2-Digit Addition and Subtraction with and without Regrouping

Front

What is 2-digit addition?

Back

2-digit addition is the process of adding two numbers that each have two digits, such as 34 + 25.

Front

What is 2-digit subtraction?

Back

2-digit subtraction is the process of subtracting one two-digit number from another, like 56 - 23.

Front

What does regrouping mean in addition?

Back

Regrouping in addition means carrying over a value from one column to the next when the sum exceeds 9.

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction means borrowing from the next column when the top number is smaller than the bottom number.

Front

What is the sum of 18 and 41?

Back

The sum of 18 and 41 is 59.

Front

If John has 65 erasers and 29 pencils, how many items does he have in total?

Back

John has 94 items in total (65 + 29 = 94).

Front

If Hanna has 51 popsicles and 27 melt, how many does she have left?

Back

Hanna has 24 popsicles left (51 - 27 = 24).

Front

What is 28 + 70?

Back

28 + 70 equals 98.

Front

What is 23 + 48?

Back

23 + 48 equals 71.

Front

What is the difference between addition and subtraction?

Back

Addition combines numbers to find a total, while subtraction finds the difference between numbers.