1.
Tell which equation represents a way to find the product of 4 × 31.
A.
4 × (30 + 1)
B.
4 × (30 − 1)
C.
4 × (4 + 31)
D.
4 × (31 − 1)
Hint
2.
Use the Distributive Property to rewrite 6 × (20 + 3).
A.
(6 × 20) + (6 × 3)
B.
60 × 20 × 3
C.
(60 + 20) × (60 + 3)
D.
6 × 20 + (6 + 3)
Hint
3.
Use the Distributive Property to rewrite 7 × (30 + 6).
A.
7 × 30 + (7 + 6)
B.
7 × 30 × 6
C.
(7 × 30) + (7 × 6)
D.
(7 + 30) × (7 + 6)
Hint
4.
Find the product of 8 × 14 using mental math.
A.
94
B.
84
C.
122
D.
112
Hint
5.
Find the product of 2 × 67 using mental math.
A.
267
B.
124
C.
134
D.
127
Hint