1.
Identify the first step when evaluating the expression
11 – 10 ÷ 2 + 6 × 1.
A.
10 ÷ 2
B.
2 + 6
C.
6 × 1
D.
11 – 10
Hint
2.
Evaluate (17 + 15) ÷ (5 - 1).
A.
4
B.
32
C.
19
D.
8
Hint
3.
6 + 2 × 7 - 4 = _________
A.
24
B.
12
C.
52
D.
16
Hint
4.
Insert parentheses to make the equation 9 + 6 × 2 ÷ 3 - 1 = 12 true.
A.
9 + (6 × 2) ÷ 3 - 1 = 12
B.
9 + 6 × 2 ÷ (3 - 1) = 12
C.
(9 + 6) × 2 ÷ 3 - 1 = 12
D.
(9 + 6 × 2) ÷ 3 - 1 = 12
Hint
5.
A local drugstore can develop a roll of film in 3 minutes. Write a rule for calculating the time it takes to develop film.
A.
add 3 to the number of rolls of film
B.
subtract 3 from the number of rolls of film
C.
multiply the number of rolls of film by 3
D.
divide the number of rolls of film by 3
Hint