Build 1- and 2-digit vertical addition and subtraction skills with these 20 self-checking, five-piece puzzles. Each puzzle is unique—great for self-checking—and features the answer at the center piece and four puzzle pieces, each showing an addition or subtraction problem!
The addition puzzles focus on adding to 6-15. The subtraction puzzles focus on subtracting to 1-10.
• 10 two-sided, self-checking puzzles (20 puzzles in all)
• Activity guide
|Vendor Part Number||SC530231|
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