Subtracting 3-digit numbers (regrouping hundreds to tens)
Subtracting 3-digit numbers (regrouping hundreds to tens)
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Lesson details
Key learning points
- In this lesson, we will focus on column subtraction where regrouping from the hundreds into the tens column is needed.
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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.
Regrouping is always needed when...
there is a 6
when you can do it in your head
you are subtracting a 3-digit number
Q2.
Which of these calculations requires regrouping?
319 - 208 =
500 - 200 =
567 - 111 =
Q3.
True or false this questions has been answered correctly? 456 - 147 = 311
True
Q4.
846 - 227 =
500
621
721
Q5.
Has this question been answered correctly? 526 - 309 = 217
Maybe
No
5 Questions
Q1.
Regrouping means...
Addition
multiplication
subtraction
Q2.
Which of these calculations requires regrouping?
317 - 205 =
444 - 222 =
900 - 700 =
Q3.
Does this calculation require regrouping?
Maybe
No
Q4.
458 - 192 =
199
200
346
Q5.
Is this calculation correct? 520 - 150 = 330
Maybe
Yes