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beginnermath
Mental Math Magic
โญ 437 XPยท๐ฅ 2 learningยท๐ 5 units
Multiply in your head, nail percentages at the till, and never fear a restaurant bill again. Tricks that make numbers feel like magic.
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โญ 67 XP ยท โก 1 day streak
What you will learn
Snap through every block - here's the full journey.
Unit 1
โ๏ธMultiply Like Magic
โ๏ธ Party tricks
The x11 trick
+39 XPDoubling and halving
+42 XP๐ง Mental math foundations
What is mental math?
+25 XPUnit 2
๐ฏPercentages Made Easy
๐ฏ Percent power
The percentage flip
+42 XPTips and discounts
+42 XPUnit 3
๐ฏThe Power of Estimation
๐ฏ Close enough
Round, then fix
+42 XPSanity checks
+37 XPUnit 4
๐ขNumber Patterns
๐ข Secret rules
Divisibility secrets
+42 XPSquare shortcuts
+42 XPUnit 5
๐Everyday Math
๐ Real-world numbers
Unit prices
+42 XPTime math
+42 XP