5th - 8th grade

Christina scored an average of 76 on her first 4 tests. She wants to get an A- Average on her tests. What grade must she core on the 5th test to increase her average to 90 so that she can earn an A-?

3rd - 5th grade

Which number less than 20 can be cut in half the most times without using fractions?

2nd - 5th grade

Find a number that can be cut in half 8 times without using fractions.

4th - 7th grade

Find 3 fractions with different denominators that have a sum of 2.

5th - 9th grade

How many 3-digit numbers are palindromes - the same when read forward or backwards like 828?

3rd - 8th grade

Find the sum of all the numbers between 0 and 100 that are spelled with the letter "v".

8th - 11th grade

If you continue the pattern

1/8, 1/4, 1/2, 1/1, 1/0.5, 1/0.25, ...

forever, what is the value of the final term?

1st - 4th Grade

How can 2 candy bars be shared evenly with 3 people? (Draw a picture)

5th grade

How many 2 shot combinations are possible in bowling?


Assume 3 pins knocked down is the same no matter which 3 pins are knocked down.

7th grade

Bill went bowling last night. On his first shot he knocked down 8 out of the 10 pins. How many different ways can 8 out of 10 pins be knocked down?


Hint: How many different ways can 2 pins be left standing?