5th D11

Front

What is 7 + 5?

Back

12

Front

What is 8 + 9?

Back

17

Front

What is 5 + 9?

Back

14

Front

What is 8 + 6?

Back

14

Front

What is 9 + 1?

Back

10

Front

What is the sum of two numbers?

Back

The result of adding two numbers together.

Front

What is addition?

Back

A mathematical operation where two or more numbers are combined to get a total.

Front

What is the commutative property of addition?

Back

The order of numbers does not change the sum (e.g., 3 + 5 = 5 + 3).

Front

What is the associative property of addition?

Back

The way numbers are grouped does not change the sum (e.g., (2 + 3) + 4 = 2 + (3 + 4)).

Front

What is a number line?

Back

A line that represents numbers in order, often used to visualize addition and subtraction.