Math Vocabulary
What is it called to simplify an expression by grouping numbers and variables?
Combining Like Terms
2x9 - 3(6-1)+1
4
6x – 13 = 11
x= 4
(x+1)/5=10
x = 49
Twice a number, decreased by twenty-nine, is seven.
What is 2t - 29 = 7
This type of math problem has an equal sign.
Equation
9 - 5 ÷ (8 - 3) x2+6
13
3x + 5 = 14
x= 3
(3x+3)/2=9
x = 5
Thirty-two is twice a number increased by eight.
What is 32 = 2a + 8
Another word for numbers used in expressions and equations.
Integers
18 + 36 ÷ 3 x 2
42
(x/2) +10=-8
x= -36
WILD CARD - BONUS 100 POINTS - IF CORRECT
(x+5)/25 = 4
x = 95
Thirty-two is twice a number increased by eight
What is 32=2a+8
Another word for the letters used in expressions and equations.
Variable
WILD CARD - BONUS 100 POINTS - IF CORRECT
50 x 2- (8 x 3 - 1) + (6 - 1) x 2
87
(x/2)-4=10
x= 28
172 = 2(2a + 3)
BONUS QUESTION (PBIS POINTS)
a=7
Eleni is x years old. In thirteen years her age will be twice her sister's age, y
What is x + 13 = 2y
WILD CARD - BONUS 100 POINTS - IF CORRECT
Name of the type of math where numbers and symbols are used to formulate expressions and equations.
Algebra
2+3*(4+(6*3-8)
54
(x/3)+12=-3
x= -45
-54 = (-8x - 52)/2
X =7
Twelve is sixteen less than four times a number.
12=4x-16
In a two step equation what is your first step ?
Add or Subtract.
Simplify: -4(x + 5) - 3x + 12x/3 * 5
13x-20
25 = 1/4n - 3
n = 112
Steps:
25 = 1/4n - 3
+ 3 +3
28 = 1/4n
now multiply by 4 or (4/1), combine like terms and simplify 4 * 1/4n.
4 * 28 = 4 * 1/4n
112 = n
Solving Equations
(4(6 + 5x))/4 = 31
x = 5
Four less than two times a number is equal to three times one plus the same number
2x-3 = 3(x+1)