Chapter 1

Counting

Build a confident number sense by learning to count from 1 through 100 with fun activities and visual aids.

2h 30m5 lessons

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Learning Objectives

  1. 1Recognize and write numbers from 1 to 100
  2. 2Count objects in a set confidently using the five principles of counting
  3. 3Understand the Peano Axioms — the formal foundation of counting
  4. 4Count forward and backward from any number within 100
  5. 5Apply the one-to-one, stable-order, cardinal, abstraction, and order-irrelevance principles

Lessons in This Chapter

1
Interactiveeasy

Introduction to Counting

20 min
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2
Interactiveeasy

Count One to Ten

20 min8 practice problems
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3
Interactiveeasy

Count One to Twenty

25 min6 practice problems
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4
Interactiveeasy

Count One to Fifty

25 min5 practice problems
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5
Interactive

Count One to Hundred

30 min
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