3-Digit Addition With Regrouping

What does regrouping mean in addition?

• Carrying over a value from one column to the next when the sum exceeds 9.

• Adding numbers without carrying over any values.

• Subtracting values from the total to simplify the addition.

• Grouping numbers in pairs to make addition easier.

How do you add the ones place in 3-digit addition?

• Add the digits in the ones place together. If the sum is 10 or more, regroup by carrying over to the tens place.

• Ignore the ones place and only add the tens and hundreds places.

• Always write the ones place sum directly below the line without carrying over.

• Add the ones place digits and subtract 1 if the sum is even.

What is the sum of 261 and 244?

• 500

• 505

• 510

• 515

How do you add the hundreds place in 3-digit addition?

• Add the digits in the hundreds place together, including any carry from the tens place.

• Only add the hundreds digits without considering the tens or units.

• Ignore the carry from the tens place and just add the hundreds digits.

• Add the hundreds digit of the first number to the tens digit of the second number.

What is the sum of 528 and 575?

• 1102

• 1103

• 1104

• 1105

What is a carry in addition?

• A carry is when the sum of a column exceeds 9, and you move the extra value to the next column.

• A carry is when you add two numbers without any overflow.

• A carry is the process of subtracting numbers in a column.

• A carry is when you multiply numbers in a column.

What is the first step in 3-digit addition?

• Line up the numbers by place value (hundreds, tens, ones) before adding.

• Add the ones place first.

• Start with the hundreds place and add downwards.

• Write the numbers in any order before adding.

What is the sum of 341 and 305?

• 634

• 645

• 646

• 657

What is an example of regrouping in 3-digit addition?

• When adding 482 and 383, 2 + 3 = 5 (ones), 8 + 8 = 16 (regroup 1 to hundreds), 4 + 3 + 1 = 8 (hundreds).

• When adding 256 and 479, 6 + 9 = 15 (regroup 1 to tens), 5 + 7 + 1 = 13 (hundreds).

• When adding 123 and 456, 3 + 6 = 9 (ones), 2 + 5 = 7 (tens), 1 + 4 = 5 (hundreds).

• When adding 345 and 678, 5 + 8 = 13 (regroup 1 to tens), 4 + 7 + 1 = 12 (hundreds).

What is the sum of 316 and 289?

• 595

• 605

• 615

• 620