Grade 8 Math

Powers & Roots

100

This is the answer to 3 squared.

What is 9

200

This is the square root of 25

What is 5

300

This is the square root of 144

What is 12

400

This is the closest integer to the square root of 50

What is 7

500

The square root of 73 is between these two whole numbers

What is 8 and 9

Exponents

100

This is the simplified form of 4 x 4 x 4 x 4

What is 4⁴

200

This is the expanded form of 5³

What is 5 x 5 x 5

300

This is the value of 2⁵

What is 32

400

This is the value of 4³ + 2³

What is 72?

500

A bacteria colony triples in size every hour. If it starts with 100 bacteria at noon, this is the amount there is by 5pm

What is 24,300?

BEDMAS

100

2+3 x 4 =?

14

200

(4-1) x (6/2) = ?

9

300

4² / 8 + 1

3

400

(9 - 8 + 2)³ + (3 x 2)²

63

500

(22 - 6 / 3 + 20) - 5

35

Miscellaneous

100

This is the only even prime number

What is 2

200

This is an odd composite number less than 10

What is 9

300

This is the value of 3.1 x 10⁴

What is 31,000

400

This is the scientific notation of 453,000,000

What is 4.53 x 10⁸

500

This is value of 6 x 10⁴ 4 x 10³ + 2 x 10² + 3 x 10 in standard form

What is 64,230?

LCM and GCF

100

This is the GCF of 3 and 9

What is 3

200

This is the LCM of 2 and 3

What is 6

300

This is the GCF of 18 and 24

What is 6.

400

This is the prime factorization of 120

What is 2 x 2 x 2 x 3 x 5

500

This is the LCM of 40 and 22

What is 220