Clue Vocabulary words
What operation is "sum" used for?
Addition
After paying $5.12 for a salad, Nora has $27.10. How much money did he have before buying the salad?
Let m = money Nora has before buying a salad
27.10 = m - 5.12
+ 5.12 + 5.12
m = 32.22
Nora had $32.22 before buying the salad.
Solve the one-step addition/subtraction equation:
z-6=1
z - 6 = 1 CHECK: z - 6 = 1
+ 6 +6 7 - 6 = 1
z = 7 1 = 1
Solve the one-step equation:
5m = 10
5m = 10 CHECK 5m = 10
/5 /5 5(2) = 10
m = 2 10 = 10
Identify the independent and dependent variables in the given word problems.
Avocados cost $3 per pound. Write the two variables that represent the cost of buying avacados
Independent- x pounds of avocados
Dependent- y cost of avocados
What operation is "double" used for?
multiplication
How many boxes of envelopes can you buy with $12 if one box costs $3?
Let b = boxes of envelopes
12 = 3b
/3 /3
b= 4
You can buy 4 boxes of envelopes
Solve the one-step addition/subtraction equation:
y + 5 = 10
y + 5 = 10 CHECK: y + 5 = 10
- 5 - 5 5 + 5 = 10
y = 5. 10 = 10
Solve the one-step equation:
4h = 16
4h = 16 CHECK 4h = 16
/4 /4 4(4)= 16
h = 4 16 = 16
The equation p = 8.65h gives the amount of p (in dollars) of pay a clerk receives for working h hours.
independent- hours working
dependent- amount of $ a clerk receives
What operation is "difference" used for?
subtraction
Your mother gave you $13.32 with which to buy a present. This covered 3/5 of the cost. How much did the present cost?
let p = the cost of the present
13.32 = 3/5p
x5/3 x5/3
$22.20 = p
The present costs $22.20
Solve the one-step addition/subtraction equation:
t - 8 = 0
t - 8 = 0 CHECK: t - 8 = 0
+ 8 + 8 8 - 8 = 0
t = 8 0 = 0
Solve the one-step equation:
n/9 = 2
n/9 = 2 CHECK n/9 = 2
x 9 x9 18/9 = 2
n = 18 2 = 2
The equation P = 4s gives the perimeter P (in inches) of a square mouse pad with a side length of s inches.
independent- S represents side lengths of square
dependent- P represents perimeter of sq mouse pad
What operation is the word "quotient" used for?
division
How many packages of diapers can you buy with $40 if one package costs $8?
Let d = # of diaper packages
40 = 8d
/8 /8
d = 5
You can buy 5 packages of diapers.
Solve the one-step addition/subtraction equation:
31 = x - 9
31 = x - 9 CHECK: 31 = x - 9
+ 9 + 9 31 = 40 - 9
40 = x 31 = 31
Solve the one-step equation:
3x = 0
3x = 0 CHECK 3x = 0
/3 /3 3 x 0 = 0
x = 0 0 = 0
independent- t represents sales tax
dependent- c represents total cost
what does the word "is" mean?
equal
If the weight of a package is multiplied by 5/7 the result is 40.5 pounds. Find the weight of the package.
Let x = # of additional cups of sugar needed.
3-1/4 = 3-1/9 + x
-3-4/36 -3-4/36
5/36 = x 5/36 more cups of sugar needed.
Solve the one-step addition/subtraction equation:
46 + x = 71
46 + x = 71 CHECK: 46 + x = 71
-46 -46 46 + 25 = 71
x = 25 71 = 71
Solve the one-step equation:
h/3 = 7
h/3 = 7 CHECK h/3 = 7
x3 x3 21/3 = 7
h = 21 7 = 7
The maximum size of a text message is 160 characters. A space counts as one character. Write an equation in two variables that represents the remaining (unused) characters in a text as you type. How many characters remain in the message shown?
independent- x represents # of typed characters
dependent- y represents # of remaining characters