addition
247+10
What is 257
964-10
What is 954
2 x 9
What is 18
29/2.256
What is 0.0778
[-12] + [18]
What is 30
84+9
What is 93
82-9
What is 73
4 x 9
What is 36
50/23450
What is 469
[-50] + [30]
What is 80
237+8
What is 245
236-8
What is 228
6 squared
What is 36
24 ÷6
What is 4
[-100] + [30]
What is 130
326 + 274
What is 600
420-22
What is 318
18 x 5
What is 90
72 ÷8
What is 9
[-500] + [400]
What is 900
938 + 181
What is 1,119
618-329
What is 289
24 x 7
What is 168
[-1000] + [-5000]
What is 6000