Percent Applications, Increase, Decrease, and Reverse Percent

Percent Applications, Increase, Decrease, and Reverse Percent practice with teacher guidance, common slips, and next-step routes.

Surface

This skill appears in Conserved-component final-whole entry.

Task formats

Conserved-component final-whole entry

Conserved-component final-whole entry asks the player to use a conserved component and changed composition fractions to enter the exact final whole in the declared unit.

ActionUse a conserved component and changed composition fractions to enter the exact final whole in the declared unit.

CheckComplete the conserved-component final-whole entry action.

UseSupport / Core / Transfer

ShowsCheck only

PresentationCompact / Standard / Extended

Practice focus

Math facts / times tables / Fractions feel hard

Selection

Fresh independent work can move toward Core, Transfer, or Challenge routes; help use or confusion keeps support visible.

Help

Hints keep attention on the visible structure; reveals show the path without counting as independent evidence.

Presentation

Presentation can reduce reading and interaction load without changing the selected skill. Practice focus can bias compatible work without breaking prerequisites or story fit.

Story fit

episodes where two quantities are linked by an explicit multiplicative scale or conserved proportion