# Explore Subtraction Cards, Teaching Subtraction, and more!

### Common Core Classrooms New Blog!

"Common Core Classroom was established as a collaborative blog to bring you Common Core resources from some of the best teachers/bloggers. Our goal is to provide educators with classroom tested resources and ideas by grade leve & subject that apply directly to the new standards. We hope that you find these resources useful & apply them in your classrooms."

#### Adding and Subtracting Song- (Add means put together... Subtract means take away!)

Adding and Subtracting Song- (Add means put together... Subtract means take away!)

#### Free SmartBoard activities, Number Sense is a game that has the student write or draw a number in 5 different ways.

Free SmartBoard activities, Number Sense is a game that has the student write or draw a number in 5 different ways.

#### Kindergarten Yahtzee - This game is so funny to see how excited the kids get. All they have to do is roll 2 dice and cross out the sum. They keep going until they have crossed out all of the numbers. They learn the hard way how hard it is to roll a 2 or a 12!

Kindergarten Yahtzee - This game is so funny to see how excited the kids get. All they have to do is roll 2 dice and cross out the sum. They keep going until they have crossed out all of the numbers. They learn the hard way how hard it is to roll a 2 or a 12!

#### Symmetrical self-portraits - great idea for teaching symmetry and measurement. Excellent step-by-step instructions.

### Math Meets Art: Symmetry Self-Portraits

Symmetrical self-portraits - great idea for teaching symmetry and measurement. Excellent step-by-step instructions.