Subtracting using the column method, when multiple columns require regrouping

Maths

Addition and subtraction

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?

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?

In this equation: 3792 - 1909 = which two columns require regrouping?

In this equation: 9764 - 2589 = which two columns require regrouping?

Some of the digits are missing from the equation below. What are the missing digits?

For the following equation: 5762 - 4031 = ... which is the most appropriate estimate?

For the following equation: 8371 - 6124 = ... which is the most appropriate estimate?

In the following equation: 8624 - 3711 = ... which column requires regrouping?

In the following equation: 6744 - 2481 = ... which column requires regrouping?

Forgotten to regroup one ten for ten ones so that she can take 8 away from 4.

Mrs Crane has made a mistake in the following calculation. What has she done wrong?

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