Year 4
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Lesson details
Key learning points
- In this lesson, we will use the column method to add two four digit numbers where regrouping is required in one column.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
Mrs Crane has derived some facts from the following equation: 10 + 3 = 13. Which of the following is NOT correct?
100 + 30 = 130
110 + 3 = 113
Q2.
Mrs Crane has derived some facts from the following equation: 2 + 3 = 5. Which of the following is NOT correct?
20 + 30 = 50
200 + 300 = 500
Q3.
Which is the most efficient strategy to use to solve the following equation: 2432 + 2438
Count on
Partition
Q4.
Which is the most efficient strategy to use to solve the following equation: 5434 - 1996
Count on
Partition
Q5.
Which is the most efficient strategy to use to solve the following equation: 4007 - 3991
Partition
Round and adjust
5 Questions
Q1.
Which of the following equations is the odd one out because it requires no regrouping?
3456 + 2733 =
7653 + 1273 =
Q2.
Which of the following equations is the odd one out because it requires regrouping in the tens column?
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
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
Q5.
One of the digits in this column addition is missing. What is the missing number?
13
3