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A quick end-of-class check. Two tickets print on each page; cut along the dashed line. The answer key prints on its own page after it.

Exit Ticket: Exponent Rules

Grades 6–8 · CCSS 8.EE.A.1
Name
1. Simplify, then evaluate. Name each rule you used.
(23)2 × 2−4
=
2. Is 10−3 greater than 0? Less than 1? Write it as a decimal.
=
3. Explain why 65 ÷ 65 = 60, and what 60 equals.
60 =

Answer Key: Exit Ticket

Exponent Rules
  1. Power of a power: (2³)² = 2⁶. Product rule: 2⁶ × 2⁻⁴ = 2² → 4
  2. 10⁻³ = 1 / 10³ = 1/1000 = 0.001. Yes, it's greater than 0; yes, it's less than 1.
  3. Dividing with the same base subtracts exponents: 5 − 5 = 0. Any number divided by itself is 1, so 6⁰ = 1.

Quick read: an answer of 2 on #1 means the student added the exponents in (2³)² and got 2⁵ instead of 2⁶; a negative answer on #2 means they read the exponent as a negative number. Assign the matching skill in Exponent Racer.