Two-Digit Addition Without Regrouping

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What is two-digit addition without regrouping?

Back

Two-digit addition without regrouping refers to the process of adding two numbers that each have two digits, where the sum of the digits in each place value (tens and ones) does not exceed 9, thus not requiring carrying over to the next place value.

Front

What is the sum of 12 and 32?

Back

The sum of 12 and 32 is 44.

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What is the sum of 15 and 64?

Back

The sum of 15 and 64 is 79.

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What is the sum of 46 and 43?

Back

The sum of 46 and 43 is 89.

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What is the sum of 85 and 14?

Back

The sum of 85 and 14 is 99.

Front

What is the sum of 54 and 24?

Back

The sum of 54 and 24 is 78.

Front

How do you add two-digit numbers without regrouping?

Back

To add two-digit numbers without regrouping, align the numbers by place value, add the ones place digits, then add the tens place digits, ensuring that neither sum exceeds 9.

Front

What is the importance of place value in addition?

Back

Place value is important in addition because it helps to organize numbers correctly, ensuring that digits are added in their respective columns (ones, tens, etc.) to obtain an accurate sum.

Front

What happens if the sum of the ones place exceeds 9?

Back

If the sum of the ones place exceeds 9, regrouping is required, which involves carrying over to the next place value (tens).

Front

Can you give an example of two-digit addition with regrouping?

Back

An example of two-digit addition with regrouping is 27 + 36. The sum of the ones place (7 + 6) is 13, which requires carrying over 1 to the tens place.