Grade three, volume two, decimal point, oral calculation, card-off calculation, addition and subtraction.
Grade three, volume two, decimal point, oral calculation, card-off calculation, addition and subtraction.
3.5+2.3-4.7
=5.8-4.7
= 1. 1,
23.5+ 12.4-30. 1
=35.9-30. 1
=5.8.