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Grade 1
Number
8. Demonstrate an understanding of addition of numbers with answers to 20 and their corresponding subtraction facts, concretely, pictorially and symbolically
8.9 Subtracting with the number zero
Subtracting with the number zero
What You'll Learn
Recognize that subtracting zero from any number leaves the number unchanged
Apply the zero property of subtraction to numbers up to 20
Identify subtraction expressions involving zero as a special case
Build confidence with basic subtraction facts using zero
What You'll Practice
1
Subtracting zero from whole numbers up to 20
2
Solving subtraction equations in the form n - 0 = n
3
Recognizing patterns when zero is the subtrahend
Why This Matters
Understanding subtraction with zero is essential for building a strong foundation in arithmetic. This simple but important property appears throughout all levels of math and helps you work efficiently with numbers in everyday situations like counting money or measuring quantities.
This Unit Includes
1 Video lesson
Practice exercises
Skills
Subtraction
Zero Property
Number Sense
Basic Operations
Mental Math
PEI Curriculum Aligned