Quick Math
Complete the equation
Pattern Sprint
Crack sequences against the clock
Number Rush
Tap them in order
Odd One Out
One doesn't belong
True or False
Trust your gut
Speed mode
Train mental math and number speed in quick games
Nuddle's Speed mode combines five quick number games: Quick Math, Pattern Sprint, Number Rush, Odd One Out, and True or False. Every round rewards fast, accurate decisions.
Free. Offline. iOS and Android.
Why mental math speed matters
Quick mental math is useful far beyond tests. It helps with everyday sums, builds confidence with numbers, and keeps your arithmetic sharp. Like any skill, it responds well to short, frequent practice.
Nuddle's Speed mode focuses on exactly that: fast, single-answer questions you solve against the clock.
Five games in Speed mode
Each Speed game turns a different number skill into a short, focused challenge.
- Quick Math: complete addition, subtraction, or multiplication equations.
- Pattern Sprint: continue compact number sequences against the clock.
- Number Rush: tap scattered values in ascending order.
- Odd One Out: find the value that breaks the common rule.
- True or False: judge equations as quickly and accurately as you can.
Addition, subtraction and multiplication
Speed mode covers the three core operations, and every question has exactly one correct option so there is no guesswork. Start with addition to warm up, then push into multiplication for a tougher round.
Try a few
One missing number, one correct answer. How fast can you see it?
7512
1459
6318
Five ways to think fast
Speed mode keeps every round short and focused. Train arithmetic with Quick Math, race through patterns, order scattered numbers, find the odd one out, or judge equations at a glance.
Mental math FAQ
Sharpen your mental math today
Download Nuddle free and play a 60-second round whenever you have a minute.