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Reverse Black and White · 2

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🔍 Reverse Black and White · 2

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Practice and check

Worked example

Change every black cell to white and every white cell to black. Draw the result in the empty grid.

■ ↔ □ → 3, 4 → 3, 4

  1. Read one problem and its conditions before starting. Work without a timer, and keep the key visible where the task requires it.
  2. Swap every black and white cell, including initially empty positions. Keep the grid size fixed.
  3. ■ ↔ □ · Step 1: 2×2 · Step 2: 3×3 · Step 3: 4×4
Check answers after trying

1: 3, 4 2: 2, 3 3: 2, 3, 4, 7, 8, 9 4: 1, 2, 5, 6, 7, 9 5: 1, 2, 3, 5, 6, 7, 8, 11, 12, 13, 14, 16 6: 2, 3, 4, 5, 7, 8, 9, 10, 12, 13, 14, 15

Change every black cell to white and every white cell to black. Draw the result in the empty grid.

Solution diagram
Solution diagram

Why this answer

  1. 1. ■ ↔ □ → 3, 4 → 3, 4
  2. 2. ■ ↔ □ → 2, 3 → 2, 3
  3. 3. ■ ↔ □ → 2, 3, 4, 7, 8, 9 → 2, 3, 4, 7, 8, 9
  4. 4. ■ ↔ □ → 1, 2, 5, 6, 7, 9 → 1, 2, 5, 6, 7, 9
  5. 5. ■ ↔ □ → 1, 2, 3, 5, 6, 7, 8, 11, 12, 13, 14, 16 → 1, 2, 3, 5, 6, 7, 8, 11, 12, 13, 14, 16
  6. 6. ■ ↔ □ → 2, 3, 4, 5, 7, 8, 9, 10, 12, 13, 14, 15 → 2, 3, 4, 5, 7, 8, 9, 10, 12, 13, 14, 15
  7. If an answer differs, return to the first step that differs and explain the choice. Change the answer after checking rather than guessing a new rule.
  8. Try the next step when the current method feels manageable. You may repeat a problem, use a paper marker, or stop and return later.
  9. Original practice activities, not a standardized test or IQ score. Steps describe the task, not an age or ability grade.

Next worksheet: Remember and Sort Numbers and Letters · 1

Shared practice guide

Tips for Parents

What is on the sheet Change every black cell to white and every white cell to black. Draw the result in the empty grid. ■ ↔ □ · Step 1: 2×2 · Step 2: 3×3 · Step 3: 4×4 Original practice activities, not a standardized test or IQ score. Steps describe the task, not an age or ability grade. Try one example Change every black cell to white and every white cell to black. Draw the result in the empty grid. ■ ↔ □ → 3, 4 → 3, 4. Read one problem and its conditions before starting. Work without a timer, and keep the key visible where the task requires it. Check a difficulty Swap every black and white cell, including initially empty positions. Keep the grid size fixed. If an answer differs, return to the first step that differs and explain the choice. Change the answer after checking rather than guessing a new rule. Choose the next step ■ ↔ □ · Step 1: 2×2 · Step 2: 3×3 · Step 3: 4×4 Try the next step when the current method feels manageable. You may repeat a problem, use a paper marker, or stop and return later.

What This Worksheet Builds

Change every black cell to white and every white cell to black. Draw the result in the empty grid. Swap every black and white cell, including initially empty positions. Keep the grid size fixed.

Next Step

■ ↔ □ · Step 1: 2×2 · Step 2: 3×3 · Step 3: 4×4 Try the next step when the current method feels manageable. You may repeat a problem, use a paper marker, or stop and return later.