Level 4 - Cross-Number


Level 4

Regular price
Sale price
Regular price
Sold out
Unit price

  • Level 4
  • About Cross-Number
  • 8 levels, 40 puzzles, over 50 games, 256 pages
  • Deepening the understanding of the base-10 numeration system
  • Developing fluency with three-digit addition and subtraction
  • Practising quick recall of basic multiplication and division facts
  • Introducing the concepts of fraction and area

Approximate grade level: Grade 4

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