1.
Which operation should be done first when evaluating 15 – 5 ÷ 3 + 2 - 1?
A.
subtraction
B.
division
C.
multiplication
D.
addition
Hint
2.
Evaluate (17 + 15) ÷ (5 – 1).
A.
4
B.
19
C.
32
D.
8
Hint
3.
Evaluate 3 × 5 + 12 ÷ 3.
A.
27
B.
11
C.
19
D.
9
Hint
4.
Multiply 45.3 × 10
2
.
A.
4,530
B.
0.453
C.
453
D.
4.53
Hint
5.
The table shows how much time Eva spent in a music chat room on the Internet during the week. Which expression
c
a
nnot be used to find the total number of hours she spent in the chat room?
A.
3(1.5) + 2(1) + 2
B.
5(1.5 + 1) + 2
C.
3 × 1.5 + 2 × 1 + 2
D.
1.5 + 1.5 + 1.5 + 1 + 1 + 2
Hint