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Calculation Practice from the BEATCALC
mailing list: a weekly service from B. Lee Clay, archived here by the Math Forum. To subscribe to the BEATCALC mailing list, write to BEATCALC@aol.com.
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15 x 15 89 x 89 394 x 101 32 x 38 51 x 59 101 x 147 101 x 94 93 x 93 228 x 101 25 x 25 56 x 56 94 x 96 101 x 448 83 x 87 687 x 101 64 x 66 52 x 52 101 x 654 35 x 35 11 x 19 101 x 206 61 x 69 89 x 101 61 x 61 34 x 36 101 x 48 52 x 52 45 x 45 456 x 101 54 x 54 41 x 41 101 x 41 32 x 32 83 x 101 29 x 29 55 x 55 63 x 67 479 x 101 82 x 82 882 x 101 14 x 16 319 x 101 73 x 77 65 x 65 101 x 859 13 x 17 101 x 149 41 x 49 82 x 101 75 x 75 101 x 144 71 x 79 69 x 101 22 x 22 993 x 101 51 x 51 85 x 85 101 x 101 129 x 101 69 x 69 31 x 39 738 x 101 21 x 29 71 x 71 77 x 101 95 x 95 265 x 101 74 x 76 53 x 53 101 x 409 51 x 51 98 x 101 94 x 94 42 x 42 53 x 57 339 x 101 62 x 68 101 x 88 19 x 19 238 x 101 43 x 47 96 x 96 21 x 21 101 x 279 81 x 89 648 x 101 62 x 62 101 x 57 24 x 26 101 x 668 99 x 99 23 x 27 22 x 28 515 x 101 97 x 97 79 x 79 101 x 826 245 x 101 31 x 31 37 x 33 101 x 218 82 x 88 39 x 39 126 x 101 91 x 99 68 x 101 51 x 101 598 x 101 98 x 98 72 x 72 91 x 91 54 x 56 101 x 29 57 x 57 771 x 101 81 x 81 559 x 101 52 x 58 59 x 59 84 x 86 46 x 44 101 x 25 12 x 18 101 x 697 92 x 92 349 x 101 93 x 97 101 x 188 42 x 48 49 x 49 101 x 388 58 x 58 92 x 92 101 x 78 37 x 101 How many could you do quickly and accurately? |