Efficiency Arithmetic: Primary, Book 1

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Atkinson, Mentzer, 1917 - Arithmetic - 280 pages
"Furnishes a large amount of well selected drill material"--Preface
 

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Page 280 - Measure. 60 seconds (sec.) 1 minute (min.) 60 minutes 1 hour (hr.) 24 hours 1 day (da.) 7 days 1 week (wk.) 365 days 1 common year (yr.) 366 days 1 leap year Years divisible by 4 and not by 100 are leap years.
Page 280 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Page 280 - TROY WEIGHT. 24 grains (gr.) 1 pennyweight (pwt.) 20 pennyweights, 1 ounce (oz.) 12 ounces ... 1 pound (Ib.) Troy weight is used in weighing gold, silver, precious stones, etc. APOTHECARIES
Page 280 - Liquid Measure 60 minims (m.) =1 fluid dram (3) 8 fluid drams = 1 fluid ounce (5) 16
Page 183 - If there are seven days in a week, how many days are there in nine weeks?
Page 280 - Measure 4 gills = 1 pint (pt.) 2 pints =1 quart (qt.) 4 quarts = 1 gallon (gal.) 31 i gallons = 1 barrel (bbl.) 63 gallons =1 hogshead (hhd.) Avoirdupois Weight 16 ounces (oz.) = 1 pound (Ib.) 100 pounds =1 hundredweight (cwt.) 2000 pounds =1 ton (T.) One pound Avoirdupois =7000 grains. Troy Weight 24 grains (gr.) = 1 pennyweight ....(pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces =1 pound (Ib.) One Pound Troy =5760 grains. Apothecaries...
Page 59 - There are 7 days in a week ; how many days are there in 5 weeks ? 14.
Page 75 - Measure. 4 gills = 1 pint. 2 pints = 1 quart. 2 pints = 1 quart. 8 quarts = 1 peck. 4 quarts =1 gallon. 4 pecks =1 bushel.
Page 104 - I find this by counting^ or by adding, for 8 + 8 + 8 = . 4.1 of 24= . ¿.of 24= . is ¿of 24. 5. 4x8 = , for 8 + 8 + 8 + 8- . 6. 32 + 8 = . l of 32 = . 32 + 4 = . 7. 5 x 8 is more than 4 x 8, or , so...
Page 104 - There are 3 feet in a yard. How many feet are there in 8.

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