Exponents and powers

Repeated multiplication, from 2^5 to squares and cubes of negative numbers and fractions.

Standards:6.EE.A.1

Try it: three questions

Real questions from the practice bank. Tap an answer to check it.

Question 1 of 3

What is the value of 2³ × 3²?

Question 2 of 3

A bacteria population doubles every hour. If you start with 3 bacteria, how many bacteria will you have after 5 hours?

Question 3 of 3

A bacteria population doubles every hour. If there are 5 bacteria at the start, how many will there be after 4 hours?

How this fits in

Exponents and powers is one skill in the Pre-Algebra unit. Students read the unit lesson, then earn a bronze, silver, or gold medal on their last 10 answers. Medals never go down. A mastered unit comes back for review after 1, 3, 7, 16, and 35 days so it stays learned.

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