Class Openers, Warm-Ups, and Quick Games

These short activities provide students with opportunities for rich mathematical thinking and discussion and exploration. They are designed to be used inside or outside a math block and can be used repeatedly over the course of a school year.

Grades: Kindergarten - 5th Grade

• Number Sense

• What Sum Do You See?
• Making 1–10 With Dice
• Using Number Bars to Balance the Scale
• Which One Doesn't Belong?
• What Two Cards?
• Order the Numbers
• Composing and Decomposing Numbers

• Geometry

• Estimate the Area
• Draw What You Hear!
• Exploring Area of Rectangles
• Exploring Perimeter of Rectangles

• Probability

• Rolling Dice: Predict How Many!