Build a solid foundation in number sense with this lesson all about the friendly number 10! Students will count with both fingers and base-ten blocks. This lesson can be used alone or with the lesson plan Place Value Concentration.

Dive deep into word problems with this lesson that teaches students to sketch base-ten blocks to add multiples of 10 and two-digit numbers. Use alone or with the lesson plan Let's Build It! Two-Digit Addition.

Learning to quickly identify groups of 10 will be very helpful when your students begin working with multiple digit numbers. In this lesson, your students will work with manipulatives to make number pairs.

Roll some dice to introduce the early concepts of associative and commutative properties in addition by composing and decomposing 10. Worksheets and a quiz are included!