Teach your students to add and subtract time using number lines. Your class will be gladly moving backwards and forward to the minute solving for related word problems.

Double dominoes! Get your students excited to add with dominoes and playing cards. This lesson is a fun way to help your students continue to learn to add.

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

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