Deck 8: Multiplication

Question 1

Isometric projections and isometric drawings are different ways to represent three- dimensional objects. An isometric projection is about 3/4 the size of an isometric drawing. An 9-inch line is drawn on an isometric drawing. How many inches long is the line on the isometric projection?

Answer 1

6 3/4 inches

Question 2

When multiplying mixed numbers, change all mixed numbers to fractions before multiplying.

Answer 2

True

Question 3

The thickness of a washer is 3/32". What is the height, in inches, of a stack of 30 washers?

Answer 3

2 13/16"

Question 4

Multiply and express the product in lowest terms: 9 2/3 x 4 1/4 x 1/2=

Question 5

In the multiplication of common fractions, if the denominators are not the same, a lowest common denominator does need to be determined.

Question 6

The area of a rectangle is found by multiplying its length and its width. What is the area of a rectangle in square inches if the width is 3 1/16 inches and the length is 6 1/2 inches?

Question 7

Multiply and express the product in lowest terms: 2 1/4 x 1 1/8 =

Question 8

Using the diagram above, calculate, in inches, the distance of the length of dimension A.

Question 9

Multiply and express the product in lowest terms: 3/4 x 5/8 =

Question 10

Multiply and express the product in lowest terms: 3 1/8 x 4 1/2 =