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Lesson details
Key learning points
- In this lesson, we will learn to partition 3-digit numbers in order to mentally add them accurately.
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.
When we subtract the original number always gets bigger? True or false?
True
Q2.
Is this calculation correct? 456 - 300 = 200
Maybe
Yes
Q3.
567 + 300 =
100
267
800
Q4.
212 - 100 =
100
12
200
Q5.
515 + 600 =
1015
115
915
5 Questions
Q1.
Tick the 3 digit number
3
3000
33
Q2.
400 + 200 =
406
420
60
Q3.
324 + 173 =
1000
400
490
Q4.
506 + 293 =
700
790
7900
Q5.
Which of these is the odd one out?
176 + 123 =
500 + 400 =
502 + 491 =