Level 3 - Cross-Number


Level 3

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  • Level 3
  • About Cross-Number
  • 8 levels, 40 puzzles, over 50 games, 242 pages
  • Reinforcing place value and regrouping up to 1000
  • Practising quick recall of basic subtraction facts
  • Introducing three-digit addition and subtraction
  • Developing an understanding of multiplication and division
  • Working with perimeter, time, and money

Approximate grade level: Grade 3

Cross-Number Discovery Puzzles & Games is an invaluable tool to help a child develop numeracy concepts. Each Cross-Number program is organized into groups of five puzzles with a corresponding set of games. Each subsequent group of five puzzles moves to more advanced concepts while still reinforcing previous concepts. These games provide practice on the number concepts introduced in the group of five puzzles.


  • Over 40 fun self-correcting puzzles at each level
  • A multitude of games ideal for partners, groups, learning centres, and whole-class activities
  • Easy-to-differentiate instruction with a puzzle at the appropriate level for each child
  • Tool for parental involvement; puzzles introduce parents to models and strategies that support numeracy development
  • Excellent diagnostic and assessment tool to identify gaps in a student’s comprehension