1.
How could you find 5 × 17 mentally using the distributive property?
A.
5 × 10 + 5 × 7
B.
5 × 10 - 5 × 7
C.
5 × 10 × 5 × 7
D.
5 + 10 × 5 + 7
Hint
2.
Find 102 × 8 mentally using the distributive property.
A.
826
B.
802
C.
808
D.
816
Hint
3.
Find 125 × 5 using the distributive property.
A.
625
B.
680
C.
500
D.
225
Hint
4.
Jocelyn measures that one cement brick is about 9.2 inches long. If she needs to build a wall that will be 8 bricks across, how many inches across will the wall be?
A.
73.6 in.
B.
72.4 in.
C.
72.8 in.
D.
63.5 in.
Hint
5.
Find 5 × 9 × 4 mentally.
A.
45
B.
156
C.
180
D.
594
Hint