Chapter 12.3

Taking away one up to 5


What You'll Learn

Count groups of objects up to 5 accurately
Understand the concept of 'one fewer' as subtracting one
Compare quantities to identify which group has one less
Recognize that one fewer means the number that comes before

What You'll Practice

1

Counting animals and objects in small groups

2

Choosing groups with one fewer item from visual options

3

Finding the number that is one less than a given amount

Why This Matters

Learning 'one fewer' builds your foundation for subtraction and number sense. This skill helps you compare quantities in everyday situations, like sharing snacks or organizing toys, and prepares you for solving math problems.

This Unit Includes

Practice exercises

Skills

Counting
Subtraction
Number Sense
Comparing Quantities
One-to-One Correspondence
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