Colouring Nest15×15 Nonogram #2
- Ages 9+
- Medium
- 2 pages
- Nonogram
- Answer key
- PDF: Letter & A4
Tip: pick a dark color, then tap squares to shade them (or use the arrow keys and Enter). When the picture appears, color it in. "Show solution" shades the answer lightly so you can check. Your squares are saved on this device.
Up next15×15 Nonogram #3 →A bigger picture logic puzzle on a 15×15 grid. The numbers beside each row and above each column say how many squares in a row to shade, in order, with at least one gap between groups. Shade and dot your way across the grid and a pet picture appears. It can be finished by logic alone, with no guessing, and has only one answer.
Text version of the clues
Row 1: 0
Row 2: 0
Row 3: 0
Row 4: 1 1
Row 5: 1 3 1
Row 6: 5
Row 7: 9
Row 8: 2 3 2
Row 9: 3 5 3
Row 10: 4 3 4
Row 11: 3 3
Row 12: 2 2 2 2
Row 13: 9
Row 14: 7
Row 15: 0
Column 1: 0
Column 2: 2
Column 3: 3 1
Column 4: 2 4 2
Column 5: 1 2 2
Column 6: 2 1 4
Column 7: 10
Column 8: 6 2
Column 9: 10
Column 10: 2 1 4
Column 11: 1 2 2
Column 12: 2 4 2
Column 13: 3 1
Column 14: 2
Column 15: 0
More puzzles: Sudoku · Color by number · Mazes
For teachers and parents
- What it practises
- Logical reasoning, counting and number sense, persistence
- How to use it
- Start with the biggest numbers: a 10 in a 10-square row fills the whole row. Shade squares you are sure of and dot squares that must stay empty, switching between rows and columns. The picture appears as you go.
- Time
- About 25–45 minutes
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Printing tips
- Use a pencil, and a dot (not a cross) for squares that stay empty.
- Start with the biggest numbers first.
- Print page 2 separately as the answer key.