick, meterstick, other.
Ms. Haas measures a 4 foot piece of wood with different tools and got the following measurements:
1. Yardstick: 3 feet
2. Ruler: 3 feet 11 inches
3. Estimating: 3 feet 6 inches
4. Tape Measure: 4 feet
Was her collection of measurements accurate and precise? Defend your answer.
Ms. Haas's answer: Not accurate or precise.
Other answers will be accepted with enough justificaiton.
Using inches as your unit, estimate the length, width, and height of a student desk. Answer should be within 4 inches of the actual length.
Length: 18 inches
Width: 24 inches
Height: 30 inches
The area of a room is 600 square feet. Give 3 possible dimensions the room could be (a length and a width that would have an area of 600).
Possible answers:
20 ft x 30 ft, 10 ft x 60 ft, 15 ft x 40 ft, 5 ft x 120 ft, 3 ft x 200 ft, etc.
I ran out of question ideas. Beat Ms. Haas in an arm wrestling match to win the points.
Did you win?
Ms. Haas asks you to bake a batch of cookies. Name 3 or more tools that you might be asked to use?
Measuring cups, kitchen scale, measuring spoons, number of eggs.
Bonus Question (Really Hard):
What's the name of Ms. Haas's cat?
Ellowyn