Name That Property
10(1)=10
Multiplicative Identity of One
15a + 6
What is the vocab word for the letter a?
Variable
2a + 24
when a is 6
36
5 + 8 ÷ 2 – 7
2
I am 5 years older than my little sister. How old will I be when my little sister is 34?
39
23+5=5+23
Commutative Property of Addition
22b + 10
What is the vocab word for 22?
Coefficient
5b + 6x
when b=4 and x=10
80
17 × 3 + 15 ÷ 3
56
I am 5 years older than my little sister. Write an expression to find my age when my sister is n years old.
n + 5
p+0=p
Additive Identity Property of Zero
18r + 26
What is the vocab word for 26?
Constant
4a2 + 7b - 30
when a=3 and b=5
41
16 ÷ 8 + 5 + 17
24
One bag of candy has 6 pieces in it. How many pieces of candy are in 14 bags?
84
14 x (4 x 6)=(14 x 4) x 6
Use proper vocab to write this expression in words
2(x+9)
two times the quantity of x plus 9
x2 + 5y + 2xy
When x=4 and y=5
81
(20 + 80 ÷ 2 × 8) ÷ (54 ÷ 9 + 14)
17
One bag of candy has 6 pieces in it. Write an expression to show how many pieces are in b bags.
6b OR b x 6
Commutative Property of Multiplication
Write a corresponding expression
six less than the product of 18 and w
18w - 6
(45 - y) / (x+6)
When y=9 and x=3
4
(24 - 15)2 + 24 ÷ 2
89
One night at her job, a waitress made $8 an hour plus $150 in tips. Write an expression to show how much money she made for working h hours.
8h + 150