# Mental Arithmetic, Or, First Lessons in Numbers for Children

J.C. Derby, 1846 - Arithmetic - 120 pages
0 Reviews
Reviews aren't verified, but Google checks for and removes fake content when it's identified

### What people are saying -Write a review

We haven't found any reviews in the usual places.

### Contents

 Section 1 2 Section 2 3 Section 3 5 Section 4 9
 Section 5 25 Section 6 56 Section 7 92

### Popular passages

Page 70 - Cardinal numbers: 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20...
Page 71 - ... four hundred five hundred six hundred seven hundred eight hundred...
Page 93 - Weight is used by apothecaries and physicians in compounding dry medicines. TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or § . 12 Ounces = 1 Pound, . . Ib., or ft,.
Page 67 - The dividend is the number to be divided. The divisor is the number by which we divide.
Page 94 - Wine Measure is used in measuring wine, alcohol, molasses, oil, and all other liquids except beer, ale, and milk. 4 gills (gi.) make 1 pint, marked pt, 2 pints " 1 quart, " qt. 4 quarts 31 J gallons 4'2 gallons 63 gallons, or 2 barrels " 1 gallon, '
Page 94 - A pile of wood 8 feet long, 4 feet wide, and 4 feet high, contains 1 cord; and a cord foot is 1 foot in length of such a pile.
Page 30 - ... 6. A man bought a quantity of butter for twelve dollars, but finding it damaged, sold it for five dollars less than he gave for it : for how much did he sell it ? 7.
Page 70 - ... 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty 21 twenty-one 22 twenty-two 23 twenty-three 24 twenty-four 25 twenty-five 26 twenty-six 27 twenty-seven 28 twenty-eight 29 twenty-nine 30 thirty 31 thirty-one 32 thirty-two 33 thirty-three 34 thirty-four 35 thirty-five 36 thirty-six 37 thirty-seven 38 thirty-eight 39 thirty-nine...
Page 95 - Jan Feb Mar Apr May Jun July Aug Sept Oct Nov Dec...
Page 76 - ... can 4 men do the same ? 13. If 9 men can do a piece of work in 8 days, how many men can do the same in 12 days? 14. If 4 men can do a piece of work in 6 days, in how many days can 3 men do twice as much work ? 15. A farmer sold 2 tons of hay at \$20 a ton, and for pay received 8 yards of cloth at \$4 a yard, and the rest in money ; how much money did he receive ? 16. If a man earns \$24 in 2 months, what will 2 men earn in 6 months ? 17.