Aliquot Parts of a Dollar Preparatory Exercises 1. How many cents are there (a) In $1? (b) In $1? 2. What part of a dollar is (a) 50¢? (b) 121? (c) 25 ¢ ? 3. At $1 each, find the cost (a) of 24 baseballs. (b) Of 36 baseballs. (c) Of 48 baseballs. (e) Of 88 baseballs. Written Exercises 1. Find the cost of 48 yards of cloth (a) at $2.25 per yard. (b) At $2.12 per yard. 2. Find answers (change the cents to fraction of a dol Preparatory Exercises 1. At 50 cents each, how many articles can be bought (a) for $1? (b) For $2? (c) For $3? (d) For $1? 2. At 25 cents each, how many baseballs can be bought (d) For $1?' (g) For $11? (a) for $1? (b) For $2? (c) For $3? (e) For $1? (ƒ) For $? (h) For $11⁄2? 3. At 12 cents per yard, how many yards can be bought (a) for $1? (b) For $2? (c) For $3? (d) For $1? (e) For $1? (f) For $13? (g) For $14? (h) For $14? 1. Give quotients : Sight Exercises a. $1)$25 6. $1)$21 c. $)$11 d. $1)$13 e. $1)$241 f. $1)$211 g. $})$11} Written Exercises h. $1)8111 1. At 12 cents per yard, how many yards can be bought (a) for $241? (b) For $373? (c) For $421 ? The quotient (a) of $241 by $ is 8 times 241. 2. At 8 yards for $1, how many yards can be bought for (a) $33? (b) $421? (c) $621? (d) $373 ? Bills Thomas J. Farrell has bought goods from Ryan and Taylor, from whom he receives the following bill : Copy this bill, dating it to-day, using your own name as purchaser, and inserting your address. Write in the first double column the amount of the separate items (extensions) and place the total (the footing) in the second double column, on the line below the last item. Assume that the bill is paid a few days later; receipt it as shown above. After the word per (which means "by"), write the initials of a classmate. 1. Make out and receipt bills for the foregoing articles, naming a local merchant as the seller and yourself as the purchaser. Write the extensions and the footings at once in their proper column, without using a separate sheet for the calculations. When only one article of a kind is bought, place its price only in the column of extensions. Do not employ "at" or other unnecessary words or signs. 2. Make out bills for the foregoing purchases at the prices prevailing in your local stores. Decimals- Two Places Preparatory Exercises 1. With what four pieces of money can you pay a bill of $11.11? 2. If you received $43.21 in 4+3+2+1 pieces of money, what is the value (a) of each of the 4 gold coins? (b) Of each of the 3 silver coins or paper bills? (c) Of each of the 2 silver coins? (d) Of the bronze piece? Writing Decimals Forty-three dollars and twenty-one cents is generally written $43.21, a period being used to separate the dollars from the cents. The mixed number 43 and 21 hundredths is written in the decimal form as 43.21, a period, called the decimal point, being used to separate 43 (the whole number) from 21 hundredths (the decimal). Three and seven tenths is written 3.7; forty-three hundredths is written .43; nine hundredths is written .09. Written Exercises Express in decimal form : (a) 43 and 7 tenths. (b) 23 hundredths. 6 hundredths. (d) 94 and 17 hundredths. 9 tenths. Reading Decimals (c) 8 and (e) 5 and In reading a mixed decimal, use and between the whole number and the decimal. Read a one-place decimal, such as .2, .3, etc., as tenths; a two-place decimal, such as .16, .07, etc., as hundredths. |