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Logical Sequence - Beginner-Intermediate Level: cause-effect sequence BEGINNER-INTERMEDIATE

This deep dive ★ worksheet contains 20 beginner-intermediate-level logical sequence problems. Worksheet 11 of 30 focuses on cause-effect sequence. Practice logical flow, operation order, conditional sequences with our step-by-step solutions. Difficulty: building on fundamentals with moderate challenges. Recommended for developing learners.

📝 Worksheet 11 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner-intermediate level

What you'll learn in this worksheet:
Your progress through Logical Sequence
Worksheet 11 of 30 (36% complete)

Question 1

What is the next term in the sequence: 2, 6, 18, 54, ?
Geometric sequence with ratio 3: 2, 6, 18, 54, 162
geometric, ratio

Question 2

What is the next term in the sequence: 3, 4, 7, 11, 18, 29, ?
Each term is sum of previous two: 3, 4, 7, 11, 18, 29, 47
fibonacci, addition

Question 3

Find the missing term: 4, ?, 8, 10, 12
Arithmetic sequence with common difference 2:
Full sequence: 4, 6, 8, 10, 12
Missing term: 6
missing-term, completion

Question 4

What is the next term in this alternating sequence: 2, 2, 6, 6, 10, 18, 14, 54, ?
Two interleaved sequences:
- Sequence A: 2, 6, 10, 14, 18 (add 4 each time)
- Sequence B: 2, 6, 18, 54, 162 (multiply by 3 each time)
Next term is from Sequence B: 162
alternating, mixed

Question 5

Complete this number pyramid (each number is product of the two below it): 64 8 8 2 4 2 1 2 2 1 What is the top number?
Working from bottom up:
Level 2: 2, 4, 2
Level 3: 8, 8
Top: 64
pyramid, tree, hierarchical

Question 6

What is the next term in the sequence: 5, 8, 16, 17, 34, ?
Pattern: +3 → *2 → +1 → *2 repeating. Next: 68
mixed, pattern

Question 7

What is the next term in this alternating sign sequence: 9, -16, 25, -36, 49, ?
Square numbers with alternating signs
Sequence: 9, -16, 25, -36, 49
Next term: -64
alternating, signs, negative

Question 8

What is the next term in this fraction sequence: 2/3, 6/9, 18/27, 54/81, ?
Multiply numerator and denominator by 3 each time
Sequence: 2/3, 6/9, 18/27, 54/81
Next: 162/243
fractions, rational

Question 9

What is the next term in the sequence: 8, 13, 18, 23, 28, ?
Arithmetic sequence with common difference 5: 8, 13, 18, 23, 28, 33
arithmetic, linear

Question 10

Complete this number pyramid (each number is product of the two below it): 384 24 16 6 4 4 3 2 2 2 What is the top number?
Working from bottom up:
Level 2: 6, 4, 4
Level 3: 24, 16
Top: 384
pyramid, tree, hierarchical

Question 11

What is the next term in this alternating sign sequence: 2, -6, 18, -54, 162, ?
Geometric sequence (multiply by 3) with alternating signs
Sequence: 2, -6, 18, -54, 162
Next term: -486
alternating, signs, negative

Question 12

Find the missing term: 1, 4, ?, 9, 14
Fibonacci-style sequence (each term is sum of previous two):
Full sequence: 1, 4, 5, 9, 14
Missing term: 5
missing-term, completion

Question 13

What is the next term in the sequence: 8, 12, 16, 20, 24, ?
Arithmetic sequence with common difference 4: 8, 12, 16, 20, 24, 28
arithmetic, linear

Question 14

What is the next term in the sequence: 4, 9, 14, 19, 24, ?
Arithmetic sequence with common difference 5: 4, 9, 14, 19, 24, 29
arithmetic, linear

Question 15

What is the next letter in the sequence: A, E, I, O, ?
Vowels in order
alphabet, letters, pattern

Question 16

What is the next term in this alternating sign sequence: 4, -8, 12, -16, 20, ?
Arithmetic sequence (add 4) with alternating signs
Sequence: 4, -8, 12, -16, 20
Next base term: 24 → -24
alternating, signs, negative

Question 17

What is the next term in the sequence: 2, 6, 18, 54, ?
Geometric sequence with ratio 3: 2, 6, 18, 54, 162
geometric, ratio

Question 18

What is the next term in the sequence: 2, 2, 4, 6, 10, 16, ?
Each term is sum of previous two: 2, 2, 4, 6, 10, 16, 26
fibonacci, addition

Question 19

What is the next term in this alternating sign sequence: 3, -5, 7, -9, 11, ?
Arithmetic sequence (add 2) with alternating signs
Sequence: 3, -5, 7, -9, 11
Next base term: 13 → -13
alternating, signs, negative

Question 20

What is the next term in this fraction sequence: 1/2, 1/4, 1/6, 1/8, ?
Reciprocals of arithmetic sequence (add 2)
Sequence: 1/2, 1/4, 1/6, 1/8
Next: 1/10
fractions, rational
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