Scallop Shell Addition and Subtraction

by KK37

Price: 250 points or $2.5 USD

Subjects: math,mathElementary,operationsAndAlgebraicThinking,additionAndSubtraction

Grades: 13,1,2

Description: Dive into seaside math fun with Scallop Shell Addition and Subtraction, an ocean-themed digital activity designed to boost fluency with numbers 0 to 20. Students explore 42 interactive cards—21 addition and 21 subtraction—each featuring a numbered pearl at the center of a scallop shell. For addition cards, they click the equation that matches the pearl’s value; for subtraction cards, they select the shell displaying the correct equation that matches the pearl's value. Every card includes a number path to help learners visualize their counting strategy. Perfect for math centers, skill review, or independent practice, this resource makes mastering basic facts feel like a day at the beach!