Multi digit Addition

What is a multi-digit number?

• A number with only one digit

• A number with more than one digit

• A number less than 10

• A number that cannot be added

What is a multi digit number?

(a)  

What do you do if the sum of a column is a two-digit number?

• Write both digits in the answer

• Ignore the second digit

• Carry the extra digit to the next column

• Start over

In the example 1,850 + 354, what is the sum of the digits in the tens place?

• 8

• 10

• 9

• 5

What is a good practice to check your answers after adding multi-digit numbers?

• Ignoring mistakes

• Asking a friend

• Using a calculator

• Rewriting the problem

In the example 145 + 809 + 77, what is the sum of the digits in the hundreds place?

• 9

• 8

• 7

• 10