Year 4
Subtracting using the column method, when multiple columns require regrouping
Year 4
Subtracting using the column method, when multiple columns require regrouping
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Lesson details
Key learning points
- In this lesson, we will use the column method to subtract two four digit numbers where regrouping is required in multiple columns.
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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.
For the following equation: 5762 - 4031 = ... which is the most appropriate estimate?
5000 - 4000 = 1000
5700 - 4000 = 1700
Q2.
For the following equation: 8371 - 6124 = ... which is the most appropriate estimate?
8400 - 6100 = 2300
9000 - 6000 = 3000
Q3.
In the following equation: 8624 - 3711 = ... which column requires regrouping?
Ones
Tens
Q4.
In the following equation: 6744 - 2481 = ... which column requires regrouping?
Hundreds
Ones
Q5.
Mrs Crane has made a mistake in the following calculation. What has she done wrong?
Nothing!
She's added instead of subtracted
5 Questions
Q1.
Mrs Crane wants to make an estimate before she calculates her equation. Her equation is 3569 - 2407 = ... Which of the following is the best estimate?
3000 - 2000 = 1000
3000 - 3000 = 0
Q2.
Mrs Crane wants to make an estimate before she calculates her equation. Her equation is 3972 - 1963 = ... Which of the following is the best estimate?
3000 - 1000 = 2000
4000 - 1000 = 3000
Q3.
In this equation: 3792 - 1909 = which two columns require regrouping?
Ones and Tens
Tens and Hundreds
Q4.
In this equation: 9764 - 2589 = which two columns require regrouping?
Ones and Hundreds
Tens and Hundreds
Q5.
Some of the digits are missing from the equation below. What are the missing digits?
1 and 4
9 and 5