Prime/Composite Numbers and Order of Operations

Prime numbers are numbers that have factors of 1 and itself.

• False

• True

The first few prime numbers are:

• 1,2,3,4,5,6

• 1,2,3,5,7

Composite numbers are numbers that have more than two factors.

• True

• False

The Order of Operations is

• G E M D L S

• P E M D L S

• P E M D A S

The P and E in PEMDAS stand for

• Plants and Egrets

• Parentheses and Exponents

M and D in PEMDAS stand for

• Math and Direction

• Multiply and Divide

A and S in PEMDAS stand for

• Add and Subtract

• Apple and Sauce

When using PEMDAS, which direction do you move?

• Right to left

• Left to Right

Which number is prime?

• 4

• 8

• 13

• 15

Which number is composite?

• 5

• 7

• 12

• 19