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.

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?

4th grade- 5th grade

How many groups of 6 cats are needed to have 80 cats?

Bonus, what is a group of cats called?

3rd grade and up

Write 20 math problems that equal 20

7th - 11th grade

Ten 8th graders build a boat in 6 days. How long will it take five 8th graders working at the same rate to build a boat?


Hint: Proportions won't help.

5th - 9th grade

Write 20 multiplication facts that equal 10

3rd - 6th grade

Write 10 addition facts that equal 3