With these hands-on puzzle cards, you can easily teach number recognition (0-20) the fun way! Students work together to match numerals, ten frames/twenty frames, and written words. Just print (there are seven pages), cut, and laminate if desired.0-20 Number Card Puzzle Specifications and Learning Opportunities:āŗ Recognition of numerals, ten/twenty frames, and written numbers ā£ Students must match each number to the appropriate cardāŗ Excellent for file folder games ā£ Matching games with the help