Mathematics & Science (optional block)

25% of 360?

698 decreased by 25%. New value?

2882 decreased by 11%. New value?

1049 increased by 26%. New value?

9% of 2180?

2414 decreased by 27%. New value?

5% of 776?

244% rise then 244% fall. Net % change?

23% of 672?

19% of 1972?

24% rise then 24% fall. Net % change?

945 increased by 18%. New value?

20% rise then 20% fall. Net % change?

2765 increased by 28%. New value?

802 decreased by 7%. New value?

3337 increased by 20%. New value?

17% of 1608?

36% rise then 36% fall. Net % change?

11% of 1868?

529 increased by 12%. New value?

16% rise then 16% fall. Net % change?

2089 increased by 28%. New value?

646 decreased by 21%. New value?

633 increased by 20%. New value?

17% of 256?