Math Vocabulary
This type of math problem has no equal sign.
Expression
4 = -8 + x
x= 12
20x – 14 = 26
x= 2
Tanner bought some DVDs for $12.50 each. Write an expression that represents Tanner's cost for d DVDs.
12.5d
This type of math problem has an equal sign.
Equation
x + 12 = 0
x= -12
3x + 5 = 14
x= 3
Last Friday Alex had $22.33. Over the weekend he received some money for cleaning the attic. He now has $32. How much money did he receive?
$9.67
Another word for numbers used in expressions and equations.
Constant
3 = -2 – x
x= -5
(x/2) +10=-8
x= -36
WILD CARD - BONUS 100 POINTS - IF CORRECT
The Maxwell children have hired a caterer to provide food for an anniversary party for their parents. The caterer has quoted a price of $96 per person and is asking for an advance payment of one-fourth of the total bill. If the advance payment is $1200, how many guests are invited to the party?
50 people
Another word for the letters used in expressions and equations.
Variable
WILD CARD - BONUS 100 POINTS - IF CORRECT
-5x = -80
x= 16
(x/2)-4=10
x= 28
Niki and her best friend found some money buried in a field. They split the money evenly, each getting $24.28. How much money did they find?
$48.56
Name of the type of math where numbers and symbols are used to formulate expressions and equations.
Algebra
-16 = x/2
x= -32
(x/3)+12=-3
x= -45
Jacob makes $13 an hour working at TGIF. He works x hours and makes a total of $195. Write and equation and solve.
13x = 195
x = 15
A numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. the '4' in 4x or 4y).
Coefficient
w/4 = -8
w = -32
6x2 = 216
Divide by 6 first, then find the square root of each side.
x = 6
Mason wanted make enough bracelets for each of her 3 friends. The bag of beads contains 100 beads. How many beads could she use on each bracelet?
33