Year 3

Year 3

# Subtracting 3-digit numbers (regrouping hundreds to tens)

## Lesson details

### Key learning points

1. In this lesson, we will focus on column subtraction where regrouping from the hundreds into the tens column is needed.

### Licence

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## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
Regrouping is always needed when...
Correct answer: digit/s in the 'part' are larger than those in the same column in the 'whole'
there is a 6
you are subtracting a 3-digit number
Q2.
Which of these calculations requires regrouping?
319 - 208 =
Correct answer: 456 - 147 =
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

## Exit quiz

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### 5 Questions

Q1.
Regrouping means...
multiplication
subtraction
Correct answer: using numbers from the next largest place value column
Q2.
Which of these calculations requires regrouping?
317 - 205 =
444 - 222 =
Correct answer: 900 - 610 =
900 - 700 =
Q3.
Does this calculation require regrouping?
Maybe
No