Students practice solving a variety of equations, then determine if the answer is a prime number.

From multi-digit subtraction to identifying prime numbers, assess each student’s mastery of a variety of fourth-grade math skills.

What is a prime number? A number is prime when it is only divisible by 1 and itself. Help your little mathematician recognize prime numbers.

What treasure will you find at the end of these rainbows? Factor pairs, of course!