What is addition?
Unit 4: More Adding and Subtracting with Two-Digit Numbers

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•
Mathematics
•
2nd Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Addition is the process of finding the total or sum by combining two or more numbers.
2.
FLASHCARD QUESTION
Front
What is subtraction?
Back
Subtraction is the process of taking one number away from another.
3.
FLASHCARD QUESTION
Front
What is a two-digit number?
Back
A two-digit number is a number that has two places, such as 10 to 99.
4.
FLASHCARD QUESTION
Front
How do you add two-digit numbers?
Back
To add two-digit numbers, align the numbers by place value and add each column, starting from the right.
5.
FLASHCARD QUESTION
Front
How do you subtract two-digit numbers?
Back
To subtract two-digit numbers, align the numbers by place value and subtract each column, starting from the right.
6.
FLASHCARD QUESTION
Front
What is a number sentence?
Back
A number sentence is a mathematical statement that shows a relationship between numbers using operations like addition or subtraction.
7.
FLASHCARD QUESTION
Front
What does the plus sign (+) mean?
Back
The plus sign means to add numbers together.
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