Arithmetic: Addition of Decimal Numbers
| Problem | First Number | Second Number | Total |
| 1 | 0.2062 | 971.9982 | 972.2044 |
| 2 | 0.0096 | 0.0199 | 0.0295 |
| 3 | 0.6832 | 0.0366 | 0.7198 |
| 4 | 0.5926 | 0.8564 | 1.449 |
| 5 | 0.0009 | 62.1903 | 62.1912 |
| 6 | 183.4243 | 591.3829 | 774.8072 |
| 7 | 0.4896 | 5.9477 | 6.4373 |
| 8 | 763.1996 | 0.0541 | 763.2537 |
| 9 | 564.7419 | 0.8738 | 565.6157 |
| 10 | 719.3425 | 9.9659 | 729.3084 |
| 11 | 7.0388 | 5.5543 | 12.5931 |
| 12 | 0.3011 | 5.8915 | 6.1926 |
| 13 | 0.3588 | 30.3923 | 30.7511 |
| 14 | 639.4555 | 0.0033 | 639.4588 |
| 15 | 2.2994 | 9.3268 | 11.6262 |
| 16 | 260.2303 | 9.5765 | 269.8068 |
| 17 | 0.0665 | 0.1745 | 0.241 |
| 18 | 0.0944 | 80.9463 | 81.0407 |
| 19 | 0.0709 | 0.0168 | 0.0877 |
| 20 | 0.3768 | 8.9772 | 9.354 |
| 21 | 0.0691 | 0.5045 | 0.5736 |
| 22 | 661.5715 | 0.283 | 661.8545 |
| 23 | 0.0373 | 2.785 | 2.8223 |
| 24 | 8.9024 | 8.3869 | 17.2893 |
| 25 | 4.7742 | 30.7488 | 35.523 |
| 26 | 627.4408 | 0.0142 | 627.455 |
| 27 | 0.1048 | 0.0531 | 0.1579 |
| 28 | 0.0812 | 0.2002 | 0.2814 |
| 29 | 0.0651 | 18.5913 | 18.6564 |
| 30 | 52.9475 | 0.4585 | 53.406 |
| 31 | 86.8086 | 0.0178 | 86.8264 |
| 32 | 98.9 | 672.5158 | 771.4158 |
| 33 | 0.5134 | 523.1954 | 523.7088 |
| 34 | 287.0697 | 0.57 | 287.6397 |
| 35 | 75.3015 | 31.3465 | 106.648 |
| 36 | 4.9884 | 922.2368 | 927.2252 |
| 37 | 173.3745 | 932.6914 | 1106.0659 |
| 38 | 4.3689 | 49.4474 | 53.8163 |
| 39 | 0.7279 | 0.0099 | 0.7378 |
| 40 | 35.9213 | 0.6453 | 36.5666 |
| 41 | 0.9094 | 0.2244 | 1.1338 |
| 42 | 0.697 | 0.6072 | 1.3042 |
| 43 | 0.3012 | 1.9867 | 2.2879 |
| 44 | 0.0248 | 0.0229 | 0.0477 |
| 45 | 0.0971 | 5.7792 | 5.8763 |
| 46 | 0.0775 | 0.416 | 0.4935 |
| 47 | 0.1644 | 0.0102 | 0.1746 |
| 48 | 0.0384 | 6.4944 | 6.5328 |
| 49 | 0.5738 | 105.1179 | 105.6917 |
| 50 | 961.3984 | 0.0058 | 961.4042 |