Happys flashcard

Front

What is the result of adding 3 and 7?

Back

10

Front

What is the sum of 7 and 1?

Back

8

Front

Calculate the sum of 2 and 9.

Back

11

Front

What do you get when you add 6 and 1?

Back

7

Front

What is the result of 3 plus 7?

Back

10

Front

Define addition in mathematical terms.

Back

Addition is the process of calculating the total of two or more numbers or amounts.

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the numbers in an addition problem does not change the sum.

Front

What is the associative property of addition?

Back

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

Front

What is the identity property of addition?

Back

The identity property states that the sum of any number and zero is that number.

Front

How do you add two-digit numbers?

Back

Align the numbers by place value, add the digits starting from the rightmost column, and carry over if necessary.