Deck 5: Combined Operations With Whole Numbers

Question 1

It is often a good idea to write down all of the known information, so you can see it in one place before you begin to solve the problem.

Answer 1

True

Question 2

4473 ÷ 71 =

Answer 2

63

Question 3

A contractor hired five carpenters to work 8 hours per day for 3 days and four carpenters to work 5 hours for 2 day. What is the total number of hours they worked?

Answer 3

160

Question 4

379 ´ 37 __________________

Question 5

A 7-floor apartment building has an average of 7 doors per apartment, and there are 7 apartments on each floor. How many doors are required?

Question 6

The key to solving combined operation problems is to think through the problem and determine what steps must be taken first.

Question 7

The cost of building garages at a new development is $10,500 per garage. If a subcontractor builds five and then sells four at $12,500 each to the developer, how much does the subcontractor now have invested?

Question 8

9576 - 8838 __________________

Question 9

3,157 1,238 + 520 __________________

Question 10

Four helpers are hired and paid $22 per hour. One helper works 5 hours, another 7 hours, another 6 hours and the fourth only 2 hours. What is the total amount the carpenter paid?