Unit 1: Measurement

Question 1

What measuring system does Canada use?

Answer 1

SI/Metric

Question 2

What measuring system does the United States use?

Answer 2

Imperial

Question 3

What is a referent?

Answer 3

Something used to estimate a measure.

Question 4

What imperial unit can you use a thumb length for refernece?

Answer 4

Inch

Question 5

What imperial unit can you use a foot length for reference?

Answer 5

Foot

Question 6

What imperial unit can you use your arm length for reference?

Answer 6

Yard (or a large stride)

Question 7

What is the range of values for metric?

Answer 7

King Henry Dances Merrily Down Country Meadows
k h da ~ d c m
kilo hecto deca ~ deci centi milli

Question 8

What is a prism?

Answer 8

Faces and bases that are parallel to each other—connected by a rectangle.

Question 9

What is a pyramind?

Answer 9

Triangular faces which meet at a point called the apex.

Question 10

What is surface area?

Answer 10

Find the total area of all surfaces (faces that can be touched from the exterior).
Watch out for addition/deletion of surfaces.

Question 11

What is lateral area?

Answer 11

Curved part of cone.

Question 12

What is the slant height?

Answer 12

the distance measured along a lateral face from the base to the apex along the “center” of the face

Question 13

How to find the surface area of composite objects?

Answer 13

Find the area of all sutfaces that are touchable from the outside and add. Be aware of the overlapped faces that are no longer there.

Question 14

What do we assume in the question in surface area questions?

Answer 14

If anything removed is not stated, it is there.

Question 15

What is volume and capacity?

Answer 15

Volume: amount of space a 3D object takes up/occupies
Capacity: amount opf space a 3D object can hold.

Calculations are identical.
V = area of base x height (distance between bases)