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

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.

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.

Who doesn’t like to spend money and plan parties? Students will subtract two-digit numbers as they calculate the remaining money for their party supplies. They will subtract in multiples of ten and focus on place value.

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.

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