Singapore Math: Grade 3a Unit 1 (part 2)
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@gocaca How about having to owe 20 marbles from a can to someone?
vpletap 1 year ago
Thank you..this has been helpful.
Just purchased Singapore Math 3A and 3B today.
ScifiAngel74 2 years ago
this is good way to think about this but it does have its drawbacks with negative numbers now imagine this a student thinks about marbles then he hears of a number like -20
how will he/she think about -20 marbles in a can? kinda defies logic,(just some food for thought and perhaps not related to the syllabus ur teaching)
gocaca 3 years ago