From 68 99 84 74 take 42 76 31 32 Answers : 26 23 53 42 6. How many are 53 less 18 ? 53 = 5 tens + 3 units. 18 = 1 ten + 8 units. We cannot take 8 units from 3 units ; we therefore take one of the 5 tens and add it to the 3 units. 53 = 4 tens +13 units.... How We Subtract: A Little Chat with Teachers on Methods of Subtraction and ... - Page 36 by John Charles Stone - 1926 - 98 pages Full view -
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