A real Learning Lab sheet for a pretend child, Maya. Sign in free to get sheets like this every week at your child's own level.

Level 19 of 20 in Learning Lab's logic ladder, in the “Masters” stage. Many children reach it around age 11, but levels aren't tied to age.

This sheet has 2 questions at this level. 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 19

KenKen-style number puzzles

L19-TQGU

Maya · Week of Nov 2

Name: Score: / 2
  1. 1.

    Put 1 to 4 in each row and column, once each. The numbers in each box make its target.

    1−5+2×12×2−1212×
  2. 2.

    Put 1 to 4 in each row and column, once each. The numbers in each box make its target.

    4×212×6×6×6+34×
learn.firminlabs.com · Do your best — mistakes help you learn.

Learning Lab · Answer key

Logic · Level 19

KenKen-style number puzzles

L19-TQGU

Maya · Week of Nov 2

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

  1. 1−45+32×213212×12−4114322212×143
  2. 4×42212×16×314326×316+242334×41