Computation
Add carefully! 2,385 + 3,637 = ?
6,022
Evaluate: 21 - 12 + 9 - 2
16
Subtract carefully! 8,000 - 3,916 = ?
4,084
Evaluate: (0.2 + 0.8) x (1 - 0.1)
.9
Multiply carefully! 27 x 28 = ?
756
Multiply carefully! 256 x 12 = ?
3,072