Mental Math

Stay sharp and ready for the trading day, or your next job interview!

Any value that satisfies the equation will be accepted. For example, with a Max Decimal Places of 00, 1÷?=1{1}\div{?}={1} will accept values from 0.666...0.666... to 22

START

Difficulty:

Rules: 80 in 8

DIFFICULTY

EASY

Start slow

FAIR

Build your confidence

HARD

Get serious

COCKY

Come on...

CUSTOM DIFFICULTY

RULES

80 in 8

The Classic

Survival

How long can you last?

Race To 100

As fast as you can!

Time Attack

Time is money, save it!

CUSTOM RULES

Limits

Number of Questions

Current: 2

a

Time Limit (sec)

Current: 08:00

a

Score Limit

Current: Disabled

a

Answer Impact

Points per Correct Answer

Current: 2

a

Time Bonus per Correct Answer

Current: Disabled

a

Points per Incorrect Answer

Current: -3

a

Time Penalty per Incorrect Answer

Current: Disabled

a

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