You will be given eight minutes to find the answers to as many of these addition examples as possible. Write the answers on this paper directly underneath the examples. You are not expected to be able to do them all. You will be marked for both speed and accuracy, but it is more important to have your answers right than to try a great many examples.
| 927 | 297 | 136 | 486 | 384 | 176 | 277 | 837 |
| 379 | 925 | 340 | 765 | 477 | 783 | 445 | 882 |
| 756 | 473 | 988 | 524 | 881 | 697 | 682 | 959 |
| 837 | 983 | 386 | 140 | 266 | 200 | 594 | 603 |
| 924 | 315 | 353 | 812 | 679 | 366 | 481 | 118 |
| 110 | 661 | 904 | 466 | 241 | 851 | 778 | 781 |
| 854 | 794 | 547 | 355 | 796 | 535 | 849 | 756 |
| 965 | 177 | 192 | 834 | 850 | 323 | 157 | 222 |
| 344 | 124 | 439 | 567 | 733 | 229 | 953 | 525 |
| —— | —— | —— | —— | —— | —— | —— | —— |
and sixteen more addition examples of nine three-place numbers.
Courtis Test
Arithmetic. Test No. 2. Subtraction
Series B
You will be given four minutes to find the answers to as many of these subtraction examples as possible. Write the answers on this paper directly underneath the examples. You are not expected to be able to do them all. You will be marked for both speed and accuracy, but it is more important to have your answers right than to try a great many examples.
| 107795491 | 75088824 | 91500053 | 87939983 |
| 77197029 | 57406394 | 19901563 | 72207316 |
| ————— | ————— | ————— | ————— |
and twenty more tasks of the same sort.
Courtis Test