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.

10, 20, 30, and up! In this lesson, students learn strategies for multiplying one-digit numbers by multiples of ten (10 through 90) through practice problems and playing a fun, hands-on game.

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.

Use this hands-on lesson to encourage collaboration amongst students as they review base-ten numerals, number names, and expanded form. This lesson can be used as a pre-lesson to Base Ten Block Party or as a stand-alone activity.

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

Help students gain confidence in recognizing multiples of 10 as they critique a flawed response. Use as a stand-alone scaffolded EL support lesson or prior to teaching Big Spenders.

Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.