Chapter 9.1

Adding one up to 5


What You'll Learn

Count groups of objects up to 5 accurately
Identify what 'one more' means when adding to a number
Compare two groups to determine which has one more object
Calculate the result of adding one to numbers up to 5

What You'll Practice

1

Counting animals and objects in visual groups

2

Selecting groups that have one more than another

3

Finding the number that is one more than a given amount

Why This Matters

Adding one is the foundation of all addition and counting skills you'll build in math. Mastering this concept helps you understand number patterns, solve simple word problems, and prepares you for adding larger numbers with confidence.

This Unit Includes

Practice exercises

Skills

Counting
Addition
Number Sense
Comparing Quantities
One-to-One Correspondence
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TX Curriculum Aligned

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