This document discusses arithmetic sequences and their properties.

1. Arithmetic
Sequence
Problems & Tasks
Merry Joy L. Mandalupe
Math Teacher

2. Objectives
• Defines and illustrates an
arithmetic sequence.
• Supplies the missing terms of an
arithmetic sequence and finds
its common difference.
• Decide whether the given
sequence is an arithmetic
sequence or not

8. The second term of an
arithmetic sequence is
24 and the fifth term is
3. Find the first term
and the common
difference.

9. Find the sum of the first
10 terms of the
arithmetic sequence 3,
7, 11, 15, 19,...

10. Give the arithmetic
sequence of 5 terms if
the first term is 8 and
the
last term is 100.

12. How many terms are
there in an arithmetic
sequence with a
common difference of
4 and with first and last
terms 3 and 59,
respectively?

14. Insert 3 arithmetic
means between the 6
and 54.

15. What is the common
difference of the given
arithmetic sequence 2,
11, 20, 29, …

17. If three arithmetic
means are inserted
between 7 and -9, find
the second arithmetic
mean.

18. What is the sum of the
first 20 terms of the
series 17 +22 + 27 +…?

19. The sum of the first 10
terms of an arithmetic
sequence is 530. What
is the first term if the
last term is 80? What is
the common
difference?

20. The first four terms of
arithmetic sequence
are 8, 14, 20, and 26.
What is the 12th term?