I Want to Be an Astronaut Because

1. Ann took 3 rolls of pictures with 12 pictures on each roll of him. When she developed them, 8 pictures were bad. Write an expression for the number of good pictures Ann took, and then find its value.
 
2. Joel multiplied both sides of an equation by a number and got a new value of 48. If the equation was 18 3 = 23 – 17, what number did Joel multiply the equation by?
(A) 8
(B) 7
(C) 5
(D) 4
 
3. Anna studied her spelling words from 11:36 AM until 11:55 AM . She studied again from 2:46 PM until 3: 03 PM . How long did she study?
 
4. Which expression matches with the statement –
“30 greeting cards put equally into B boxes”
(A) 30 + B
(B) 30 – B
(C) 30 ´ B
(D) 30 ¸ B
 
5. Find the value of the expression
6 ´ z If z = 8
 
6. Write an expression. John painted 6 pictures. He destroyed 3 and painted 4 more.
 
7. David started reading at 11:23 AM . He spent 3 hours and 46 minutes reading. When did he finish?
 
8. Brandon put 8 ounces of cheese on each of 9 large pizzas. If he bought 96 ounces of cheese, how many ounces of cheese were left over?
(A) 24 ounces
(B) 88 ounces
(C) 72 ounces
(D) 168 ounces
 
9. Mr. Philip worked 7 hours each day for 4 days. He also worked 5 hours on Saturday. How many hours did he work?
 
10. Trevor bought a lamp for $28.45. He got $11.55 in change. How much money did he give to the clerk?