Middle School Number Sense

Exponents

100

2⁴

16

200

What is 9³ (exponent)

729

300

what is 2⁵

32

400

What is the value of:

8⁴

4,096

500

What is the value of:

2³ + 3² - 4²

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

Order of Operations

100

Simplify the following expression:

62

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

200

Simplify the following expression:

5

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

300

3 + 4² * (3 + 2)

83

400

45

500

30

Adding Integers

100

-4 + -5

9

 

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

200

14 + -12

2

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

300

-10 + 15

5

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

400

-2 + -3 + 5

0

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

500

6 + (-2 + -5)

-1

Random Riddles

100

What has to be broken before you can use it?

an egg

200

What has an eye but cannot see?

a needle

300

What goes up but never comes back down?

your age

400

No matter what, what can you always count on?

your fingers

500

What is full of holes but still holds water?

a sponge

Percent

100

What is 3/4 as a percent?

75%

200

What is 4/5 as a percent?

80%

300

95% is what as a fraction in simplest form?

19/20

400

60% is what as a decimal?

0.60

500

What is 1/3 as a percent?

33.3%