Adding Multi-Digit Numbers Concepts

What defines a multi-digit number?

• A number with only one digit.

• A number that is greater than 9.

• A number that uses two number places.

• A number that is less than 10.

What is the first step to add multi-digit numbers when writing them vertically?

• Draw a line below the bottom number.

• Place a plus sign on the left side.

• Stack the numbers on top of each other, aligning the ones place.

• Add the digits in the hundreds place column.

When adding numbers in columns, which column should you always add first?

• The hundreds place column.

• The tens place column.

• The ones place column.

• The leftmost column.

What is the mathematical term for moving a digit to the next column when the sum of a column is a two-digit number?

• Subtracting

• Multiplying

• Regrouping

• Dividing

What is the sum of 1,850 and 354?

• 2,104

• 2,204

• 1,204

• 1,884