What is the first step in adding multi-digit numbers?

• Start from the tens place

• Align the numbers by their place values

• Add the numbers directly

• Subtract the smaller number from the larger one

When adding multi-digit numbers, what should you do if the sum of a column is greater than nine?

• Subtract the extra digit from the sum

• Ignore the extra digit

• Write both digits in the same column

• Carry over the extra digit to the next column

In the example given, what is the result of adding 54 and 39?

• 73

• 103

• 83

• 93

What should you do if the top digit is smaller than the bottom digit in subtraction?

• Borrow 10 from the next column

• Ignore the difference

• Add 10 to the top digit

• Subtract the bottom digit from the top digit

In the subtraction example, what is the result of subtracting 39 from 54?

• 45

• 35

• 15

• 25