Unit 3 Project - Addition Flashcard

Front

59 + 30

Back

89

Front

30 + 7

Back

37

Front

41 + 3

Back

44

Front

87 + 2

Back

89

Front

93 + 6

Back

99

Front

What is addition?

Back

Addition is the mathematical operation of combining two or more numbers to get a total.

Front

What is the sum of two numbers?

Back

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

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the addends does not change the sum (e.g., a + b = b + a).

Front

What is the associative property of addition?

Back

The associative property states that the way in which numbers are grouped in addition does not change the sum (e.g., (a + b) + c = a + (b + c)).

Front

What is a number line?

Back

A number line is a visual representation of numbers in a straight line, where each point corresponds to a number.