Arithmetic Sequences Quiz

What is an arithmetic sequence?

• A sequence of numbers that only decreases.

• A sequence of numbers that only increases.

• A sequence of numbers with a constant rate of change.

• A sequence of numbers with a variable rate of change.

What is the next number in the sequence 3, 6, 9, 12?

• 18

• 24

• 15

• 21

How do you find the common difference in an arithmetic sequence?

• By dividing the last number by the first number.

• By adding the first and last numbers.

• By subtracting any number from the one before it.

• By multiplying the first two numbers.

If a sequence is decreasing by 4, what is the common difference?

• 4

• 0

• -8

• -4

If a sequence is 19, __, 29, what is the missing number?

• 21

• 22

• 24

• 23

What is the missing number in the sequence 22, __, 18?

• 20

• 26

• 21

• 19

What is the common difference in the sequence 4.31, 5.10, 5.89?

• 0.89

• 0.99

• 1.09

• 0.79

How do you handle arithmetic sequences with decimals?

• Round off the decimals.

• Convert decimals to fractions.

• Use a calculator or paper for calculations.

• Ignore the decimals.

What is the common difference in the sequence 1/4, __, 3/8?

• 1/4

• 1/2

• 1/8

• 3/8

How do you find the common difference in sequences with fractions?

• By multiplying the fractions.

• By converting fractions to decimals.

• By adding the fractions directly.

• By finding a common denominator and subtracting.