What is the sum of two numbers?

The sum is the result of adding two or more numbers together.

What is the difference between two numbers?

The difference is the result of subtracting one number from another.

What is a number line?

A number line is a straight line with numbers placed at equal intervals along its length, used to represent numbers visually.

What does it mean to regroup in addition?

Regrouping in addition means to carry over a value from one column to the next when the sum exceeds the base value (like 10 in base 10).

What does it mean to borrow in subtraction?

Borrowing in subtraction means to take a value from the next higher place value when the top number is smaller than the bottom number.

What is a place value?

Place value is the value of a digit based on its position in a number, such as ones, tens, hundreds, etc.

What is a two-digit number?

A two-digit number is a number that has two places, such as 10 to 99.

What is a three-digit number?

A three-digit number is a number that has three places, such as 100 to 999.

Math Flashcards: 15 Cards (3rd Grade)

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

244 + 338 = ?

Back

582

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

2.

FLASHCARD QUESTION

Front

700 - 168 = ?

Back

532

3.

FLASHCARD QUESTION

Front

65 + 75 = ?

Back

140

Tags

CCSS.2.NBT.B.5

4.

FLASHCARD QUESTION

Front

4568 + 8492 = ?

Back

13,060

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

5.

FLASHCARD QUESTION

Front

645 - 62 = ?

Back

583

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

6.

FLASHCARD QUESTION

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Tags

CCSS.1.OA.A.1

7.

FLASHCARD QUESTION

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Tags

CCSS.2.OA.A.1

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