Maths with Camden

Tokyo           maths know how can do

WALT split up our numbers to add them (PV partitioning)

Solve these problems- show how you worked it out.

1. 145+642=787

100 40 5     600 40 2

100+600=700    40+40=80    5+2=7    700+80=780   780+7=787

2. 632+145=

600 30 2      100 40 5

600+100=700   30+40=70  5+2=8

3. 362+417=

300 60 2      400 10 7

300+400=700    60+10=70    2+7=9    

700+70=770     770+9=779