Chapter 4.6
Subtracting with objects up to 20
What You'll Learn
Recognize subtraction as taking away objects from a group
Count objects visually to determine starting quantities up to 20
Calculate how many objects remain after some are removed
Translate picture stories into subtraction number sentences
What You'll Practice
1
Subtracting by counting objects in pictures up to 20
2
Writing subtraction facts based on visual picture stories
3
Determining differences by observing removed objects
Why This Matters
Subtracting with objects builds your number sense and prepares you for mental math. This visual approach helps you understand what subtraction really means, making it easier to solve problems without pictures later and succeed in everyday situations like sharing items or calculating change.
This Unit Includes
Practice exercises
Skills
Subtraction
Counting
Number Sense
Picture Stories
Number Facts
Visual Math
