Fact fluency!

Front

What is the result of subtracting 4 from 10?

Back

6

Front

What is the sum of 5 and 8?

Back

13

Front

What is the sum of 3 and 10?

Back

13

Front

What is the sum of 2 and 10?

Back

12

Front

What is the sum of 9 and 10?

Back

19

Front

What is the definition of addition?

Back

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

Front

What is the definition of subtraction?

Back

Subtraction is the mathematical operation of taking one number away from another.

Front

What is the commutative property of addition?

Back

The commutative property of addition states that changing the order of the addends does not change the sum.

Front

What is the associative property of addition?

Back

The associative property of addition states that the way in which numbers are grouped in addition does not change the sum.

Front

What is a number line and how is it used in addition and subtraction?

Back

A number line is a visual representation of numbers on a straight line, used to illustrate addition and subtraction by moving right for addition and left for subtraction.