Math Vocabulary
Topic 3 - Subtraction Number Sense
Subtraction Meanings: Lesson 3-1
fact family: A group of related facts using the same numbers:
5 + 8 = 13 8 + 5 = 13 13 - 8 = 5 13 - 5 = 8
Subtracting on a Hundred Chart: Lesson 3-2
difference: The answer when subtracting two numbers:
fact family: A group of related facts using the same numbers:
5 + 8 = 13 8 + 5 = 13 13 - 8 = 5 13 - 5 = 8
Subtracting on a Hundred Chart: Lesson 3-2
difference: The answer when subtracting two numbers: