1.
Rewrite 20(8 + 3) using the distributive property.
A.
20 + 8 × 20 + 3
B.
20 × 8 + 3
C.
20 × 8 × 3
D.
20 × 8 + 20 × 3
Hint
2.
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
3.
A stamp costs $0.33. How much would a book of 20 stamps cost?
A.
$66
B.
$12
C.
$3.60
D.
$6.60
Hint
4.
What property is shown by the equation (3 × 4) × 5 = 3 × (4 × 5)?
A.
Distributive Property
B.
Associative Property of Multiplication
C.
Commutative Property of Multiplication
D.
Multiplicative Identity
Hint
5.
Find 102 + 57 + 98 mentally.
A.
261
B.
257
C.
159
D.
167
Hint