Numbers Step by Step: An Elementary Arithmetic

Εξώφυλλο
O.P. Barnes, 1913 - 364 σελίδες
 

Περιεχόμενα

Reading and writing numbers to 600
48
a Adding large numbers using exponents
52
b Subtracting large numbers without carrying
53
Comparison of numbers
56
Counting pecks and bushels
61
Counting ounces and pounds
64
Counting years and months
68
Counting weeks and days
73
CHAPTER II
76
Transformation of function
80
Counting inches feet and yards
84
Carrying in subtraction
89
Two times and times two
94
An unstated condition in multiplying a natural plurality
98
Three times and times three
102
Four times and times four
105
To multiply when the multiplicand is larger than 12
109
An unstated condition in the measurement of natural plurality
112
LESSON PAGE 26 Five times and times five
115
To read and write numbers of two periods
118
How to memorize dry measure
121
To solve a problem requiring an operation in addition and another in subtraction
124
Six times and times six
127
CHAPTER III
130
To memorize liquid measure and the table of weight
133
Seven times and times seven
137
Inexact division by 3
140
To read and write numbers of three periods
143
How to study time measure
146
Eight times and times eight
151
How to solve a concrete problem requiring an operation in addi tion or subtraction and another operation in multiplication
154
Nine times and times nine
157
How to multiply with more than one figure in the multiplier
160
Inexact division
163
Ten times and times ten
166
Eleven times and times eleven
169
Twelve times and times twelve
172
Linear measure memorized
175
CHAPTER IV
179
Short division partition
183
Short division measurement
185
Concrete problems in short division
187
Reading and writing U S money
190
Adding and subtracting U S money
193
To multiply a sum of money by any number
196
a To divide a sum of money into equal parts
199
How to solve a concrete problem requiring two operations one of them division
202
Thirds developed objectively
232
Fourths developed objectively
235
The second difficulty in long division
238
How to explain a concrete problem in partition
241
Sixths developed objectively
244
Ninths developed objectively
248
How to explain a concrete problem in multiplication
251
The third difficulty in long division
255
Twelfths developed objectively
259
Objective reduction of fractions to higher terms
262
Objective reduction of fractions to lower terms
265
How to explain a concrete problem in measurement
268
Long division with three figures in the divisor
272
CHAPTER VI
275
Objective subtraction of fractions
278
Objective multiplication of fractions
280
Objective division of fractions
283
To reduce a mixed number to an improper fraction by com putation
286
To reduce an improper fraction to a whole or mixed number by computation
289
To reduce a fraction to higher terms by computation
291
To reduce a fraction to its lowest terms by computation
294
To find the area of a rectangle
296
To add fractions by computation
299
To add mixed numbers by computation
302
To draw a triangle and find its perimeter
305
LESSON PAGE 88 To subtract fractions by computation
308
a To subtract one mixed number from another without carry ing b To subtract one mixed number from another when carrying
310
To multiply a fraction by a fraction
313
CHAPTER VII
316
b When the multiplier is mixed
317
To multiply when both factors are mixed
319
Division of fractions a When the dividend and divisor are both fractions
321
The diagonals of a rectangle
325
The rightangled triangle
328
Decimal fractions Addition and Subtraction of Decimals
333
To multiply when one or both factors have decimals
336
Division of decimals
338
Bills and Accounts
343
Reduction of denominate numbers
347
Addition and subtraction of denominate numbers
349
Multiplication and division of denominate numbers
352
Problems
354
Problems
356
Problems
357
Tables and Forms 359364
359
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Σελίδα 148 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Σελίδα 16 - Monday's child is fair of face, Tuesday's child is full of grace, Wednesday's child is full of woe, Thursday's child has far to go, Friday's child is loving and giving, Saturday's child works hard for its living. And a child that is born on the Sabbath day Is fair and wise and good and gay.
Σελίδα 69 - January April July October February May August November March June September December Every month in the universal calendar has 26 working days.
Σελίδα 147 - January 31, February 28, March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, December 31.
Σελίδα 336 - Multiply as in whole numbers, and point off in the product as many decimal places as there are in both factors.
Σελίδα 359 - OF SURFACE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30.25 square yards = 1 square rod (sq.
Σελίδα 203 - When the divisor and dividend are of the same name or kind, what do we do ? Ans. Find how many times the dividend contains the divisor.
Σελίδα 72 - ... paying 25 cents for a ticket to a circus and 10 cents for some popcorn ? 5. A girl read 54 pages of a book on Saturday and 25 pages on Sunday. The book contained 102 pages. How many more pages has she to read to finish the book ? 6. Mary picked 16 quarts of berries on Monday, 25 quarts on Tuesday, 17 quarts on Wednesday, and 8 quarts on Thursday. How many quarts did she pick in all ? 7. At 30 cents each, how much will 2 readers cost ? 89. Written Exercises. a 544 289 364 613 707 829 b 737 446...
Σελίδα 325 - Draw a line from the upper left corner to the lower right corner.
Σελίδα 291 - Then in expressing a fraction or a fractional number, we must express the unit of the fraction, the number of equal parts into which the unit of the fraction is divided, and the number of fractional units taken. To...

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