Addition ~ with regrouping

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What does it mean to regroup in addition?

Back

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

Front

What is the sum of 27 and 15?

Back

The sum of 27 and 15 is 42.

Front

How do you add 28 and 37 using regrouping?

Back

1. Add the ones: 8 + 7 = 15. Write down 5 and carry over 1. 2. Add the tens: 2 + 3 + 1 (carried over) = 6. The answer is 65.

Front

What is a place value?

Back

Place value is the value of a digit based on its position in a number.

Front

What is the place value of 5 in the number 45?

Back

The place value of 5 in the number 45 is 5 (in the ones place).

Front

What is the place value of 5 in the number 57?

Back

The place value of 5 in the number 57 is 50 (in the tens place).

Front

What is the sum of 56 and 29?

Back

The sum of 56 and 29 is 85.

Front

How do you add 49 and 36 using regrouping?

Back

1. Add the ones: 9 + 6 = 15. Write down 5 and carry over 1. 2. Add the tens: 4 + 3 + 1 (carried over) = 8. The answer is 85.

Front

What is a carry in addition?

Back

A carry in addition is when the sum of a column exceeds 9, and you move the extra value to the next column.