Students will practice mentally adding and subtracting 10 to multiples of 10 up to 100 by playing an all time favorite: BINGO! Use alone or alongside the lesson Subtracting From Multiples of 100.

Use this lesson to introduce the tool of base-ten blocks to your students. This scaffolded EL support lesson can be used as a stand-alone activity, or prior to teaching Three-Digit Addition with Base-Ten Models.

Give your students a conceptual understanding of three-digit addition with this lesson focused on base-ten blocks and drawings.

Just a roll of the dice, and your students will be learning how to count money! In this lesson, they will be become familiar with the value of money.

Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.