This property states that the order in which numbers are multiplied or added does not matter.
What is the commutative property?
100
6(a + 4)
What is 6a + 24?
100
7y + 2y + 3 + 4
What is 9y + 7
100
factor: 4x - 28
What is 4(x - 7)?
200
2(d + 9) when d = 8
What is 34?
200
Name the property shown by the following statement:
2 * (5 * n) = (2 * 5) *n
What is the associative property?
200
-3(y - 10)
What is -3y + 30
200
(x - 1) + (2x + 3)
What is 3x + 2?
200
Factor: 7x + 30
What is Cannot be factored?
300
4f + d when f = 4 and d = -8
What is 8?
300
This property says that adding 0 to any number, the sum is the number.
What is identity property of addition?
300
-2(3a - 2b)
What is -6a + 4b?
300
6(x + 7) + (x + 3)
What is 7x + 45?
300
Factor: 12x + 30y
What is 6(2x + 5y)?
400
Maria paid a $5 entry fee and $2 per game at the carnival. Write an algebraic expression for this situation.
What is her total amount spent if she plays 7 games?
What is
5 + 2g
$19 spent
400
State whether the following statement is true or false:
Division of whole numbers in commutative.
What is false?
400
(3n + 6p)(-4)
What is -12n -24p?
400
(9x + 5) - (4x + 3)
What is 5x + 2?
400
Factor: -32x - 24y
What is -8(4x + 3y)
500
A website charges $0.99 to download a game and a $12.49 membership fee. Write an expression to show the total cost in dollars to download g games.
Find the cost of downloading 6 games.
What is
12.49 + 0.99g
$18.43
500
Lance made four phone calls from his cell phone. The calls lasted 4.7, 9.4, 2.3 and 10.6 minutes. Use mental math to calculate the total time he spent on the phone.