1.
Identify the first step when evaluating the expression
11 – 10 ÷ 2 + 6 × 1.
A.
10 ÷ 2
B.
11 – 10
C.
6 × 1
D.
2 + 6
Hint
2.
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
3.
Which operation should be performed first in the expression
4 + 8 ÷ 2 × 3 - 10?
A.
subtraction
B.
addition
C.
multiplication
D.
division
Hint
4.
Simplify
A.
27
B.
12
C.
3
D.
36
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.
multiply the number of rolls of film by 3
B.
subtract 3 from the number of rolls of film
C.
add 3 to the number of rolls of film
D.
divide the number of rolls of film by 3
Hint