Addition and Subtraction with regrouping

Front

What is regrouping in addition and subtraction?

Back

Regrouping is the process of carrying over or borrowing numbers when performing addition or subtraction, especially when the digits in one column exceed the maximum value (10 for addition, 10 for subtraction).

Front

How do you perform addition with regrouping?

Back

To perform addition with regrouping, align the numbers by place value, add each column starting from the rightmost side, and carry over any value greater than 10 to the next column.

Front

How do you perform subtraction with regrouping?

Back

To perform subtraction with regrouping, align the numbers by place value, subtract each column starting from the rightmost side, and borrow from the next column if the top digit is smaller than the bottom digit.

Front

What is the result of 1,000,000 - 625,901?

Back

374,099.

Front

What is the result of 236,732 + 43,298?

Back

280,030.

Front

If 230 tickets were sold on Friday and 56 more on Saturday, how many tickets were sold in total?

Back

516 tickets were sold.

Front

What is the result of 12,000,345 - 3,721,000?

Back

8,279,345.

Front

If 23,456 people attended a rally on Monday and 13,220 fewer attended on Tuesday, how many attended on Tuesday?

Back

10,236 people attended on Tuesday.

Front

What is the importance of place value in addition and subtraction?

Back

Place value is crucial in addition and subtraction as it determines the value of each digit based on its position, ensuring accurate calculations.

Front

What is the first step in solving an application-based question involving addition or subtraction?

Back

The first step is to read the problem carefully to understand what is being asked and identify the numbers involved.