Lesson 1-5 Review

Date

Multiple Choice:
Which is an example of the Associative Property?
4 + 0 = 4 C. 5 + 7 = 7 + 5
9+8+2 = 9+(8+2) D. 5(12+3)= 5 x 12+ 5 x 3
Multiple Choice:
Which property is 2(3+7) = (2x3) + (2x7) an example of?
Associative C. Distributive
Commutative D. Identity
Short Response:
Show how to use the Distributive Property to simplify the expression 8(27).
= 7( + ) or = 7( - )
= ( x ) + ( x ) = ( x ) - ( x )
= + = -
= =
Write each number using an exponent and the given base.
36, base 6 2. 64, base 2 3. 9, base
4. 1,000, base 10
Simplify each expression.
5. 25 + 5 - (6^2 - 7) 6. 3^3 - (6 + 3)
7. (4^2 + 5) / 7 8. (5-3)^2 / (3^2 - 7)

Vocabulary

Commutative Property: you can add numbers in any order and multiply numbers in any order.
Associative Property: when you add or multiply, you can group the numbers together in any combination.
Identity Property: the sum of 0 and any number is the number. The product of 1and any number is the number.
Distributive Property: use to multiply numbers mentally by breaking apart one of the numbers and writing it as a sum or difference.

Name