1.
Evaluate 25 − (6 × 4).
A.
39
B.
76
C.
15
D.
1
Hint
2.
Evaluate 19 − (2 × 7).
A.
5
B.
10
C.
119
D.
177
Hint
3.
Evaluate 21 − (5 × 2).
A.
31
B.
11
C.
32
D.
14
Hint
4.
Evaluate (21 − 10) × 5.
A.
6
B.
29
C.
16
D.
55
Hint
5.
Soledad had 3 hours to read a book. She finished 20 minutes before the end of the 3 hours. Tell which expression represents the number of minutes she read.
A.
3 − 20
B.
20 − 3
C.
20 × 60
D.
(3 × 60) − 20
Hint