Adding/Subtracting
What does k equal?
23 = 4 + k
k = 19
What is the opposite of multiplication?
Division
Abbie has put $40 in her savings. She made 5 deposits with the same amount. Write the equation to find how much was in each deposit, b ?
(Write equation, not the answer)
5b = $40
What does j equal?
8j = 32
j = 4
What is the opposite of addition?
Subtraction
What does m equal?
m - 90 = 100
m = 190
What is the opposite of subtraction?
Addition
Maggie earns $14 more than Victoria raking the yard. Maggie makes a total of $56. Write the equation to figure out how much Victoria made, z?
z + $14 = $56
What does y equal?
250 = 10y
y = 25
614 = a - 389
a = 1,003
What does b equal?
325 + b = 890
b = 565
What operation do I have to do to solve this problem?
5 + m = 20
Subtraction
d - $9 = $70
What does h equal?
h/2 = 24
h = 48
What is a coefficient?
Then number in front of a letter
What does q equal?
q - 78 = 67
q = 145
What is a variable?
A letter that represents an unknown number
Blake is baking chicken and the cooking time is 40mins, which is 4 times the prep time. Write the equation to find how long the prep time, p?
4p = 40
What does a equal?
a/12 = 12
a = 144
What does m equal?
m/7 = 6
m = 42
What does g equal?
1,287 + g = 3,876
g = 2,589
What operation do I have to do to solve this problem?:
p/9 = 9
Mulitplication
Mrs. Davis is buying a turkey. She wants to divide it into 4 ounce servings for 10 people. Write the equation to figure out what size turkey she should buy, t?
t/4 = 10
What does b equal?
20b = 400
b = 20
Two Part Question
Ian and Hunter sell newspapers after school. Ian earned 12 more than Hunter. If Ian earns 34, how much money did Hunter earn? Write and solve the equation for w.
w + 12 = 34, w = 22