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Number Kingdom

Master precision, estimation, accuracy, roots and numerical power.

22topic modules 220open milestones

Topic search

Search undefined or any topic

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Player progress

Level 1 · Apprentice

0 / 100 XP

0 day streak 0% platform mastery 0 completed topics 0 badges 0 boss wins 220 open milestones

Skill tree

Number Kingdom mastery path

Numerical power branches
Rounding citadelNot startedSignificant-figure spireNot startedEstimation marketNot startedRoots cavernNot startedBounds fortressNot started
  1. Level 1 · FoundationComplete the introduction and visual explanation.Progress status: Not started → In progress → Completed → Mastered → Legendary
  2. Level 2 · ApprenticeFinish the interactive guide and worked examples.Progress status: Not started → In progress → Completed → Mastered → Legendary
  3. Level 3 · SkilledClear guided and independent practice.Progress status: Not started → In progress → Completed → Mastered → Legendary
  4. Level 4 · ExpertScore at least 80% on the mastery test.Progress status: Not started → In progress → Completed → Mastered → Legendary
  5. Level 5 · MasterDefeat the timed boss battle and claim the badge.Progress status: Not started → In progress → Completed → Mastered → Legendary

Final boss

The Numeral Titan

A 50-question final boss combining rounding, significant figures, estimation, roots, calculator checks, bounds and error intervals.

50 questions45 minutes2000 XP
Unlocks after all topic bosses are defeatedAwaiting unlock

Reward: Number Kingdom completion certificate and exclusive achievement.

Achievement system

Every Number Kingdom topic has a five-tier badge path

🥉 Bronze Badge Foundation level completed
🥈 Silver Badge Apprentice level completed
🥇 Gold Badge Skilled level completed
💎 Platinum Badge Mastery test passed
🐉 Legendary Badge Boss battle defeated

Recommended order

Start with a clear four-topic path

  1. 1
    Rounding integers to powers of 10Rounding
    Open
  2. 2
    Minimum after roundingBounds
    Open
  3. 3
    Maximum after roundingBounds
    Open
  4. 4
    Rounding to decimal placesRounding
    Open

Topic progress

Every topic is open

Not startedIn progressCompletedMasteredLegendary

Open topics

Number Kingdom study topics

Follow the recommended order or jump straight to the topic you need. Practice and help are available immediately.

All topics open

Skill branch

Rounding

2 topics

Skill branch

Bounds

6 topics

Skill branch

Significant figures

6 topics

Skill branch

Estimation

5 topics

Skill branch

Roots

2 topics

Skill branch

Accuracy

1 topics

Weekly challenges

Number Kingdom challenge board

Region Scout

Visit every live region and inspect its quest path.

100 XP
Progression Review

Review a stage path, boss ladder and achievement framework.

150 XP