1.
6 + 2 × 7 - 4 = _________
A.
16
B.
52
C.
12
D.
24
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.
12
B.
27
C.
36
D.
3
Hint
5.
Jenna charges $10 for the first two hours of babysitting, and $3 for every additional hour. How much does Jenna charge for four hours of babysitting?
A.
$40
B.
$13
C.
$16
D.
$12
Hint