Vocabulary
Identify the coefficient:
3 - 4n = 12
4
If x = 20, evaluate:
2x + 3
43
If p = 3, evaluate:
5p - 5
10
4n = 36
n = 9
x - 12 = 44
x = 56
What word describes the 5 in the following equation?
22v + 5 = 19
Constant
If n = 12.5, evaluate:
2(n + 0.5)
26
If k = 12, evaluate:
12k + 11
155
5n - 1 = 29
n = 6
7n + 2 = 51
n = 7
What word describes the 12 in the following equation?
6 + 12j = 36
Coefficient
If y = 3, evaluate:
2 * 10 - 3y
11
If c = 4, evaluate:
c3 + 6.5
70.5
x2 = 121
x = 11
b2 - 1 = 80
b = 9
What does PEMDAS stand for?
If z = 8.6, evaluate:
1.1z - 3.04
If r = 99, evaluate:
.01r + 1 * 100
100.99
2(x+1) = 62
x = 30
d/5 + 10 = 50
d = 200
Write an expression that has:
1) A constant being subtracted
2) A coefficient of 44
3) A variable
4) Parentheses
Example:
(44y - 12) * 23
Cousin Blort ate seventeen hot dogs for breakfast, and thereafter snacked on two hot dogs per minute.
Write an expression for the number of hot dogs Cousin Blort ate m minutes after breakfast.
2m + 17
Uncle Smedley is balding. Though his head currently supports 3,241 healthy hairs, 99 of his follicles die every day.
Write an expression for the number of live follicles Smedley has after d days.
3,241 - 99d
Aunt Birbira beats me at arm wrestling 80% of the time. She has beaten me 68 times.
Write AND solve an equation for the total number of arm wrestling matches we have had.
.80x = 68
x = 85
Plooff has been selling off her extensive Labubu collection at a rate of 3 per week. She started with 55 and now has 31.
For how many weeks has Plooff been selling her collection? Write AND solve an equation.
55 - 3w = 31
w = 8