Using given times for sprinting and given weights of fish, students order the decimal numbers to give the fastest three times and the three heaviest fish.
Answers/responses:
Y6 (10/1999)
a)
i)
ii)
iii)
Denise
Rena
Wendy
all 3 correct – very easy
b)
i)
ii)
iii)
Sam
Ling
Selina
all 3 correct – moderate
Diagnostic and formative information:
Common error
Likely reason
a)i)
ii)
iii)
Phillipa
Dalia
Sharon
Puts results from slowest to fastest rather than fastest to slowest.
b)i)
ii)
iii)
Katie
Terry
Jean
Puts results from lightest to heaviest rather than heaviest to lightest.
b)iii)
Jean
Sees 3.709 as bigger than 3.740. Place value problems in hundredths and thousandths.