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Inside this resource
MathGrade 1Digital
Subtraction to 20 Digital Deck
Subtraction to 20 for 1st grade: 30 question slides with a type-in answer box, plus an answer key slide.
Also in these series
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Same skill, other formats
Math114p
Subtraction to 20 Task CardsMath113p
Subtraction to 20 Flash CardsMath19p
Subtraction to 20 Bingo