One step equations(first two give no points either way.)
Two(or more) step equations(double points if correct, if wrong you don't lose points.
Properties
Mental math
Random math stuff
100
x+5=10. what is x?
x=5
100
2x+5=25. What is x?
x=10
100
5(5+5)=25+25. What property is this?
Distributive.
100
What is 25 times 25?
625
100
what is this property?: 1+2+3+4+5=2+4+3+5+1
Commutative Property of Addition
200
7x=35. what is x?
x=5
200
5x+7(3x-5)=-9. What is x?
x=1
200
(9+10)+2=9+(10+2). What property is this?
Associative Property of Addition
200
what is 1/5/1/5/1/5/1/5/1/5 /1/5/1/5/1/5/1/5/1
1/5 or 0.2
200
What is 321+123=4x. What is x?
x=111
300
9x=108. what is x?
x=12
300
10-5(10x-5)-21+12=2. What is x?
x=12/25 or 0.48
300
if a=b and b=c then does a=c? AND which property is this? (If you only get one of the answers you don't win or lose any points)
Yes AND Transitive.
300
x+25-6x-15=35. What is x?(you can use a piece of paper)
x=-5
300
What is the group of numbers that holds the answer to the square root of -5
Imaginary/I
400
100x=-10 what is x?
x=-0.1 or -1/10
400
The number of seconds in an hour times the sum of 7 plus 5 is__________.(calculator okay for this one)
43200
400
25=x is the same as x=25. What property is this?
Symetric.
400
what is 5 to the 4th power
625
400
12t=12000000000000000 what is t?
1,000,000,000,000,000 or 1 quadrillion
500
72x=2880. what is x?
x=40
500
x+x+5(x+25)-x(5-100)=100. What is x?(calculator okay for this one).
x=-25/102
500
What property is shown by a=a?
Reflexive.
500
What is 5 to the fourth power plus 175?
800
500
what is the 21st digit pi?
6