Lesson Worksheet: Decimal Sequences Mathematics • 5th Grade

In this worksheet, we will practice finding the rule and missing terms of decimal sequences by identifying the number that is added or subtracted.

Q1:

Complete the pattern: .

Q2:

What is the missing number?

Q3:

What are the missing numbers in this sequence: ?

• A
• B
• C
• D
• E

Q4:

Complete the pattern: .

Q5:

Consider a sequence of five terms. Its first term is 5.3, and it follows the rule of subtracting 0.7. Find that sequence.

• A5.3, 4.5, 3.8, 3.1, 2.4
• B5.3, 6, 6.7, 7.4, 8.1
• C5.3, 4.6, 3.9, 3.2, 2.4
• D5.3, 4.6, 3.9, 3.2, 2.5
• E5.3, 6.1, 6.8, 7.5, 8.2

Q6:

Consider a sequence of five terms. Its first term is 1.7, and it follows the rule of adding 0.3. Find that sequence.

• A
• B
• C
• D
• E

Q7:

Consider a sequence of five terms. Its first term is 20.85 and it follows a rule of subtracting 0.15. Find the sequence.

• A20.85, 20.9, 20.95, 21, 21.05
• B20.7, 20.55, 20.4, 20.25, 20.1
• C20.85, 21, 21.15, 21.3, 21.45
• D21, 21.15, 21.3, 21.45, 21.3
• E20.85, 20.7, 20.55, 20.4, 20.25

Q8:

What is the next number in the following sequence?

Q9:

Find the missing values on this number line.

• A2.7 and 3.2
• B2.2 and 3.2
• C2.3 and 2.8
• D1.7 and 3.7
• E2.2 and 2.7

Q10:

Find the missing values on this number line.

• A1.56 and 1.86
• B1.55 and 1.7
• C1.55 and 1.85
• D1.4 and 1.85
• E1.55 and 2