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Letter Series - Beginner-Intermediate Level: alternate series BEGINNER-INTERMEDIATE

This deep dive ★ worksheet contains 20 beginner-intermediate-level letter series problems. Worksheet 11 of 30 focuses on alternate series. Practice consonant patterns, alphabet gaps, reverse patterns 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 Letter Series
Worksheet 11 of 30 (36% complete)

Question 1

Find the next letter in the series: F, I, L, O, R, ?
Each letter skips 2 letter(s). Next: U.
skip, pattern

Question 2

Find the next letter in the series: Y, X, W, V, ?
Reverse alphabetical order. Next: U.
reverse, backward

Question 3

Find the next letter in the series: J, H, K, I, L, ?
Two interleaved sequences. Next: L.
interleaved, double

Question 4

Find the next letter in the series: A, A, B, C, C, E, ?
Odd positions: +1, Even positions: +2. Next: G.
odd-even, mixed-step

Question 5

Find the next letter in the series: S, W, V, Z, Y, C, B, ?
Alternating +4/-1. Next: F.
alternating, forward-backward

Question 6

Find the next letter in the series: K, L, M, N, ?
Consecutive alphabetical order. O comes after N.
consecutive, basic

Question 7

Find the next letter in the series: R, Q, P, O, ?
Reverse alphabetical order. Next: N.
reverse, backward

Question 8

Find the next letter in the series: J, J, K, L, L, ?
Odd positions: +1, Even positions: +2. Next: M.
odd-even, mixed-step

Question 9

Find the next letter in the series: A, E, I, M, ?
Every 4th letter. Next: Q.
position, nth-letter

Question 10

Find the next letter in the series: B, C, E, ?
Letters at prime positions. Next prime position: 7 → G.
primes, positions

Question 11

Find the next letter in the series: X, W, V, U, T, ?
Reverse alphabetical order. Next: S.
reverse, backward

Question 12

Find the next letter in the series: C, D, E, F, G, H, ?
Consecutive alphabetical order. I comes after H.
consecutive, basic

Question 13

Find the next letter in the series: M, N, P, Q, R, ?
Consonant sequence. Next consonant: S.
consonants, skip-vowels

Question 14

Find the next letter in the series: J, J, K, L, L, N, ?
Odd positions: +1, Even positions: +2. Next: P.
odd-even, mixed-step

Question 15

Find the next letter in the series: D, I, P, ?
Letters at square positions: 2², 3², ... Next: Y.
squares, positions

Question 16

Find the next letter in the mirror series: E, F, G, H, I, ?
Mirror image (A↔Z, B↔Y...). Mirror of next letter: Q.
mirror, symmetry

Question 17

Find the next letter in the series: A, C, E, G, ?
Each letter skips 1 letter(s). Next: I.
skip, pattern

Question 18

Find the next letter in the series: H, G, F, E, D, ?
Reverse alphabetical order. Next: C.
reverse, backward

Question 19

Find the next letter in the series: K, L, N, Q, U, ?
Increasing jumps (+1, +2, +3...). Next: Z.
increasing, jumps

Question 20

Find the next letter in the series: B, C, D, F, G, ?
Consonant sequence. Next consonant: H.
consonants, skip-vowels
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