SG chevron_right Primary 4 chevron_right Number and Algebra

I need help with questions 3 and 4.

SG chevron_right Primary 4 chevron_right Number and Algebra

Please help. Tks

SG chevron_right Primary 4 chevron_right Fractions

SG chevron_right Primary 5 chevron_right Fractions

Hi everyone. Appreaciate any help in how to solve operation where decimal and fraction needs to be added.

SG chevron_right Primary 6 chevron_right Fractions