Deck 10: Combined Operations With Common Fractions

Question 1

Two rooms are each 18 feet by 10 1/4 feet, and a third room measures 18 1/2 feet by 20 feet. How many square feet of hardwood flooring will be required for the three rooms?

Answer 1

739

Question 2

Three people are hired as part-time helpers to pick up after carpenters have completed a construction job. They work 1 3/4 hours, 5 1/4 hours, and 2 hours every day for 5 days. What is the total number of hours all three people work?

Answer 2

45

Question 3

There are 650 square feet of hardwood flooring needed. Hardwood flooring may be ordered only in units of 25 square feet. How many units must be ordered?

Answer 3

26

Question 4

Masons are paid $11.30 per hour for a 40 hour week and time and one-half for overtime. How much will a mason be paid for working 44 hours?

Question 5

A 800 foot roll of 151-pound slater's felt is used to repair a roof before laying new shingles. If 1/4 of the roll is used, how many feet remain?

Question 6

A carpenter can place 5 floor joists in 1/4 hour. At this rate, how much time is required to place 100 floor joists?

Question 7

Fractions in multiplication and division need to be converted to common denominators.

Question 8

If 1/4 inch on a drawing represents 1 foot, how many inches on the drawing represents 12 feet?

Question 9

How many 3 1/2 inch lengths can be cut from a 5 foot pole? (Make no allowance for saw kerfs.)

Question 10

Convert all fractions that will be used in addition or subtraction to their lowest common denominators.