Year 3
Subtracting 3-digit numbers (regrouping hundreds to tens)
Year 3
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.
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.
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