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.

What first grader wouldn't want ten dollars? This lesson uses one and ten dollar bills to teach students place value concepts as they develop fluency adding multiples of 10. Use alone or with the lesson plan Ten Time.

10 is an important number in math! In this lesson, your students will build an understanding of what 10 really means and the many ways to make 10.

Students will gain fluency with adding multiples of ten in this hands-on lesson that builds number sense.

Here comes the Ten Monster! Get ready to learn about subtracting tens in this hands-on lesson.

Students sketch base-ten blocks in this lesson that builds both number sense and fluency adding to 20!