Fly Your Flag

Measure the circumference of your head with a piece of string/wool.  Estimate how long  this  string is (using your fingertips{...}

Launch: How many people do you think will fit in this train?  Where would you put your seats?  How many{...}

Problem-solving Modelling numbers Show base 10 place-value pieces: flats (100), longs (10) and units (1). Include blocks (1000) if students{...}