Addition with/without 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 column to the next when the sum exceeds 10.

Front

What is the sum of 25 and 7?

Back

32

Front

What is the sum of 48 and 67?

Back

115

Front

What is the sum of 68 and 9?

Back

77

Front

What is the sum of 578 and 456?

Back

1,034

Front

What is the sum of 94 and 67?

Back

161

Front

How do you add two-digit numbers?

Back

Align the numbers by place value, add the ones column, and then the tens column, regrouping if necessary.

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 ones place?

Back

The ones place is the rightmost digit in a number, representing single units.