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Matrix Pattern Completion - Absolute-Beginner Level: core concept mastery Matrix Pattern Completion ABSOLUTE BEGINNER

This skill primer 🌟 worksheet focuses on Matrix Pattern Completion - a key topic in Matrix Coding. You'll solve 20 absolute-beginner-level problems (Worksheet 1 of 10). The primary focus is on core concept mastery. Master matrix pattern completion problems, matrix pattern completion reasoning questions, and matrix pattern completion practice through systematic practice.

📝 Worksheet 1 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Absolute Beginner level

What you'll learn in this worksheet:
Your progress through Matrix Pattern Completion
Worksheet 1 of 10 (0% complete)

Question 1

Find the missing element (?) in this matrix pattern: 1 2 3 4 5 6 7 8 ? What should replace the '?'?
Pattern: consecutive numbers in row-major order

Step 1: Matrix filled row by row with consecutive numbers
Step 2: Row1: 1,2,3 | Row2: 4,5,6 | Row3: 7,8,?
Step 3: The sequence is 1 through 9
Step 4: Missing number is 9
Pattern: Standard 3×3 number matrix in sequential order

Answer: 9

Question 2

Find the missing element (?) in this matrix pattern: 1 2 3 4 5 6 7 8 ? What should replace the '?'?
Pattern: consecutive numbers in row-major order

Step 1: Matrix filled row by row with consecutive numbers
Step 2: Row1: 1,2,3 | Row2: 4,5,6 | Row3: 7,8,?
Step 3: The sequence is 1 through 9
Step 4: Missing number is 9
Pattern: Standard 3×3 number matrix in sequential order

Answer: 9

Question 3

Find the missing element (?) in this matrix pattern: 1 3 5 2 4 6 3 5 ? What should replace the '?'?
Pattern: arithmetic progression - rows increase by 2, columns increase by 1

Step 1: Observe the pattern in first row: 1 → 3 → 5 (adds 2 each time)
Step 2: Second row: 2 → 4 → 6 (also adds 2 each time)
Step 3: Third row: 3 → 5 → ? (should also add 2)
Step 4: Therefore, ? should be 7 (5 + 2)
Step 5: Check column pattern: Col1: 1,2,3 (+1), Col2: 3,4,5 (+1), Col3: 5,6,7 (+1)
Pattern: Each row increases by 2, each column increases by 1 - consistent across matrix

Answer: 7

Question 4

Find the missing element (?) in this matrix pattern: 2 4 6 4 8 12 6 12 ? What should replace the '?'?
Pattern: multiplication table pattern

Step 1: First row: multiples of 2 (2×1, 2×2, 2×3)
Step 2: Second row: multiples of 4 (4×1, 4×2, 4×3)
Step 3: Third row: multiples of 6 (6×1, 6×2, 6×3)
Step 4: Missing cell is 6×3 = 18
Pattern: Matrix[i][j] = (row_value) × (j+1)

Answer: 18

Question 5

Find the missing element (?) in this matrix pattern: 1 3 5 2 4 6 3 5 ? What should replace the '?'?
Pattern: arithmetic progression - rows increase by 2, columns increase by 1

Step 1: Observe the pattern in first row: 1 → 3 → 5 (adds 2 each time)
Step 2: Second row: 2 → 4 → 6 (also adds 2 each time)
Step 3: Third row: 3 → 5 → ? (should also add 2)
Step 4: Therefore, ? should be 7 (5 + 2)
Step 5: Check column pattern: Col1: 1,2,3 (+1), Col2: 3,4,5 (+1), Col3: 5,6,7 (+1)
Pattern: Each row increases by 2, each column increases by 1 - consistent across matrix

Answer: 7

Question 6

Find the missing element (?) in this matrix pattern: 2 4 6 4 8 12 6 12 ? What should replace the '?'?
Pattern: multiplication table pattern

Step 1: First row: multiples of 2 (2×1, 2×2, 2×3)
Step 2: Second row: multiples of 4 (4×1, 4×2, 4×3)
Step 3: Third row: multiples of 6 (6×1, 6×2, 6×3)
Step 4: Missing cell is 6×3 = 18
Pattern: Matrix[i][j] = (row_value) × (j+1)

Answer: 18

Question 7

Find the missing element (?) in this matrix pattern: A B C B C D C D ? What should replace the '?'?
Pattern: each cell is the next letter in alphabet from left/top

Step 1: Observe the pattern in first row: A → B → C (increment by 1)
Step 2: Second row: B → C → D (also increment by 1)
Step 3: Third row follows same pattern: C → D → ?
Step 4: Therefore, ? should be E (D + 1)
Pattern: Each row and column increases alphabetically by 1 position

Answer: E

Question 8

Find the missing element (?) in this matrix pattern: 1 2 3 4 5 6 7 8 ? What should replace the '?'?
Pattern: consecutive numbers in row-major order

Step 1: Matrix filled row by row with consecutive numbers
Step 2: Row1: 1,2,3 | Row2: 4,5,6 | Row3: 7,8,?
Step 3: The sequence is 1 through 9
Step 4: Missing number is 9
Pattern: Standard 3×3 number matrix in sequential order

Answer: 9

Question 9

Find the missing element (?) in this matrix pattern: 2 4 6 4 8 12 6 12 ? What should replace the '?'?
Pattern: multiplication table pattern

Step 1: First row: multiples of 2 (2×1, 2×2, 2×3)
Step 2: Second row: multiples of 4 (4×1, 4×2, 4×3)
Step 3: Third row: multiples of 6 (6×1, 6×2, 6×3)
Step 4: Missing cell is 6×3 = 18
Pattern: Matrix[i][j] = (row_value) × (j+1)

Answer: 18

Question 10

Find the missing element (?) in this matrix pattern: A B C B C D C D ? What should replace the '?'?
Pattern: each cell is the next letter in alphabet from left/top

Step 1: Observe the pattern in first row: A → B → C (increment by 1)
Step 2: Second row: B → C → D (also increment by 1)
Step 3: Third row follows same pattern: C → D → ?
Step 4: Therefore, ? should be E (D + 1)
Pattern: Each row and column increases alphabetically by 1 position

Answer: E

Question 11

Find the missing element (?) in this matrix pattern: A B C B C D C D ? What should replace the '?'?
Pattern: each cell is the next letter in alphabet from left/top

Step 1: Observe the pattern in first row: A → B → C (increment by 1)
Step 2: Second row: B → C → D (also increment by 1)
Step 3: Third row follows same pattern: C → D → ?
Step 4: Therefore, ? should be E (D + 1)
Pattern: Each row and column increases alphabetically by 1 position

Answer: E

Question 12

Find the missing element (?) in this matrix pattern: ★ ♠ ♣ ♠ ♣ ♥ ♣ ♥ ? What should replace the '?'?
Pattern: cyclic pattern of symbols

Step 1: Identify symbol order: ★ → ♠ → ♣ → ♥ → ♦ (cyclic)
Step 2: First row: ★, ♠, ♣ (positions 1,2,3)
Step 3: Second row: ♠, ♣, ♥ (positions 2,3,4)
Step 4: Third row: ♣, ♥, ? (positions 3,4,5)
Step 5: Position 5 in cycle is ♦
Pattern: Each row shifts one position forward in the symbol cycle

Answer: ♦

Question 13

Find the missing element (?) in this matrix pattern: A B C B C D C D ? What should replace the '?'?
Pattern: each cell is the next letter in alphabet from left/top

Step 1: Observe the pattern in first row: A → B → C (increment by 1)
Step 2: Second row: B → C → D (also increment by 1)
Step 3: Third row follows same pattern: C → D → ?
Step 4: Therefore, ? should be E (D + 1)
Pattern: Each row and column increases alphabetically by 1 position

Answer: E

Question 14

Find the missing element (?) in this matrix pattern: 1 3 5 2 4 6 3 5 ? What should replace the '?'?
Pattern: arithmetic progression - rows increase by 2, columns increase by 1

Step 1: Observe the pattern in first row: 1 → 3 → 5 (adds 2 each time)
Step 2: Second row: 2 → 4 → 6 (also adds 2 each time)
Step 3: Third row: 3 → 5 → ? (should also add 2)
Step 4: Therefore, ? should be 7 (5 + 2)
Step 5: Check column pattern: Col1: 1,2,3 (+1), Col2: 3,4,5 (+1), Col3: 5,6,7 (+1)
Pattern: Each row increases by 2, each column increases by 1 - consistent across matrix

Answer: 7

Question 15

Find the missing element (?) in this matrix pattern: 1 2 3 4 5 6 7 8 ? What should replace the '?'?
Pattern: consecutive numbers in row-major order

Step 1: Matrix filled row by row with consecutive numbers
Step 2: Row1: 1,2,3 | Row2: 4,5,6 | Row3: 7,8,?
Step 3: The sequence is 1 through 9
Step 4: Missing number is 9
Pattern: Standard 3×3 number matrix in sequential order

Answer: 9

Question 16

Find the missing element (?) in this matrix pattern: A C E C E G E G ? What should replace the '?'?
Pattern: alternating letters pattern

Step 1: First row: A(1), C(3), E(5) - skip 1 letter
Step 2: Second row: C(3), E(5), G(7) - skip 1 letter
Step 3: Third row: E(5), G(7), ?
Step 4: Next letter after G(7) skipping one is I(9)
Pattern: Each cell increases by 2 alphabet positions

Answer: I

Question 17

Find the missing element (?) in this matrix pattern: ★ ♠ ♣ ♠ ♣ ♥ ♣ ♥ ? What should replace the '?'?
Pattern: cyclic pattern of symbols

Step 1: Identify symbol order: ★ → ♠ → ♣ → ♥ → ♦ (cyclic)
Step 2: First row: ★, ♠, ♣ (positions 1,2,3)
Step 3: Second row: ♠, ♣, ♥ (positions 2,3,4)
Step 4: Third row: ♣, ♥, ? (positions 3,4,5)
Step 5: Position 5 in cycle is ♦
Pattern: Each row shifts one position forward in the symbol cycle

Answer: ♦

Question 18

Find the missing element (?) in this matrix pattern: 2 4 6 4 8 12 6 12 ? What should replace the '?'?
Pattern: multiplication table pattern

Step 1: First row: multiples of 2 (2×1, 2×2, 2×3)
Step 2: Second row: multiples of 4 (4×1, 4×2, 4×3)
Step 3: Third row: multiples of 6 (6×1, 6×2, 6×3)
Step 4: Missing cell is 6×3 = 18
Pattern: Matrix[i][j] = (row_value) × (j+1)

Answer: 18

Question 19

Find the missing element (?) in this matrix pattern: A B C B C D C D ? What should replace the '?'?
Pattern: each cell is the next letter in alphabet from left/top

Step 1: Observe the pattern in first row: A → B → C (increment by 1)
Step 2: Second row: B → C → D (also increment by 1)
Step 3: Third row follows same pattern: C → D → ?
Step 4: Therefore, ? should be E (D + 1)
Pattern: Each row and column increases alphabetically by 1 position

Answer: E

Question 20

Find the missing element (?) in this matrix pattern: ★ ♠ ♣ ♠ ♣ ♥ ♣ ♥ ? What should replace the '?'?
Pattern: cyclic pattern of symbols

Step 1: Identify symbol order: ★ → ♠ → ♣ → ♥ → ♦ (cyclic)
Step 2: First row: ★, ♠, ♣ (positions 1,2,3)
Step 3: Second row: ♠, ♣, ♥ (positions 2,3,4)
Step 4: Third row: ♣, ♥, ? (positions 3,4,5)
Step 5: Position 5 in cycle is ♦
Pattern: Each row shifts one position forward in the symbol cycle

Answer: ♦
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