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Level 17 of 20 in Learning Lab's logic ladder, in the “Masters” stage. Many children reach it around age 10, but levels aren't tied to age.

This sheet has 1 question at this level plus 1 review question from the levels just before it. Mastered after two sheets in a row at 90% or more. It can be printed or done on screen in kid mode.

Learning Lab

Logic · Level 17

9×9 sudoku (easy)

L17-AF9D

Owen · Week of Nov 2

Name: Score: / 1 · Review / 1
  1. 1.

    Fill the grid so every row, column and box has 1 to 9 once.

    5476975461236259168738391748212549256791652

Review — from earlier levels

  1. 2.

    Each friend has a different snack. Who has which?

    • Fay didn't pick the carrot.
    • Dot didn't pick the apple.
    • Fay didn't pick the apple.
    Mark ✓ or ✗ for each friend and snack
    carrotpearapple
    Dot
    Fay
    Eli
learn.firminlabs.com · Do your best — mistakes help you learn.

Learning Lab · Answer key

Logic · Level 17

9×9 sudoku (easy)

L17-AF9D

Owen · Week of Nov 2

For grown-ups — keep this page separate from the sheet.

  1. 283547169754961238196832745941628573862375914537419826618253497325794681479186352
  2. Dot: carrot, Fay: pear, Eli: apple review