Unit 4: Lessons 1-3 Practice

9 - 3 + 4

• 10
• 2
• 16

(3 ∙ 18) ÷ (2 ∙ 9)

• 3
• 54
• 243

24 ÷ 6 + 4²

• 12
• 2
• 20

(15 ÷ 3)² + 9 ÷ 3

• 11.3
• 28
• 13

27 ÷ 3 x 2 + 4²

• 34
• 20.5
• 26

Which number is the BASE?
2³ = 8

• 2
• 3
• 8

Which number is the EXPONENT?
4^{2 =} 16

• 4
• 2
• 16

How do you write 2 x 2 x 2 x 2 with an exponent?

• 4²
• 2⁴
• 2²

Any number written to the 0 power is always 1
Example: 8⁰=1

• True
• False

Which operation is performed SECOND?
(13 - 1) + 4

• addition +
• subtraction -
• multiplication X