Grade 7 Math Olympics

Exponents

100

What is 2³?

8

200

12⁰

1

300

The answer is 9. What is the number and its exponent?

3²

400

2⁴ + 4²

32

500

The answer is 64. Come up with TWO ways to express this number with bases and exponents.

8² OR 4³ OR 2⁶

Square Roots/Perfect Squares

100

The square root of this number is 5.

25

200

In numerical order, which perfect square comes AFTER 81?

What is 100?

300

12² = ?

What is 144?

400

What is a close estimate for the square root of 48?

6.8 or 6.9

500

The square root of this number is 13.

169

BEDMAS

100

4² + 15 / 3

21

200

3³ - 2³  = 

19

300

2 + 20/5 - (-7)

13

400

10 - 2 x (8 - 2) + 3²

7

500

1/3 x 4 + 3²

10 1/3 

Algebra

100

Solve for x.

2x + 4 = 10

x = 3

200

Solve for x.

x + 5 + 2x = 23

x = 6

300

Solve for y.

6 = 2y + 4

y = 1

400

Solve for b.

5b - 2b - 4 = 5

b = 3

500

Solve for x.

5 + 30x = 12 + 16x

x = 1/2

Grab bag!

100

This is the most populated city in the world.

Tokyo, Japan

200

In the television show, The Office, what is the boss's name?

Michael Scott

300

Ms.Cardillo's favorite food.

Sushi

400

The adult body has _______ bones!

206

500

This is the most common girl's name in the world, across all countries.

Sophia (or Sofia)