# Step 4

Difficulty 4

1. | Changing numbers 56 293 x 0.1, + 8 459, div. by 0.01 | |

2. | Changing numbers 8025 x 20, + 16 986, div. by 0.5 | |

3. | True/false mixed ops and decimals | |

4. | True/false mixed ops and decimals | |

5. | Double up and add 3.76 | |

6. | Hundredths crossing: Addition of numbers with 2 dp | |

7. | Hundredths crossing: Addition of numbers with 2 dp | |

8. | Hundredths crossing: Addition of numbers with 2 dp | |

9. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |

10. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |

11. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |

12. | Subtraction Chains: Subtractions with 2 dp | |

13. | Subtraction Chains: Subtractions with 2 dp | |

14. | Fractionally Different: Click all fractions greater than one-third | |

15. | Truth about fractions: Select the larger number 82/40 or 2.5 | |

16. | Select decimal number and percentage corresponding to a common fraction | |

17. | Truth about fractions: Click the smaller fraction 7/8 or 90% | |

18. | A taxing question: Determine which is the larger amount of tax paid | |

19. | Golden fleece: Calculate percentage discount | |

20. | Screen saver: Calculate percentage discount | |

21. | Size Wise: Click the largest fraction | |

22. | Size Wise: Click the largest fraction | |

23. | A long trip home: Calculate a total from a percentage | |

24. | A big bill: Calculate a total from a percentage | |

25. | Well-watered campers: Calculate a total from a percentage | |

26. | More or less fractions: Click the expression which is lesser in value | |

27. | Persistently Perusing Percentages: Write a percentage as a decimal number | |

28. | Persistently Perusing Percentages: Write a percentage as a decimal number | |

29. | A tasty sweetener: Calculate a percentage increase of a quantity or number | |

30. | Fancy pants: Calculate original price before discount | |

31. | Pocketing the savings: Calculate original price before discount. | |

32. | Falling Prices, Rising trade: Calculate original price given percentage discount | |

33. | Rock on: Calculate a discount as a percentage | |

34. | As time goes by : Calculate the first quantity given a final figure and percentage increase. | |

35. | Footy fever: Calculate a new price given the old price and percentage increase | |

36. | The bread and butter issue: Calculate a price difference as a percentage of one amount | |

37. | Blow your own trumpet: Calculate a price increase as a percentage of the former price | |

38. | You can bank on it: Calculate simple interest | |

39. | Interesting figures: Calculate simple interest | |

40. | Sum it up: Identify the correct calculation to solve a problem | |

41. | Sum it up: Identify the correct calculation to solve a problem | |

42. | Sum it up: Identify the correct calculation to solve a problem | |

43. | Sum it up: Identify the correct calculation to solve a problem | |

44. | Fearlessly fathoming fractions: Write 96% as a fraction in its lowest terms | |

45. | Percentage Wise: 90% of ?=3510 | |

46. | Percentage Wise: 560% of 12 litres=? | |

47. | Percentage Wise: Increase 320 by 80% | |

48. | Percentage Wise: Increase 4L by 1% | |

49. | Percentage Wise: Decrease 3L by 60% | |

50. | The truth about fractions: Select the larger fraction | |

51. | The truth about fractions: Select the smaller fraction | |

52. | More or less: Select the larger number 34% of 75or 5/7 of 85 | |

53. | More or less: Select the larger number 82% of 40 or 5/4 of 25 | |

54. | More or less: Select the larger fraction 5 out of 16 or 8/25 | |

55. | You can bank on it: Compare interest rates from capital and dividend figures | |

56. | Buttering up the customers: Price comparison | |

57. | Fast shoe shuffle: Calculate prices using percentage increase and decrease | |

58. | Detective Duck | |

59. | Detective Duck | |

60. | Detective Duck | |

61. | Detective Duck: Addition, subtraction of fractions | |

62. | Swordfish Pasta : Increasing ratios in cooking | |

63. | Bean-speak!: Calculate relative proportions of red jelly beans | |

64. | Under the umbrella: Click the lower proportion | |

65. | Singing a scale: Calculate numbers from a ratio | |

66. | A policeman's lot: Write a number as a proportion of another number | |

67. | Scales to scale: Describe the relationship between two measurements | |

68. | Charlotte counts coffees: Write numbers in a ratio relationship | |

69. | Cellular population: Write numbers in a ratio relationship | |

70. | Legal scale: Investigate proportional relationships | |

71. | Music by scale: Identify proportional relationships | |

72. | Music by scale: Investigate proportional relationships | |

73. | Dig for the food facts: Investigate proportional relationships | |

74. | Building to scale: Identify proportional relationships | |

75. | Painting to scale: Investigate proportional relationships | |

76. | Tiling to scale: Investigate proportional relationships | |

77. | Ball Park Figures: Investigate proportional relationships | |

78. | Shoot for the stars: Investigate ratio | |

79. | Triangular numbers: Calculate lengths using triangle ratios | |

80. | Triangular numbers: Calculate lengths using triangle ratios | |

81. | Triangular numbers: Calculate lengths using triangle ratios | |

82. | Triangular numbers: Calculate lengths using triangle ratios | |

83. | Triangular numbers: Calculate lengths using triangle ratios | |

84. | Brain scale: Divide a sum of money in a given ratio | |

85. | Industrial relations: Calculate a sum of money in a given proportion | |

86. | Industrial relations: Calculate a new pay rate in proportion to the previous rate | |

87. | Patti's Party Punch: Calculate quantities by ratio | |

88. | Patti's Apple Crumble: Calculate quantities by ratio | |

89. | Be a sport!: Determine which is the larger proportion | |

90. | Fair Dinkum ratios: Write quantities in ratio form | |

91. | Charity knocks: Write quantities in ratio form | |

92. | Charity knocks: Write quantities in ratio form | |

93. | Scales of justice: Divide a sum of money in a given ratio | |

94. | Charity knocks: Write measurements in ratio form | |

95. | Fallling Scale: Express a quantity as a proportion of another quantity | |

96. | WonderLand Maths: Ratio calculations | |

97. | Run to scale: Calculate a distance from a ratio | |

98. | Mixing by scale: Calculate quantities from a given percentage | |

99. | ScreamWorld: Calculate numbers from ratios and percentages | |

100. | Pies and Fries: Calculate a quantity from a ratio | |

101. | WonderLand Maths: Ratio calculations | |

102. | WonderLand Maths: Ratio calculations | |

103. | WonderLand Maths: Ratio calculations | |

104. | WonderLand Maths: Ratio calculations | |

105. | WonderLand Maths: Ratio calculations | |

106. | Gone to pot: Calculate using ratios | |

107. | Chocolate disaster: Divide a quantity according to a given ratio | |

108. | WonderLand Maths: Ratio calculations | |

109. | WonderLand Maths: Ratio calculations | |

110. | WonderLand Maths: Ratio calculations | |

111. | Liquid display: Write three volumes as a ratio | |

112. | Length wise: Write two measurements as a ratio | |

113. | Massive ratios: Write two weights as a ratio | |

114. | Fluid mechanics: Write two volumes as a ratio | |

115. | Population Proportions: Investigate proportional relationships | |

116. | Ancient Scale: Investigate proportional relationships | |

117. | Don't Hurry, Be Happy: Calculate speed from distance and time | |

118. | Starfish scramble: Calculate speed from distance and time | |

119. | Building blocks: Investigate proportional relationships | |

120. | A problem of geometric proportions: Investigate relationship between perimeter and area of rectangle | |

121. | Triangular numbers: Investigate triangle ratios | |

122. | Triangular numbers: Investigate triangle ratios | |

123. | Trinagular numbers: Investigate triangle ratios | |

124. | Trinagular numbers: Investigate triangle ratios | |

125. | Apres moi le deluge: Calculate rainfall from rate of precipitation | |

126. | Apres moi le deluge: Calculate rainfall from rate of precipitation | |

127. | Gauging the Rainfall: Investigate ratio and proportion | |

128. | Finishing the fence: Calculate time taken from rate of work | |

129. | Finishing the fence: Calculate time taken from rate of work | |

130. | Powering Down: Calculate cost from ratios | |

131. | Counting Beans: Calculate proportions from a given ratio | |

132. | Budding Buddies: Calculate from ratios | |

133. | Food Rationing: Calculate quantities from ratios | |

134. | Gold Index: Calculate cost from ratios | |

135. | Coffee Calculations: Calculate quanitites from ratios | |

136. | Mouse multiplication: Express relationships between quantities as a ratio | |

137. | Swim in the fast lane: Calculate speed from a ratio | |

138. | Theories of Relativity: Express relationships as a ratio in its simplest form | |

139. | Theories of Relativity: Calculate amounts from a ratio | |

140. | Theories of Relativity: Calculate amounts from a ratio | |

141. | Theories of Relativity: Calculate amounts from a ratio | |

142. | Map Maths: Interpret map scale and write distances as a ratio | |

143. | Cup Fever: Express relationships between quantities as a ratio | |

144. | Off The Scale: Calculate new temperature given a rate of change. | |

145. | Just Deserts: Calculate rainfall from a ratio | |

146. | Figuring the Fences: Investigate relationship between perimeter and area | |

147. | It never rains...: Calculate rainfall from a ratio | |

148. | Boat rations: Calculate with reference to man-days of work | |

149. | Running to scale: Express a relationship between two numbers as a ratio | |

150. | Tackling the heights: Calculate a dimension from a scale model | |

151. | Where There's A Will: Express a relationship between quantities as a ratio | |

152. | Food for thought: Calculate quantities from a ratio | |

153. | Patti's Lemon Custard Pudding: Write quantities in ratio form | |

154. | Patti's Apple Crumble: Write quantities in ratio form | |

155. | Patti's Omelette: Write quantities in ratio form | |

156. | Patti's Strawberry Sauce: Write quantities in ratio form | |

157. | Patti's Steamed Fruit Pudding: Write quantities in ratio form | |

158. | Patti's Tuna Pie: Write quantities in ratio form | |

159. | Patti's Lasagne: Write quantities in ratio form | |

160. | Patti's Patty Cakes: Write quantities in ratio form | |

161. | Patti's Party Punch: Write quantities in ratio form | |

162. | Circular Logic: How many arc-seconds in a circle? | |

163. | Detective Duck: Write a fraction as a percentage | |

164. | Detective Duck: Write a fraction as a percentage | |

165. | Detective Duck: Write a fraction as a percentage | |

166. | Detective Duck: Write a fraction as a percentage | |

167. | Detective Duck: Write a fraction as a percentage | |

168. | Detective Duck: Write a fraction as a percentage | |

169. | Detective Duck: Write a fraction as a percentage | |

170. | Detective Duck: Calculate numbers from percentages | |

171. | Detective Duck: Write a fraction as a percentage | |

172. | Detective Duck: Write a fraction as a percentage | |

173. | Detective Duck: Solve a fractional number pattern | |

174. | Detective Duck: Write one number as a fraction of another | |

175. | Detective Duck: Write the fraction halfway between two other fractions | |

176. | Up and Up: 466.5+577.6=? | |

177. | Fraction Quest: Click the larger number 33/10 or 3.2 | |

178. | Gone to pot: Calculate using ratios | |

179. | Gone to pot: Calculate using ratios | |

180. | Boat rations: Calculate with reference to man-days of work | |

181. | Boat rations: Calculate with reference to man-days of work | |

182. | Where There's A Will: Express a relationship between quantities as a ratio (1) |