### Common Core State Standard

### 4.OA.B.4

Find all factor pairs for a whole number in the range 1–100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1–100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1–100 is prime or composite.

*CCSS: 4.OA.B.4*

Race your motorcycle to the finish line. Race against some tough competitors and try and beat them all by determining factors of numbers.

*CCSS: 4.OA.B.4*

Help the puppies get the right factor bone that they need by changing the arrows to alter the paths.

*CCSS: 4.OA.B.4*

The Factor Dogs have joined the circus and have a disappearing act. Help them with their act by using your factoring skills to get them to the right platform. Three skill levels to choose from.

*CCSS: 4.OA.B.4*

The factors version of Math Balloons. Remove balloons to make groups of same colored balloons by determining if numbers are factors or not. Make matches over all of the colored squares to complete a level.

*CCSS: 4.OA.B.4*

The prime numbers version of Math Balloons. Remove balloons to make groups of same colored balloons by determining if a balloon's statement about prime numbers is true or false. Make matches over all of the colored squares to complete a level.

*CCSS: K.CC.B.4.a, 1.NBT.B.3, 3.OA.D.9, 4.OA.B.4*

Slide the math gate back and forth to allow the correct number balls to cross while preventing the wrong ones from crossing. Choose to practice one of four skills: counting, multiples, even/odd numbers or number comparison.

*CCSS: 4.OA.B.4*

See how long you can survive flying the helicopter. Fly only through prime numbers as the composite numbers are rock solid. Fun and easy to play but hard to survive for long.