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Pig Clubs

1. Arthur was a member of a pig club. His pig gained an average of 2.4 lb. a day for 54 da. Find the total gain in weight.

2. Arthur's pig when bought weighed 73.4 lb. and cost $12. The cost of feeding was 10 for each pound gained. What was the total profit when the live pig sold at 15 a pound? 3. Frank's pig for 54 days gained 2.25 lb. a day. How much less was its total gain than that of Arthur's pig?

4. Frank's pig when bought weighed 60.5 lb. and cost $10. The cost of feeding the pig was 8¢ a pound for each pound gained. Find the total profit when the live pig sold at 15 a pound.

5. When Mary's pig was 10 wk. old it weighed 29 lb. When it was 11 mo. old it weighed 450 lb. Find to thousandths the average daily gain in weight for the 264 days.

6. Philip's pig weighed 40 lb. and cost $8. It gained 1.6 lb. a day for 95 da., at a cost of 7 gained. The live pig sold at 16

a pound.

for each pound

Find the profit.

7. Clara's pig gained 185 lb. If the cost of the feed was $9.25, what was its cost per pound of gain?

8. A pig-club boy and his father raised pigs from the same litter. The boy's pig, at an expense of $15.60, gained 520 lb. and was sold for $62.40. The father's pig, at an expense of $5.20, gained 65 lb. and was sold for $7.80. Find the expense of each pig for each pound gained. Find also how much greater the boy's profit was than the father's.

Time yourself in these exercises. Use short methods.
Count any part of a cent as an additional cent.

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Find how long it takes you to get the right answers to each set of five examples.

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Abstract number, 188, 236
Addend, 230.

INDEX

Addition, 12-16, 18, 20-23, 26, 29, 30,
35, 36, 55-57, 83, 84, 128-131,
230-232, 313, 314.

Aliquot parts, 303-305.

Amount, 230.

Area, 110.

Average, 194.

Bills, 352-354.

Cancellation, 292, 325, 326.

Cash account, 235.

Common denominator, 266.

Common fractions, 245–302, 321-327.

Concrete number, 188, 236.

Contents, 214.

Counting, 28.

Cubic measures, 214, 215.

Decimal point, 65, 227, 331.
Decimals, 331–346.

addition, 335, 336.

decimal parts of one dollar, 331.
division, 342-344.

multiplication, 339-341.

reading and writing, 333.

reduction, 334.

reduction of common fractions to,

345, 346.

subtraction, 337, 338.

Denominate number, 306.

Denominator, 246.

Difference, 62, 233.

Estimating results, 143, 218, 328, 357.
Everyday measurements, 306–309.
Everyday use of numbers, 25, 34, 58,
61, 64, 68, 85, 89, 93, 95, 101, 111,
121, 136, 142, 143, 193, 203, 293,
302, 319, 320.

At the Fruit Store, 356.
Boy Scouts, 310.
Buying Groceries, 201.
Daily Marketing, 355.
Four H Clubs, 363.
Girl Scouts, 311.
Helen's May Party, 50.
Household Purchases, 186.
Household Supplies, 208.
In the Schoolroom, 194.
In the Toy Store, 25.
In the Trolley Car, 187.
Keeping a Cash Account, 235.
Little Carpenters, 198.

Measuring Heat, 127.

On the Farm, 209.

Peter and Polly's Country Walk, 86.
Pig Clubs, 364.

Robert's School Garden, 122.

Saving Food and Fuel, 219.

Saving Money for Thrift Stamps, 79.
School Savings Banks, 242.
Taking Photographs, 200.
The Cooking Class, 199.
The Junior Red Cross, 178.

Factors, 236, 243, 244.

Distance, measures of, 106, 107, 167- Fourths, 40, 43, 69, 176, 177, 191.

169, 211, 347, 348.

Dividend, 160, 239.

Division, 44-48, 72-74, 78, 94, 95, 97,

99, 115, 117, 120, 145, 148, 149,
153, 154, 159-166, 197, 202, 204,
207, 239-241, 318.

Divisor, 160, 239.
Dozen, 29.

Dry measures, 102.

Eighths, 176, 177, 192.

Equivalent fractions, 247.

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Minus, 13.

Mixed decimal, 335.

Mixed number, 247.

Money, United States, 49, 65, 137-141,
185, 202, 210, 227, 228.

Multiple, 243.
Multiplicand, 155, 236.
Multiplication, 33, 37, 45, 46, 48, 66,
67, 76, 77, 96, 98, 114, 116, 118,
119, 144, 146, 147, 150-152, 155
158, 185, 188, 196, 236-238, 317.
Multiplier, 155, 236.

Number games, 21, 23, 28, 30, 36, 46,
48, 75, 179, 313.

Numerator, 246.

Oblong, 42.

Partition, 207, 239.

Parts of numbers, 195.

Receipts, 352–354.

Remainder, in division, 97, 239.

in subtraction, 62, 233.

Roman numbers, 38, 39, 228, 229.

Scale drawing, 70, 349–351.

Short division, 72-74, 78, 94, 95, 97,
99, 115, 117, 120, 148, 149, 153,
154, 159, 197, 202, 204, 207, 239-
241, 318.

Short methods, 328–330, 357, 358.
Similar fractions, 266.

Solving problems, 216-218, 328-330,

357-362.

Speed tests, 26, 51, 52, 57, 80, 100, 123,
124, 134, 165, 179, 180, 183, 184,
205, 206, 220-224, 282, 312, 365,
366.

Square, 42.

Square measures, 108, 109, 170, 171.
Subtraction, 13-16, 18, 20-23, 26, 29,

35, 36, 59-63, 87, 88, 90-92, 132-
135, 233, 234, 315, 316,

Subtrahend, 62, 233.
Sum, 15, 56, 230.

Surface measures, 108, 109, 170, 171,
212.

Tables for reference (inside of back
cover).

Terms of a fraction, 246.

Testing results, 83, 88, 90, 91, 94, 128,
149, 160, 163, 165, 230, 233, 237,
240, 335, 357.

Thermometer, 127.

Thirds, 19, 43, 69, 71, 190.

Time, measures of, 38, 39, 112, 113,

172, 173.

Triangle, 42.

Unit, 246.

Parts of one dollar, 210, 303-305, 331. United States money, 49, 65, 137–141,

Parts of one hundred, 303-305.

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185, 202, 210, 227, 228.

Volumes, 214, 215.

Weight measures, 104, 105, 174, 175.
Writing numbers, 11, 24, 27, 53, 54,
81, 82, 125, 126, 181, 182, 225,
226.

81, 82, 125, 126, 181, 182, 225, 226. Zero, 16, 27.

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