Ray's New Primary Arithmetic by Joseph Ray Ray's New Primary Arithmetic by Joseph Ray    

Lesson 100: Cummulative Review - Addition

Directions

Have children complete the problems below.

Have children practice until they perfectly master the task.

Steps

STEP 1

• Show the picture and read the associated problems below aloud.
• Direct children to mentally compute and recite the solutions.

STEP 2

• If children have difficulties, work with physical objects and then have children retry the mental computation.