7th Grade Math Review

Percent of...

100

50% of 100

50

200

What is 34% of 800?

272

300

93 is what percent of 775?

12%

400

What is 2% of 400?

8

500

48 is what percent of 50?

96%

Power Up

100

x⁵ (x⁴)

x⁹

200

a⁴(a⁶)

a¹⁰

300

(x²)⁶

x¹²

400

x^8/(x^2)

x⁶

500

(x^6*a^2)/(a*x^2)

x^4*a

Are You Smarter Than a 5th Grader?

100

What number is the Roman numeral XVI?

16

200

How many legs do arachnids have?

8

300

What resource covers most of the Earth?

Water

400

What species can live on both water and land?

Amphibians

500

What is the longest river in the world?

Amazon River

Positive or Negative?

100

Adding two negatives

negative 

200

Multiplying two negatives

positive

300

multiplying a positive and a negative

negative

400

dividing two negatives

positive

500

multiplying three negative numbers together 

negative

Combine Like Terms

100

x + 2x

3x

200

-9m + 14m

5m

300

-2b + -9b + 1

-11b + 1

400

7x - 5x - 1x - 19 + 12

x - 7

500

4b + 2c - 10c + b

5b - 8c