Average and Midpoint
Percent
Equations and Expressions
Mix
Random, Facts
100
What is the average of 18, 36, 64 and 98
54
100
Compare:
10% of 360 ... 360% of 10
10% of 360 = 360% of 10
100
Simplify
3*(2x-13)-29
6x-68
100
What is the least 4-digit number with non-repeating digits?
1023
100
Triskaidekaphobia is the fear of this number.
13
200
What is the midpoint of -141 and 72?
106 1/2
200
After a sale the price for a pair of shoes is $63. How much is the sale, if the original price was $90.
27%
200
Solve the equation.
2x - 3*(6-x) = 7
x=5
200
Find the next number:
1, 11, 21, 1211, 3112, .....
The next numbers are 132112, 311322, 232122, .....
200
This animal lives in Northern parts of North America and is the largest member of the deer family.
Moose
300
The average of four brothers and their sister is 7. The average age of the four brothers is 6. How old is the sister?
11 years old
300
If the number is increased by 20%, By how much we should decrease the number so we get our original number?
25%
300
Simplify and then evaluate
3*(2x+9) - 2(x-6), if x = 3
Simplified Expression is
4x+39
The value is
51
300
300
This is the only U.S. state that grows coffee.
Hawaii
400
Find the midpoint of
8 5/7 and 16 3/4?
12 41/56 or 713/56
400
What is 30% of 30% of 30% of 100
2.7
400
Solve equation
4*(4x + 3) = 5*(2 - 3x) + 2 - 22x
x = 0
400
Five friends competed to solve a problem fastest. Alex finished before Jen but after Chris. Maryna finished after Jen. Nelya finished before Chris. Who finished first and who finished last.
1st: Nelya
Last: Maryna
400
This country is called the "Land of Lakes". It's name also suggests that there are many fish there, too!
Finland
500
There are 20 student in a class. The average score of the 18 students for a test is 90. We know that the last 2 students get the same score on the test. What are their scores, if after they took the test, the new average of the class is now 91.
Each scores 100.
500
I thought of a number. I increased it by 50%, then decreased by 30%. Afterwards, I added 5 to my number, and then decreased it by 20%. By how many percent it has changed?
My new number decreased by 12%
500
Simplify:
4x-3(x-9) - 4(6x+12) - 2(16-6x) + 5(3x+17)
4x+32
500
A group of children were crossing the river in boats. When they try to sit 6 people in boat there was no place left to 4 of them. When they tried to sit 8 people per boat, they had one empty boat. How many students and how many boats were there?
6 Boats
40 Students
500
This human body part stays the same size from birth, however, our nose and ears never stop growing.
Eyeballs