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Petty School Arithmetic, Lesson 01: Counting, Reading & Writing 1-3

This course provides step-by-step instruction and exercises to lead young children to count, read and write numbers rightly. Students are expected to learn each lesson and to demonstrate mastery of the skills covered.


  • Watch lesson video as many times as the child needs to learn the lesson.
  • Complete Memory Work.
  • Complete Lesson Exercises.
  • When the content of the lesson is mastered, complete the lesson Assessment.


Directions: The following video lessons is intended to allow a young child to study independently. It is recommended that parents supervise their children in using these videos, until independence is achieved.

YouTube player

Memory Work

Directions: Read the following lesson and discuss each point with your child. Memorization is recommended, but not required.

  1. What is Arithmetic?
    Arithmetic is the study of Quantity.
  1. What is Quantity?
    A Quantity is anything that can be counted or measured.
  1. What will we learn in Petty School Arithmetic?
    In Petty School Arithmetic, we will learn to count to one thousand, and to read and write any number (in English and Latin).

Lesson Exercises

The exercises below are used to teach the writing of the numbers studied in this lesson. They should be completed in order as they progressively develop mastery.

Lesson Assessment

The assessment for this lesson is intended to allow parents to assess their children’s mastery of the current lesson. To access the lesson assessment, please login to your student account in the CLAA Study Center.

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