Skip to content

Learn

All topics

Percentages

Calculate percentages mentally by flipping, halving, and using the 10% building-block method.

Build from 10%: find 10% first, then double/halve/add to reach the target percentage.

Level Guides

15 level-fit visual guides.

Level 1 visual plan for 1d% of 1d (easy)

Level 1 / foundation

1d% of 1d (easy)

3 visual steps

Level 2 visual plan for 1d% of 1d (harder)

Level 2 / foundation

1d% of 1d (harder)

3 visual steps

Level 3 visual plan for 1d% of 2d (no carry)

Level 3 / realistic untimed

1d% of 2d (no carry)

3 visual steps

Level 4 visual plan for 1d% of 2d (carry)

Level 4 / foundation

1d% of 2d (carry)

3 visual steps

Level 5 visual plan for 1d% of 2d mastery (X >= 6, carry)

Level 5 / foundation

1d% of 2d mastery (X >= 6, carry)

3 visual steps

Level 6 visual plan for 1d% of 3d (no carry)

Level 6 / build-up

1d% of 3d (no carry)

3 visual steps

Level 7 visual plan for 1d% of 3d (tens carry)

Level 7 / build-up

1d% of 3d (tens carry)

3 visual steps

Level 8 visual plan for 1d% of 3d (both carry)

Level 8 / realistic untimed

1d% of 3d (both carry)

3 visual steps

Level 9 visual plan for 1d% of 3d (any)

Level 9 / build-up

1d% of 3d (any)

3 visual steps

Level 10 visual plan for 1d% of 3d mastery (X >= 6, both carries)

Level 10 / build-up

1d% of 3d mastery (X >= 6, both carries)

3 visual steps

Level 11 visual plan for 2d% of 3d (small)

Level 11 / mastery

2d% of 3d (small)

4 visual steps

Level 12 visual plan for 2d% of 3d (digits 1-3)

Level 12 / mastery

2d% of 3d (digits 1-3)

4 visual steps

Level 13 visual plan for 2d% of 3d (mid tens)

Level 13 / realistic untimed

2d% of 3d (mid tens)

4 visual steps

Level 14 visual plan for 2d% of 3d (wide)

Level 14 / mastery

2d% of 3d (wide)

4 visual steps

Level 15 visual plan for 2d% of 3d mastery (X tens 4-6)

Level 15 / mastery

2d% of 3d mastery (X tens 4-6)

4 visual steps

Practice this category

Use the method on live percentages levels.

Open Percentages Workouts