Methods of Teaching Mental Arithmetic And Key to the Normal Mental Arithmetic
Methods of Teaching Mental Arithmetic And Key to the Normal Mental Arithmetic
Edward Brooks
The book Methods of Teaching Mental Arithmetic And Key to the Normal Mental Arithmetic was written by author Edward Brooks Here you can read free online of Methods of Teaching Mental Arithmetic And Key to the Normal Mental Arithmetic book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Methods of Teaching Mental Arithmetic And Key to the Normal Mental Arithmetic a good or bad book?
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If there are | as many sheep as hogs, | of the number of hogs equals the number of sheep ; and if chere are | as many cows as hogs, | of the number of hogs equals the number of cows, &c. 26. SOL. Since | of the length in the water equals the length in the mud, | of the length in the water, minus | of the length in the water, which is \ of the LESSON V. ] KET. 35 length in the water, equals 10 feet; | of the length in the water, which is the length in the mud = 3 times 10 feet, or 30 feet, and |... O f the length in the water = 4 X 10 = 40 feet, which is f of the length in the air, &c. LESSON V. 5. SUG. Before Reuben found $9, they had $15 $9 $36 ; hence each at first had 4 of $36, which is SIS. 8. SUG. They both lost 10 cents; hence before losing any they had 22 cents plus 10 cents, which are 32 cents, and each, therefore, found i of 32 cents, which is 16 cents. 11. SOL. By a condition of the problem, 3 times Harry's, plus 5 years, equals Harvey's age, which, added to Harry's age, equals 4 times Harry's, plus 5 years, which is 45 years.
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