Addition and Subtraction
1,648 - 537 = 1,950 1,111 1,211 579 - 482 = 78 79 97 3,985 - 2,636 = 1,349 3,194 1,149 69,520 - 36,700 32,896 32,280 32,820 95,311 - 92,500 2,811 1,812 2,181 298 + 156 = 545 454 123 2,896 + 632 = 2,229 3,528 5,865 9,563 + 874 = 14,743 10,734 10,437 48,653 + 6,253 = 54,609 54,906 52,857 65,239 + 32,165 = 79,476 97,404 94,707