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4Common Core · 4.OA.B.4

4.OA.B.4 Worksheets – Find factor pairs and multiples for numbers 1 to…

Free printable and interactive worksheets for Common Core standard 4.OA.B.4. Find factor pairs and multiples for numbers 1 to 100 and decide whether a number is prime or composite. 16 worksheets so far. Every worksheet has an answer key and can be completed online with instant feedback.