MULTIPLICATION. 83. MULTIPLY 126.5 by 21; .0025 by 1.005. 89. Multiply 94.6085 by .732; 100.0005 what? 150.5.152 - what? = 90. Multiply 406.32 by .005; 18000.8 by .000001. 91. Multiply 81.729503 by 6.006; 60.005 by 6.0005. 92. Multiply 6192.468 by 73.21648; .9002 by 9002. 93. Multiply 735.2604 by 90.065; 127000 by .0127. 94. Multiply 52.168047 by 180.64; 19.011 by 10.301. 95. 613.217 × 25 = how many? .002.02 - what? 96. 81.9426 × 1.205 = how many? 1.3 × 1.0003 = what? 97. 5184.906 × 64 = how many? 98. 60.04 × 7.025 = how many? 99. .71298 × .0398 = how many? 100. 1.0005 × 6.721 = how many? 101. 6124 × .4983 how many? 102. 178.64501 × 61.75 = how many? 103. 4.80653 × 3200 = how many? 104. 80.60975 × 7.108 = how many? 105. 792.4681 × 6.4307 = how many? 106. 3057.968 × .7195 = how many? 810.001 × .081 = what? 107. Multiply one hundred, and twenty-five hundredths, by one and forty-eight hundredths. 11.1 × .00005 = what? .00005 × 500 = what? 17000.0017 = what? 5.05 x 110.3 = what? 1000 x .001 = what? .0003 × .0003 = what? 25.03 × 250.3 = what? 108. Multiply one thousand by six hundred and fifteen ten-thousandths. 109. Multiply one, and five ten-thousandths, by one hundred and five thousand, and seven hundred and seventy-four millionths. 110. Multiply one thousand hundredths by one hundred thousandths. 111. Multiply ten thousand by ten thousandths. DIVISION. 112. DIVIDE 10.515 by 1.5; 105.15 by .15. 113. Divide 604.4061 by 1.23; 60.44061 by 123. 114. Divide 7.1205 by 1.05; 115. Divide .69384 by 1.06; 116. Divide 273.291 by 6.15; .71205 by 10.5. 69.384 by .106. .273291 by 61.5. 117. Divide 709.851 by 60.231; 70985.1 by .60231. 118. Divide 860.402 by .1124; 86.0402 by .0424. 119. Divide 579975 by 1.515; 57.9975 by 151.5. 120. Divide 600 by .06; 600 by .00006. 121. Divide .17525 by .025; 17.525 by .2500. 122. Divide 62.5065 by 12.505; 62506.25 by .12505. 123. 712.648 ÷ 6.24 what? .712648 624 = what? = 124. .00625 .025 what? .625 ÷ 2.5 what? = 125. 24.6905 ÷ 16.005 what? 246.905 ÷ 1600.5 = what? = 126. 43.680907 ÷ 7.0913 what? 25.001.25001 what? 127. 204.60859 ÷ 50.63222 - what? 5000 ÷ .0005 what? 128. 30.75021.75 what? 307502.1 .75 = what? 129. .719856.009 = = = what? = 719.856.0009 = what? 130. 632.1904 ÷ 46.05 what? 63.21904 ÷ .4605 = what? 131. 4.31256 ÷ 1.23 = what? 431256.0123 what? 132. 869.87412÷ 31.401 = what? 7.007 ÷ 700.7 what? 133. 5.0505 ÷ 10.101 = what? 5050.5.10101 = what? 134. Divide six and twenty-five hundredths by two and five tenths. 135. Divide ninety and nine tenths by four and ninety-five hundredths. 136. Divide one hundred by three and one hundred and twenty-five thousandths. 137. Divide six hundred and twenty thousand and five hundred and twenty-five ten-thousandths by three and one hundred and twenty-five thousandths. 138. Divide six hundred and ten thousandths by six hun dred, and ten thousandths. 139. Divide one thousandth by one thousand. REDUCTION. CASE I. 140. EXPRESS 3.15 as a common fraction. 157. What part of $12 is $.625 ? 158. What part of a ton is 6.663 cwt.? 159. What common fraction does .12 equal? 160. Change .061 to a common fraction. 161. Change .074 to a common fraction. 162. Change .063 to a common fraction. 163. What common fraction equals .055? 164. What common fraction equals .375? 165. What common fraction equals .079? 166. What common fraction equals .6875? 167. What common fraction of a dollar is $.33} ? 168. Change 1.183 to an improper fraction. 169. Change 2.0061 to an improper fraction. 170. Change .0073 to a common fraction. 171. Change .0ğ to a common fraction. 172. Change 33.03 to an improper fraction. CASE II. 173. Express as a decimal. 174. Express 13 as a decimal. 13 175. Change, 18, 1, to decimals, and add them. 176. Express as a decimal. 177. Express 31 as a decimal. 178. Subtract from 54, and change the result to a decimal. 179. Express 346 as a decimal. 8000 180. Change 435 to a decimal. 2000 as a decimal. 181. Multiply by g, and change the result to a decimal. 182. Express 2 183. Express 30 as a decimal. what decimal? 187. Add 1, 4, and 3, and change the sum to a decimal. 188. Express as a decimal. 189. Change 15 to a decimal. 190. Change the difference between 1 and to a decimal. 191. Express as a decimal. 192. Express 18 as a decimal. 193. Multiply by g, and change the result to a decimal. 194. Express 44 as a decimal. 195. What decimal does 196. What decimal does equal? equal? 197. - what decimal? 198. Divide by and express the quotient as a decimal. 199. Express the sum of 3, 3, 3, and , and as a decimal. 200. Subtract 12 from 28%, and express the result as a decimal. 2569 201. Divide 1607 by 5511 in common fractions and in decimals, and show that the result is the same in both. 202. Change to the form of a decimal, and multiply it by .035. 203. The sum of three numbers is 183, and two of the numbers are 7 and 3.001; what is the other? DENOMINATE FRACTIONS. 1. REDUCE 17 360 CASE I. of a mile to the decimal of a rod. 2. Reduce 174 of a ton to the decimal of a pound, of a lb. to the decimal of a pwt. 3. Change 4. Change .006 of an acre to the decimal of a sq. 5. What decimal of a 3 is of a lb? 6. What decimal of a dime is 23% of an eagle? 7. Reduce 24 of a cord to the decimal of a cu. ft. rd 8. Reduce 9. Change of a day to the decimal of a minute. 10. Change of a gross to the decimal of a dozen. 11. What decimal of a yard is 6000 of a league? 12. What decimal of a pint is 1 of a bushel? 13. Reduce of a gallon to the decimal of a pint. 14. Reduce go of a sq. mi. to the decimal of a sq. rd. of a b to the decimal of a scruple. of a degree to the decimal of a second 15. Change 16. Change weight). of a lb. to the decimal of a grain (Troy 17. What decimal of an ounce is .000625 of a ton? 18. Change .0523 gallon to the decimal of a pint ? 19. Reduce .0025 bushel to the decimal of a pint. 20. What decimal of a second is 36000 of a day? 63 21. Reduce 1986 of a cu. yd. to the decimal of a cu. ft. 22. Change of a degree to the decimal of a second. 121 36000 23. What decimal of an inch is 17000 of a mile? 24. Change 25. Reduce 50 of a lb to the decimal of a drachm. 26. What decimal of a grain is of an ounce? (Troy 11 960 weight). |