Year 3

Year 3

# Adding two 3-digit numbers (regrouping in multiple columns)

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## Lesson details

### Key learning points

1. In this lesson, we will look at using column addition when a number requires regrouping in more than one column when adding.

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## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
89 + 5 =
104
84
90
Q2.
Which of these calculations requires regrouping?
Correct answer: 190 + 20 =
200 + 700 =
230 + 620 =
800 + 100 =
Q3.
105 + 106 =
1011
110
201
Q4.
234 + 372 =
506
6106
616
Q5.
520 + 634 =
10054
1054
154

## Exit quiz

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### 5 Questions

Q1.
True or false, this calculation needs some regrouping? 54 + 23 =
True
Q2.
Which of these calculation needs regrouping?
150 + 140 =
Correct answer: 199 + 206 =
400 + 300 =
567 + 222 =
Q3.
555 + 555 =
1000
1010