Subtraction within 20
Flashcard
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is subtraction?
Back
Subtraction is a mathematical operation that represents the process of taking one quantity away from another. It is the inverse of addition.
Tags
CCSS.1.OA.B.3
2.
FLASHCARD QUESTION
Front
What is the result of subtracting a number from itself?
Back
The result of subtracting a number from itself is always zero.
Tags
CCSS.1.OA.B.3
3.
FLASHCARD QUESTION
Front
What is the term for the number being subtracted in a subtraction operation?
Back
The term for the number being subtracted is called the 'subtrahend'.
Tags
CCSS.5.NBT.B.7
4.
FLASHCARD QUESTION
Front
What is the term for the number from which another number is subtracted?
Back
The term for the number from which another number is subtracted is called the 'minuend'.
5.
FLASHCARD QUESTION
Front
What is the maximum result of a subtraction operation within 20?
Back
The maximum result of a subtraction operation within 20 is 19, which occurs when subtracting 1 from 20.
Tags
CCSS.2.OA.A.1
6.
FLASHCARD QUESTION
Front
What is the minimum result of a subtraction operation within 20?
Back
The minimum result of a subtraction operation within 20 is 0, which occurs when subtracting a number from itself.
Tags
CCSS.1.OA.A.1
7.
FLASHCARD QUESTION
Front
How do you check your subtraction answer?
Back
To check your subtraction answer, you can add the result to the subtrahend. If the sum equals the minuend, your subtraction is correct.
Tags
CCSS.1.OA.A.1
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