Sum a finite geometric series
11th grade (Year 12 in England) · 16 questions · Common Core: HSA.SSE.B.4 · England: A-level Pure Mathematics
Name
Date
Score/ 16
Question 1
Find the sum of the first 4 terms of 48 + 24 + 12 + …
Answer
Question 2
Find the sum of the first 4 terms of 5 + 10 + 20 + …
Answer
Question 3
Sofia saves $2 in week 1 and doubles the amount saved each week. How much has Sofia saved in total after 8 weeks? Give the amount as a number.
Answer
Question 4
Find the sum of the first 4 terms of 32 + 16 + 8 + …
Answer
Question 5
Find the sum of the first 8 terms of 4 − 8 + 16 + …
Answer
Question 6
Ana saves $1 in week 1 and doubles the amount saved each week. How much has Ana saved in total after 6 weeks? Give the amount as a number.
Answer
Question 7
Find the sum of the first 6 terms of 192 + 96 + 48 + …
Answer
Question 8
Find the sum of the first 7 terms of 3 − 6 + 12 + …
Answer
Question 9
Ben saves $2 in week 1 and doubles the amount saved each week. How much has Ben saved in total after 6 weeks? Give the amount as a number.
Answer
Question 10
Find the sum of the first 5 terms of 32 + 16 + 8 + …
Answer
Question 11
Find the sum of the first 4 terms of 4 − 8 + 16 + …
Answer
Question 12
Zara saves $5 in week 1 and doubles the amount saved each week. How much has Zara saved in total after 8 weeks? Give the amount as a number.
Answer
Question 13
Find the sum of the first 5 terms of 32 + 16 + 8 + …
Answer
Question 14
Find the sum of the first 5 terms of 4 − 8 + 16 + …
Answer
Question 15
Ana saves $1 in week 1 and doubles the amount saved each week. How much has Ana saved in total after 6 weeks? Give the amount as a number.
Answer
Question 16
Find the sum of the first 6 terms of 192 + 96 + 48 + …
Answer
Write your answers right on the page. · Free from eurekami.com