Help your students use rulers in the classroom with this lesson! Encourage them to measure items around them using centimeters to understand shapes and sizes.

How well do your students know decimals? In this lesson, introduce your students to decimal multiplication using models.

Students will learn to model mixed number subtraction with manipulatives using this hands-on lesson plan.

Who wouldn't want to split a birthday cake with their best friend? In this lesson, students will practice dividing circles and rectangles into halves as they develop an understanding of equal shares.

Discuss correct decimal placement using logical arguments and by multiplying whole numbers. Use this lesson as a standalone lesson or use it as support to the lesson Multiply Decimals.

Students will learn to convert metric units by applying concepts in word problems. Exercises and worksheets incorporate length (meters), and optional practice offers more instructions on mass (grams) and volume (liters).

Which number doesn't belong? This lesson requires students to think critically as they determine which number is not a factor of a particular number. Teach it on its own or as support for the lesson Factors Over the Rainbow.