SG chevron_right Primary 6 chevron_right Fractions

Can someone please help with this?! Many thanks...

SG chevron_right Primary 4 chevron_right Measurement

SG chevron_right Primary 5 chevron_right Fractions

My P5 son's teacher asked him to solve this maths question using "drop down model". I googled for "drop down model" but could not find. Anyone knows what is it?Thanks.

SG chevron_right Primary 3 chevron_right Number and Algebra

I was so sure my answer was right. Anymore can tell me?

SG chevron_right Primary 5 chevron_right Number and Algebra