Add without regrouping
The sum of 300 + 200
What is 500
The sum of 245+ 65
What is 310
232 + 110
What is 200 + 100 = 300
342
145 minus 132
What is 13
The difference between 910 and 324
What is 586
100 and 250 combined
What is 350
179 and 121 Combined
What is 300
62 + 79
What is 60 + 80
140
500 - 400
What is 100
102 minus 17
What is 85
270 increased by 125
What is 395
814 increased by 396
What is 1,210
456 + 73
What is 500 + 100 = 600
529
587 decreased by 253
What is 324
710 decreased by 361
What is 349
Add 784 and 315
What is 1,099
Add 425 and 97
What is 522
874 - 450
What is 900 - 500 = 400
424
The difference between 615 and 203
What is 412
109 minus 64
What is 45
The total of 925 and 74
What is 999
The total of 49 and 319
What is 368
910 - 650
What is 900 - 700 = 200
260
738 minus 715
What is 23
921 - 99
What is 822