# Lesson Worksheet: Calculations with Arithmetic Sequences Mathematics • 9th Grade

In this worksheet, we will practice calculating the common difference in an arithmetic sequence, finding subsequent terms in the sequence, and checking if the sequence increases or decreases.

Q1:

Which of the following is an arithmetic sequence?

• A
• B
• C
• D
• E

Q2:

Write the next 3 terms in the arithmetic sequence .

• A
• B
• C
• D
• E

Q3:

Is the sequence increasing or decreasing?

• Aincreasing
• Bdecreasing

Q4:

Write the next three terms of the arithmetic sequence .

• A
• B
• C
• D
• E

Q5:

Find given three consecutive terms of an arithmetic sequence are , , and .

• A4
• B
• C
• D

Q6:

Write the first six terms of the sequence of negative odd numbers starting from .

• A
• B
• C
• D

Q7:

Find the first five terms of the sequence whose general term is given by where .

• A
• B
• C
• D
• E

Q8:

Which of the following is an arithmetic sequence?

• A
• B
• C
• D
• E

Q9:

Find the common difference of the arithmetic sequence given the general term .

Q10:

Is the sequence increasing or decreasing?