Prime & Composite Numbers 2-100 Prime & Composite Numbers 2-100 © Math As A Second Language All Rights Reserved 4.OA#4.

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Presentation transcript:

Prime & Composite Numbers Prime & Composite Numbers © Math As A Second Language All Rights Reserved 4.OA#4

© Math As A Second Language All Rights Reserved next Directions for the Teacher Review prime and composite numbers with your students. Have the students follow the directions as they cross out whole numbers using their crayons.

© Math As A Second Language All Rights Reserved next Directions for the Teacher A composite number is a whole number that has more than 2 factors. A prime number is a whole number greater than one that has only 2 factors, one and itself.

Directions Draw an x with your black crayon on 1. next One is neither a prime number nor a composite number. It is the unit. 1 next © Math As A Second Language All Rights Reserved

Prime and Composite next © Math As A Second Language All Rights Reserved

Directions Draw a circle with your red crayon around the 2. next As you count by two’s draw a diagonal line from the right top corner to the bottom left corner with your red crayon. Do not draw a line through 2. 4 next © Math As A Second Language All Rights Reserved

Prime and Composite next © Math As A Second Language All Rights Reserved

Directions Draw a circle with your blue crayon around the 3. next As you count by three’s draw a diagonal line from the top left corner to the bottom right corner with your blue crayon. Do not draw a line through 3. 6 next © Math As A Second Language All Rights Reserved

Prime and Composite next © Math As A Second Language All Rights Reserved

Directions Draw a circle with your green crayon around the 5. next As you count by five’s draw a vertical line from top to bottom in the middle of the box with your green crayon. Do not draw a line through next © Math As A Second Language All Rights Reserved

Prime and Composite next © Math As A Second Language All Rights Reserved

Directions Draw a circle with your orange crayon around the 7. next As you count by seven’s draw a horizontal line from left to right in the middle of the box with your orange crayon. Do not draw a line through next © Math As A Second Language All Rights Reserved

Prime and Composite next © Math As A Second Language All Rights Reserved

Directions Draw a circle with your black crayon around all the numbers that are left. next All the numbers that are circled are prime numbers. 11 next © Math As A Second Language All Rights Reserved

Prime and Composite next © Math As A Second Language All Rights Reserved

Prime Numbers next © Math As A Second Language All Rights Reserved

Composite Numbers next © Math As A Second Language All Rights Reserved

Prime and Composite © Math As A Second Language All Rights Reserved