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.

Roll some dice to introduce the early concepts of associative and commutative properties in addition by composing and decomposing 10. Worksheets and a quiz are included!

In this lesson, students will have fun creating addition sentences by drawing and counting ladybug dots.

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