Addition - 2 digit + 1 digit

Front

What is the sum of a two-digit number and a one-digit number?

Back

The sum is the result of adding the two numbers together, which can be calculated by aligning the numbers and performing the addition.

Front

How do you add 16 and 3?

Back

To add 16 and 3, align the numbers and add the digits: 16 + 3 = 19.

Front

What is the result of adding 8 and 11?

Back

The result of adding 8 and 11 is 19.

Front

What is the process for adding 17 and 2?

Back

To add 17 and 2, you simply add the digits: 17 + 2 = 19.

Front

What is 14 + 3?

Back

14 + 3 equals 17.

Front

How do you calculate 13 + 5?

Back

To calculate 13 + 5, add the two numbers together: 13 + 5 = 18.

Front

What is the importance of understanding addition of two-digit and one-digit numbers?

Back

Understanding this concept is crucial for solving more complex arithmetic problems and for real-life applications such as budgeting and shopping.

Front

What strategies can be used to add two-digit and one-digit numbers?

Back

Strategies include breaking down the two-digit number into tens and ones, using number lines, or counting up from the smaller number.

Front

What is a common mistake when adding two-digit and one-digit numbers?

Back

A common mistake is misaligning the numbers or forgetting to carry over when the sum exceeds 10.

Front

How can you verify the result of an addition problem?

Back

You can verify the result by using the inverse operation (subtraction) or by estimating the sum.