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primary 5 | Maths | Whole Numbers
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wjaksk
Wjaksk

primary 5 chevron_right Maths chevron_right Whole Numbers chevron_right Singapore

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Date Posted: 3 months ago
Views: 80
Eric Nicholas K
Eric Nicholas K
3 months ago
First one is 46.

Think of rows.

38 rows of 50 is obtained when we subtract
8 rows of 50 away from 46 rows of 50.
Eric Nicholas K
Eric Nicholas K
3 months ago
Settle the brackets first.
Division and multiplication next, whichever comes first
Addition and subtraction last, whichever comes first.

100 / 4 + 6 x (10 - 2)
= 100 / 4 + 6 x 8 (brackets first)
= 25 + 6 x 8 (division before addition)
= 25 + 48 (multiplication before addition)
= 73 (addition)
wjaksk
Wjaksk
3 months ago
Thanks but i only needed help for the first one