Prime and Composite Numbers: Hidden Number #2

Uncover the hidden number with this investigative worksheet on prime and composite numbers! The second worksheet in a series of three, learners will continue to practice identifying whether a number is prime or composite by applying their knowledge of factors and multiplication facts. 

As students distinguish between prime and composite numbers, they will reinforce multiplication fact fluency and develop a better understanding of factors and divisibility. Designed for fourth graders, this worksheet helps deepen students’ understanding of number relationships and builds a strong foundation in number theory. 

For more practice with prime and composite numbers, try Identifying Prime Numbers Maze and Factors of Prime and Composite Numbers #1.