Efficiency Arithmetic: Intermediate

Charles Ernest Chadsey

Mentzer, Bush, 1920 - 282 σελίδες

Περιεχόμενα

• PART 1FIFTH YEAR: 2
• REVIEW OF FUNDAMENTALS: 6
• NUMERALS 5 ADDING BY ENDINGS 6 EXPLANATION OF ADDITION: 9
• EXPLANATION OF SUBTRACTION 12 EXPLANATION OF MULTIPLICATION: 20
• 33 PLAYGROUNDS: 43
• MULTIPLES: 52
• EQUIVALENTS 65 CHANGING TO HIGHER TERMS 67 SUBTRACTION: 99
• SUBTRACTION OF DECIMALS 113 MULTIPLICATION OF DECIMALS 114: 114
• DIVISION OF DECIMALS 118 APPLIED PROBLEMS 1234 SCHOOL PROJECTS: 130
• WEIGHTS AND MEASURES138156: 138
• SQUARE MEASURE 143 AREAS OF RECTANGLES 145 MEASURES: 193
• DENOMINATE NUMBERS211236: 211
• MEASURE 213 COUNTING BY DOZENS 218 PAPER MEASURE 219: 219
• PRACTICAL MEASUREMENTS237265: 237
• ANGLES AND RECTANGLES 237 PARALLELOGRAMS 240 TRAPEZOIDS 243: 243
• TRIANGLES 245 LUMBER MEASURE 250 CARPENTERING PROBLEMS 252: 252
• SHOP PROBLEMS 253 MEASURING LAND 254 GARDENING 256 SCALE: 263
• CHAPTER I: 266
• EQUIVALENT PER CENTS OF FRACTIONS 270 FRACTIONAL EQUIVALENTS: 285
• earned during the summer vacation They kept an account: 290
• ACCOUNTS 293 ORDERING GROCERIES 294 ECONOMY IN BUYING 297: 297
• 304 PROFIT FROM POULTRY 305 HOME CANNING PAYS 306 SILAGE 307: 307

Δημοφιλή αποσπάσματα

Σελίδα 51 - A number is divisible by 3 if the sum of its digits is divisible by 3• A number is divisible by 9 if the sum of its digits is divisible by 9.

Σελίδα 62 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.

Σελίδα 220 - Thirty days hath September, April, June, and November; All the rest have thirty-one, Except February alone, Which hath but twenty-eight in fine, Till leap year gives it twenty-nine.

Σελίδα 220 - TIME 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...

Σελίδα 63 - We have seen in the preceding exercise that we may divide both the numerator and the denominator of a fraction by the same number without changing the value of the fraction.

Σελίδα 150 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...

Σελίδα 20 - Exercise 7 by 4; by 5; by 6; by 7; by 8; by 9; by 10.

Σελίδα 115 - In multiplication of decimals, we know that the number of decimal places in the product is equal to the sum of those in both the factors.

Σελίδα 241 - ... height Think of this formula as the average of the bases (the two parallel sides) times the height (the length of the perpendicular altitude). In the trapezoid ABCD above, you can use side AB for the height. The average of the bases is 2 + 14 = 8 , so the area is 8 X 5, or 40.

Σελίδα 143 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq.

Πληροφορίες βιβλιογραφίας

• Τίτλος: Efficiency Arithmetic: Intermediate; Τόμος 2 του Efficiency Arithmetic, Charles Ernest Chadsey
• Συγγραφέας: Charles Ernest Chadsey
• Εκδότης: Mentzer, Bush, 1920
• Πρωτότυπο από: το Πανεπιστήμιο της Καλιφόρνια
• Ψηφιοποιήθηκε στις: 17 Νοεμ. 2007
• Μέγεθος: 282 σελίδες