Number Puzzle Mix: 60 Latin squares, sum grids and arithmetic trails Baixar grátis

Isbn 13: 9798175151580

Number Puzzle Mix: 60 Latin squares, sum grids and arithmetic trails baixar mp3

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Switch between three kinds of number challenges whenever you want a change of pace.

  • 20 four-by-four Latin squares: place each number once in every row and column.
  • 20 sum grids: fit the digits 1 to 9 to match the totals.
  • 20 arithmetic trail pages, each with four short calculation chains.
  • Instructions, examples and complete answers.

This 80-page, 8.5 x 11 inch paperback offers one challenge page at a time in a clear black-and-white layout. All you need is a pencil and a little uninterrupted time.

 :80
Isbn 13 :9798175151580
Encadernação Number Puzzle Mix: 60 Latin squares, sum grids and arithmetic trails:Capa Comum
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