Sumar hasta 100

Front

What is the sum of 63 and 18?

Back

81

Front

What is the sum of 23 and 25?

Back

48

Front

What is the sum of 35 and 2?

Back

37

Front

What is the sum of 71 and 26?

Back

97

Front

What is the sum of 13 and 19?

Back

32

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 commutative property of addition?

Back

The commutative property states that changing the order of the numbers being added 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 when adding does not change the sum.

Front

What is a two-digit number?

Back

A two-digit number is a number that has two places, ranging from 10 to 99.

Front

What is a one-digit number?

Back

A one-digit number is a number that has only one place, ranging from 0 to 9.