Estimation, Addition, and Subtraction
Flashcard
•
Mathematics
•
3rd Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is estimation in math?
Back
Estimation is a way to find an approximate value or answer, rather than an exact one. It helps to quickly assess the size or amount of something.
2.
FLASHCARD QUESTION
Front
What is addition?
Back
Addition is the process of finding the total or sum by combining two or more numbers.
3.
FLASHCARD QUESTION
Front
What is subtraction?
Back
Subtraction is the process of taking one number away from another to find the difference.
4.
FLASHCARD QUESTION
Front
How do you estimate the sum of two numbers?
Back
Round each number to the nearest ten or hundred, then add the rounded numbers together.
5.
FLASHCARD QUESTION
Front
What is the sum of 276 and 364?
Back
640
6.
FLASHCARD QUESTION
Front
What is the difference when you subtract 1772 from 2854?
Back
1082
7.
FLASHCARD QUESTION
Front
Estimate the sum of 578 and 720.
Back
1300
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