How many TERMS are in this expression?
5r + 4s + 3w
Three terms
1. 5r 2. 4s 3. 3w
What property is being demonstrated?
9 x 7 = 7 x 9
Commutative Property
Which terms are LIKE TERMS?
7y + 3 + 5x + y
2 are like terms
7y & y
Which property is being shown?
(3 + 1) + 5 = 3 + (1 + 5)
associative property
Anthony and 4 friends went to a basketball game. Admission to the game was $x. Write an expression to describe the total cost of the tickets.
5x
Identify the coefficients
8x + 2y + y + 9
There are 3 coefficients -
8, 2, and 1
Which property is being demonstrated?
4 ( 3x + 2y) = 12x + 8y
distributive property
One variety pack of music has 6 country albums and 2 rock albums. Country albums cost $c and rock albums cost $r. How much would it cost to buy 2 variety packs? Write and simplify an expression
2(6c + 2r) Final Answer 12c + 4r
Which terms are constants?
6x + 22 + 5y
There is only one term that is a constant -
22
Which property is being demonstrated?
a + b + c = b + c + a
Commutative Property.
Alex bought 6 shirts at $s. Also 3 of the shirts came with matching shorts for an extra $9 a piece. Write and simplify the expression.
6s + 27
Which expressions are EQUIVALENT EXPRESSION? There many be more than one answer.
a) 3r + 7r + 6 = 10r +6
b) 5y x 2w = 2w x 5y
c) 3 (x + 2y) = 3x + 2y
d) ( 3 x 4 ) x 9 = 3 x ( 4 x 9 )
a, b, and d are equivalent expressions c is not equivalent
Which property is being demonstrated?
8 + 0 = 8
The identity property of addition OR the identity property of zero.
Write and simplify an expression for the word problem - Madison is making baskets. Each basket has 2 Katy Perry CDs and 3 One Direction posters. The CDs cost $k and the posters cost $p. How much will she spend if she wants to make 5 baskets?
5*(2k+ 3p)=10k + 15p