8th Grade
Math
Math
Mrs. Tee Worked from 7:05 am to 3:19 pm. How many hours did Mrs.Baker Work?
8 hours 14 minutes
Simplify: 3x+4x
7x
What is a variable?
A) A number that never changes
B) A symbol that represents a number
C) A shape with four sides
D) A type of fraction
B) A symbol that represents a number
4,826 x 9
43,434
1+1
2
What has keys but can't open locks?
2,343,583+459,282=
2,802,865
139x58=
8,062
What is a fraction?
A) A number with a decimal
B) Part of a whole written as numerator over denominator
C) A whole number
D) A shape with sides
B) Part of a whole written as numerator over denominator
What is the difference 741,369 - 365,285?
376,084
Which shape has 3 sides?
triangle
What has hands but can't clap?
a clock
1/3 of 24=
8
75 x 19
1,425
What is the perimeter?
A) The distance around a shape
B) The amount inside a shape
C) The height of a shape
D) The number of sides of a shape
A) The distance around a shape
What is 210 divided by 5?
42
E,F,G__,I, J
H
What goes up but can never come down?
Your age
How many minutes are in 3 and a half hours?
210 minutes
What is 81 x 54?
4,374
What is the area of a shape?
A) The length of one side
B) The distance around the shape
C) The amount of space inside the shape
D) The number of angles
C) The amount of space inside the shape
Solve for xxx:
2x+5=15
x=5
What shape has 2 long sides and 2 short ones?
rectangle
You're on the 5th floor of a 6 story building and fall all the way down, which floor are you landing on?
A store sells pencils in packs of 3/4 dozen. If a teacher buys 26 packs, how many pencils does she get?
234
Factor this expression:
X2+7x+12
Answer: (x+3)(x+4)
This is a quadratic trinomial in the form:
x2+bx+c
b=7
c=12
Find two numbers that...
Multiply to give 12 (the constant term)
Add up to 7 (the coefficient of the middle term)
What is a coefficient?
A) A number multiplied by a variable
Evaluate:
152-62
189
Johnny has 3 apples and ate 2, how many does he have left?
1
How can you make seven an even number
Take away the 's'