Priscilla Ng's answer to Keith wee's Primary 3 Maths Singapore question.

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Priscilla Ng
Priscilla Ng's answer
806 answers (Tutor Details)
This is an AO3 level as stated in the question.
It requires students to know their 6 and 10 times tables well and understand that the extra pencil is 1 more than the multiples and need more means the actual number is less than the multiples by 5.