Grade 8 Factorization & Number Sense

Factorization

100

2, 3, 5, 7, 11, 17

What is a prime number?

200

A number that has multiple factors.

What is a composite number?

300

Prime factorization of 64.

What is 2x2x2x2x2x2?

400

Prime factorization of 112.

What is 2x2x2x2x7?

500

Prime factorization of 2200.

What is 2³x5²x11?

GCF & LCM

100

GCF stands for?

What is Greatest Common Factor.

200

LCM stands for.

What is Lowest Common Multiple.

300

GCF of 32 and 56.

What is 8?

400

LCM of 12 and 18.

What is 36?

500

GCF and LCM of 12, 16 and 24.

What is 4 and 48?

Powers

100

The number you repeatedly multiply.

What is a base?

200

Another word for power.

What is an exponent?

300

10⁵

What is 100,000?

400

2⁵

What is 32?

500

2³ + 5² =

What is 33?

Scientific Notation

100

Purpose of scientific notation.

To make really big numbers easier to read.

200

1.3 x 10⁴ in standard form.

What is 13,000?

300

821 in scientific notation.

What is 8.21 x 10²?

400

23,593 in scientific notation.

What is 2.3593 x 10^4?

500

4.5 x 10⁴

What is 45,000?

Expanded Form

100

1234 in expanded form.

What is 1000 + 200 + 30 + 4?

200

50,000 + 6000 + 700 + 50 + 3 

What is 56,753 in expanded form?

300

12, 345 in expanded form with powers.

What is 1x10⁴ + 2x10³ + 3x10² + 4x10 + 5?

400

56,789 in expanded form with powers.

What is 5x10⁴ + 6x10³ + 7x10² + 8x10 + 9?

500

2x10⁵ + 3x10⁴ + 5x10³ + 9x10 + 7 

What is 235,097 in expanded form with powers?