by Marcia Murphy © 2026
Premier Publisher
Price: $3 USD
Subjects: math,mathElementary,operationsAndAlgebraicThinking,factorsAndMultiples
Grades: 4,5,6
Card number 1 gives the definitions for prime and composite numbers plus a few examples. On cards 2-31 students are given 1 and 2 digit numbers up to 31. They must decide if each number is prime or composite. Students click on the correct answer.
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