Are You Smarter than an Nth Grader? Are You Smarter than an Nth Grader?

Below are 14 math problems, starting at preschool and ending at 12th Grade.

How many can you solve?

Preschool

★★★
How many stars are there?

Kindergarten

Bob ate 2 apples. Sally ate 3 apples.
How many apples did they eat?

1st Grade

At the end of his disc golf round, Ben had 5 discs.
He lost 2 discs during the round.
How many discs did he start with?

2nd Grade

You have 1 quarter, 1 dime, 1 nickel, and 2 pennies.
How many cents do you have?

3nd Grade

Fiona drove 350 miles in 5 hours.
How many hours did it take her to drive 140 miles?

4th Grade

\frac{1}{2}+\frac{1}{3}+\frac{1}{4}=\frac{?}{12}

5th Grade

9 \div \frac{1}{3}

6th Grade

What is the greatest common factor of 34 and 51?

7th Grade

What is the probability of flipping a coin six times and getting heads every time?

\text{Probability } = \frac{1}{?}

8th Grade

How many solutions are there for the following equation?

x^3 - x = 0

Algebra

If Ron took two years from his age and gave them to Sue, she'd be twice his age.
If he gave her one more year on top of that, she'd be three times his age.
How old is Ron?

Pre-Calculus

\sin(\pi) = x \cdot \pi
What is
x
?

Calculus

\int_{-4}^2 dx

Statistics

How many unique ways can you arrange the letters in the word "STATS"?