Formula deep page
Subtraction Fact
If a + b = c, then c - b = a
This formula belongs to the chapter "Subtraction" in Class 1 Mathematics (Maths Magic). Use it after identifying the right variables, matching the chapter context, and writing the substitution clearly.
How to use it
- Identify the quantity you need to find.
- Check the related variables and units from the question.
- Substitute values carefully into the formula.
- Simplify step by step and write the final statement.
Worked cue
Since 3+4=7, we know 7-4=3 and 7-3=4