Tuesday, December 14, 2010

Fwd: Fraction question from onsponge

Q18) Mdm Ang bought some highlighters, pens and mechanical pencils. 1/4 of them
were highlighters. The number of pens she bought was 6 more than 1/2 the total number of all the items and the remaining were mechanical pencils. Each of the highlighter, pens and mechanical pencils cost $2.10, $4.05 and $1.60 respectively. She spent a total of $227.10 on all the items. How many pens did she buy altogether?


Ans: 42


Mr Chang C.L.


Tuesday, November 23, 2010

Cow and hen problem

Money / grouping

Time / find start time gvn end time on clock face

Numbers / comparison model

Measurement / part-whole

Time / finding ending time given duration

Numbers / money / Listing possibilities

Fraction / part-whole

Forming 4-digit odd/even numbers

Graph / the pull of nos

Number line

Seating positiom frm left m right

Pattern involving multm ,

P3 numbers / model

Fraction / money exchanging


Fraction / sakamoto


Ratio / model

Fraction / model



Testing... the first entry

This is the first entry.