Adding using the column method, when multiple columns require regrouping

Adding using the column method, when multiple columns require regrouping

Lesson details

Key learning points

  1. In this lesson, we will use the column method to add two four digit numbers where regrouping is required in multiple columns.

Licence

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5 Questions

Q1.
Which of the following equations is the odd one out because it requires no regrouping?
Correct answer: 2543 + 1233 =
3456 + 2733 =
7653 + 1273 =
Q2.
Which of the following equations is the odd one out because it requires regrouping in the tens column?
Correct answer: 3456 + 2362 =
5621 + 3722 =
7641 + 1533 =
Q3.
My equation is 3242 + 4567 = ... which is the best estimate to make before I calculate my answer?
3000 + 4000 = 7000
Correct answer: 3000 + 5000 = 8000
3200 + 4500 = 7700
Q4.
My equation is 6621 + 2098 = ... which is the best estimate to make before I calculate my answer?
6000 + 2000 = 8000
6600 + 2100 = 8700
Correct answer: 7000 + 2000 = 9000
Q5.
One of the digits in this column addition is missing. What is the missing number?
13
3
Correct answer: 6

5 Questions

Q1.
My equation is 4586 + 4815 = ... which is the best estimate to make before I calculate my answer?
4000 + 4000 = 8000
4500 + 4800 = 9300
Correct answer: 5000 + 5000 = 10,000
Q2.
My equation is 5592 + 1564 = ... which is the best estimate to make before I calculate my answer?
5000 + 2000 = 7000
6000 + 1000 = 7000
Correct answer: 6000 + 2000 = 8000
Q3.
From the following equations, which equation requires regrouping in TWO columns?
2472 + 3361
Correct answer: 3462 + 2971
4408 + 3701
Q4.
From the following equations, which equation requires regrouping in the tens and hundreds column?
Correct answer: 2472 + 3961
2631 + 5643
4408 + 3701
Q5.
One of the digits in this column addition is missing, what is the missing digit?
0
Correct answer: 2
3

Lesson appears in

UnitMaths / Addition and subtraction