Sequences – Geometric – Shootout! Students compete (1v1 in pairs or in teams, at their tables or at the front) to answer questions the quickest. Students could write on your whiteboard or their own. Delete too difficult/easy question slides beforehand. Click anywhere to start the music, then click ‘Go’ to show the question, then click again to show the answer. This game has sound!

Shootout! Geometric Sequences

Correct Answer = 1pt Fastest! = 1pt

Ready? Go!

What is the next term in this geometric sequence? 1, 2, 4, 8, … 16

Ready? Go!

What is the next term in this geometric sequence? 10, 100, … 1000

Ready? Go!

What is the next term in this geometric sequence? 3, 12, … 48

Ready? Go!

What is the next term in this geometric sequence? 5, 25, … 125

Ready? Go!

What is the nth term for this sequence? 2, 4, 8, 16, … 2 × 2n−1

Ready? Go!

What is the nth term for this sequence? 1, 3, 9, 27, … 3n−1

Ready? Go!

What is the nth term for this sequence? 5, 10, 20, 40, … 5 × 2n−1

Ready? Go!

What is the nth term for this sequence? 4, 20, 100, 500, … 4 × 5n−1

Ready? Go!

What is the nth term for this sequence? −2, −6, −18, −54, … −2 × 3n−1

Ready? Go!

What is the nth term for this sequence? −5, 20, −100, 400, … −5 × (−4)n−1

Ready? Go!

What is the missing term in this geometric sequence? 3, … , 48, 12

Ready? Go!

What is the missing term in this geometric sequence? 5, … , 45, 15

Ready? Go!

What is the missing term in this geometric sequence? 8, … , 18, 12

Ready? Go!

What are the missing terms in this geometric sequence? 6, … , … , 162, 18, 54,

tom@goteachmaths.co.uk Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths.co.uk