Not much time
- Gimme Some Sums
- Speed Test: Speed Test 25 | 2 & 4 Speed Test 25 | 2, 4 & 8 Speed Test 25 | 3, 6 & 9 Speed Test 25 | Speed Test 50 | Speed Test 100
- Quick Sums Addition : Add 10 to ThHT&U | Add 100 to ThHT&U | Add 9 to T&U | Add 8 to T&U
- Quick Sums Multiplication : 10 x ThHT&U | 100 toxThHT&U | 20 x T&U | 30 x HT&U
A bit more time, try something challenging
