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primary 5 | Maths | Whole Numbers
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Lena
Lena

primary 5 chevron_right Maths chevron_right Whole Numbers chevron_right Singapore

Pls help to explain & solve.

Date Posted: 1 week ago
Views: 29
sstrike
Sstrike
1 week ago
excess / shortage

$6+$9 = $15
8-3 = 5
$15÷5 = $3
5 : 3 = $15 : $9
2×$9= $18 (Ans)
or
$9+3×$3= $18 (Ans)

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Bryce
Bryce's answer
5 answers (A Helpful Person)
There are two methods to this answer. You may choose the one you understand better. Though model may be inefficient at some times, it is good to visualise the problem sometimes.
Lena
Lena
1 week ago
Thank you.
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JADE LEE ZI QI
Jade Lee Zi Qi's answer
8 answers (Tutor Details)
M is markers

8 markers - $6 = total she have
3 markers + $9 = total she have

1 into 2

8marker - $6 = 3 marker + $9
1 marker = 3

Total she have

M into 1

8(3) - 6 = $18
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sstrike
Sstrike's answer
1202 answers (A Helpful Person)
excess / shortage