Mental Arithmetic Simplified |
Τι λένε οι χρήστες - Σύνταξη κριτικής
Δεν εντοπίσαμε κριτικές στις συνήθεις τοποθεσίες.
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
answer appeared Appendix black board boys BROOKE bushels calculating called Children clear cost Demonstration Demonstration.—Taking denominator ditto DONCASTER dozen equal to dividing equal to multiplying Example.-One examples exceedingly faculties farthings as shillings find the interest find the value formed fraction gallons give given greater gross half hundreds knowledge learned less than unity lines manner Measure MENTAL ARITHMETIC mind months multiplying by 48 Note number of articles number of pence number of shillings offer Omitting Sundays ounce particularly pence as shillings penny pounds principles published pupils putting questions quotient rate per cent RULE.—Take rules sack score senses shillings is equal stone Subtraction sum of money tables teaching twice unit figure week Weight whole number yards
Δημοφιλή αποσπάσματα
Σελίδα 1 - RULE. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.
Σελίδα 37 - DIVISIONS OF THE CIRCLE. 60 Seconds = 1 Minute. 60 Minutes = 1 Degree. 30 Degrees = 1 Sign. 90 Degrees = 1 Quadrant. 360 Degrees, or 12 Signs = 1 Circumference. Formerly the subdivisions were carried on by sixties ; thus, the second was divided into 60 thirds, the third into 60 fourths, &c.
Σελίδα 11 - To find the value of 100 articles, the price of one being given. RULE. — For every farthing in the price take as many pence, and twice as many shillings. Thus, 100 pencils at 1-Jd. each is 12«.
Σελίδα 32 - To find the interest of any sum of money at any rate per cent, for any given time. Ex. 1. What is the interest of $ 26.25 for 2 years, 4 months, at 7 per cent.
Σελίδα 37 - Thirty days hath September, April, June, and November, February hath twenty-eight alone, and all the rest hath thirty and one.
Σελίδα 37 - Weight. 16 drams — 1 ounce. 16 ounces = 1 pound. 14 pounds = 1 stone.
Σελίδα 37 - LENGTH. 12 inches = 1 foot 3 feet = 1 yard 5| yards = 1 pole or perch 40 poles =• 1 furlong 8 furlongs = 1 mile 3 miles = 1 league...
Σελίδα 29 - Prove one of the following rules of mental arithmetic in such a way as to make it intelligible to a class of children. 1. To find the value of 144 things in shillings, multiply the price in farthings by 3. 2. To find the interest of any sum of money for any number of months at any rate per cent., count one penny for each £10 in the principal, then multiply by the number of months and by double the rate per cent.
Σελίδα 37 - Apothecaries' system 20 grains 1 scruple 3 scruples 1 drachm 8 drachms 1 ounce 12 ounces 1 pound...
Σελίδα 37 - Sq. Yards = 1 Perch or Rod 40 Perches = 1 Rood 4 Roods = 1 Acre 640 Acres = 1 Sq. Mile 3. MEASURES OF SOLIDITY AND CAPACITY. DIVISION I — SOLIDITY. 1728 Cubic Inches = 1 Cubic Foot 27 Cubic Feet = 1 Cubic Yard DIVISION IL — CAPACITY.