[img]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAfMAAAAyCAYAAABIzDLuAAAPMUlEQVR4Ae2dCVRV1RrHr6AgTijiCJiWJSIYGpQzLzXNHDOnnMUZRVFBy1RE08qcAXtpNjgEVkZq6aunZas00UTB1GRyPZVJReTKsFwp31vfrnsXyDlw7r3neL3y32uddc/d47d/53znf6a9j44QQAAEQAAEQAAEbJqAzqath/EgAAIgAAIgAAJkVTGP2b2bxo0eQ2NGjSqzjBo+gqYGTsbmAQEQsAKBkOBgGj9mbBmfZB99bcir9OGWD6xgEZoEgceTQFpqKrHeSenggH6vUGZGhuKOW1XMp06eTPWcatHCBaE0e2aQcQmaPoPC5i9Q3AlkBAEQUI+ASz1n6uTnT/NDQow+yf7J/rrzsx3qNYSaQKCKE/j+0CHS6XQ0cdwEmjN7dhl/mzB2HOVkZysmZFUxH9x/APl6eys2FhlBAAS0J8AHly3R0do3hBZAoIoT+PSTT6i2gyMVFxVZTMKqYt69cxfq06uXxZ1ABSAAAuoQKLhTIK4UPt+1S50KUQsIgIAsgXdWraJGDVyosLBQNo/SBKuKebs2nvT6iJFKbUU+EAABjQkkX7okxPw/Bw9p3BKqBwEQCA6aRS2auxOVWM7CqmL+hJs7vblwkeW9QA0gAAKqEDgZHy/EPCU5WZX6UAkIgIA8gbGvjyZvT0/5DCakWE3Mi4qKyKl6DerZI4D69OpN3p5tycerHU0LnExHf/zJhC4gKwiAgFoE9sTECjHn0SQ+bb3E4tehI60IX063cm+p1QzqAQEQIKJO/v7k0aw58ctuXm08hQ4OGTSYPv34E5P5WE3M2dK3V6wUr+T/e8sHtO3DrfTOqtXk59tBHExGDB1mcmdQAARAwDICubm5FDhhIs2ZHUzbtm6l7du20YKQeeRa30X45Y5PP7OsAZQGARAwEvgmLo5GjxwltI81MGpzJL06cJDwtZbuHqTX5xvzVrZiVTGXM27F8gjRmc0bN8llQTwIgMBDJtD1hU7kYGdPGdeuPeSW0RwIVC0Cx48do1oOjtSjSxfFHX8kxZyt5zf8Ovs/r7gjyAgCIKAtgYSE02Sv09HaNe9r2xBqBwEQoKmBgeLkOf/2bUU0Hlkx7xnwL3q61VOKOoFMIAAC2hPIz9eLMbGLwkK1bwwtgEAVJ8B3pmtUs6PklBRFJB5ZMW/fzpt8vX0UdQKZQAAEtCeQcS2DHO3saWVEhPaNoQUQqOIEIpaFUw2dHWVlZSki8UiKeU5OjnhmvmTxW4o6gUwgAALaE1jz7rvCL88lJWnfGFoAgSpOgEd4tXmqtWIKVhPzfXFxtHPHTiooKChjbMLp0+TWpCm1aN6c7t69WyYNf0AABLQlsHzZMjoZf5JKSsrOYhEdGSmEfNyYMdoagNpBoIoQuJyeTjwDXPYD86/n5eVR314vCX/77fhxxTSsJua7duwQxtZ2rEnuQrzdqIlLQxHHY8+Li4oVdwIZQQAE1CHQs0cP4YMN6tajFs3cqEVzN3KuXUfEhS9Zqk4jqAUEQIAyMzOFX1XX6ahJQ1fha3wha6fTibHnJ377zSRKVhNzg5Vnzpwh/hTqnpgYOrB/P0TcAAa/IGAlAnq9nn74/nuKjYmhmN2f04kTJ6xkCZoFgcefQHpaOn0Ru4f2xMaKJS0tzaxOW13MzbIahUAABEAABEAABIwEIOZGFFgBARAAARAAAdskADG3ze0Gq0EABEAABEDASABibkSBFRAAARAAARCwTQIQc9vcbrAaBEAABEAABIwEIOZGFFgBARAAARAAAdskADG3ze0Gq0EABEAABEDASABibkSBFRAAARAAARCwTQIQc9vcbrAaBEAABEAABIwErC7mFy5coJd69hLT2ul0Omrv5U1xe/caDVR75a03F4u23nvnXUVVB88MMtrG9sktH2/frqg+ZAIBSwhkZmTQ0EGDjfvhM62eIi33vY3r14u2ZkybrsjsmvbVjbZJ+YqDnb1IL6Gyc78rqhyZQMBEAvn5+TRpwgQxRSrvj26NmxLv01qFV/q8LPZvpXOqt3umTYX+Ul1XTaQrmRXOqmJ+7NgxYWhA1250Mj6eLpw/T/PmzhVxG9dvUJX3vfv3qHuXrlTPqRY1dK5P0ZFRiurng2dCQgIlJSaWW3ii/MWL3iAG/t8fflBUHzKBgLkEUlNTyamGA3m39aJff/mFUlJSKHzpUuEvIcFzzK1WttyQgYPI0a46NXVtRIvCFsrmK53AX1RLPHu2nK+w//DXEDt4+1D9OnVLF8E6CGhC4I5eTy71nKl54yb04+EjlJKcQpGbNgl/GTp4iKptsm+28mhBjV0aUl2nWsQfDFMSki9dorNnzkj6S2ZGJvXr05fqONak6znXK63OqmLOn3fzaetVzsjwpcvIXqejq1eulEszJ+Lnoz8LwE+4u1NSYhLVrF5DsZhX1h6fWXk0a15ZNqSDgMUEOvn5iwPTgxVt/+gjcYD6/dSpB5PM+s8+wgdA/tjKqfh48cGVsAWhZtVVutCV/10Rdi4Mtbyu0vViHQSkCLBg8z5cVFhYJpkvvPgq/cC+fWXizf2zJSpK1BfQrTv9eOSIWFcq5hW1qdffER85GjlsWEXZjGlWE/Pjx4+LTu/96iujMaVXGPayt5aUjjJ7ffqUqdQr4EVR/nZeHlXT6VQR8/379ok+bNu61WzbUBAElBDIyMgQ+9qGdesks7s616fxY8ZKppka+faKldTe65+T7BISd7IWhoaZWk25/MOHviauMrIyM8ulIQIE1CRQXFxEDtXsaG5wsGS1z7bzph5du0mmmRrZof2zNG/OXFHs0MGDqon5wgWh4vEA3+lSEqwm5qtXrRKdzs29JWnns94+1NnPXzLNksjsrCwBSOlt9ora4o3YuEFDunf/fkXZkAYCFhPYvXOn8Bf+yqBU6N+vH/Hzc7VDwZ0CVcT8xo0bVLemE/GtewQQ0JrA0aM/CX/ZF/eNZFOzZgaRi7MzFRer+6ntbw8cUE3M+ZY9a4zSYDUxHz1ylDhIyBnKZ/FaPFtTS8zj4+PFScHyZeFyXUA8CKhGgJ9Z16npRDdv3pCsc97cEKrtWJP4zpOaQS0xD5u/QBzk+Dk/AghoTWBLVDTVqGYn3sOSamvjuvXkUM2eLl68KJVsdpxaYm54tn/k8GHFtlhNzPkN9tYtW8kaOnPaVOH8shnMTFBLzIcMHCgOnrm5uWZagmIgoJzAlEmB1KShK90pKJAstHrl28Jfcq5X/qKMZAUykWqIeUlJiXh26efrK9MKokFAXQIrlkdQLQcHunr1qmTFOz7bIfzl9O+/S6abG6mWmLOvt3nStDttVhPz3i/2pNatnpRlFrbg7zP54qIi2TzmJKgh5teuXhVvFfPdBQQQeBgEJk+cRE0bulKBjJgbzuQv/fmnquaoIebRkZHiwHnou+9UtQ2VgYAcgYjwCKrl6EDXrl2TzPJNXJzYJw+rPApJDTHnF/P4nbEPoqMlbZeL1CUnJ9Ply5clFx7bxsNJtAgvVSLmM6dNEx1Su201xHx20N9jz9NSU9U2D/U94gR4KImcv6SnpckePCzt1pSJgRWKueHKPFPll8vUEHP3pk3J65k2liJAeRsjUFhYQKkpKbL+kpqSSnq9XpNeGa/MZcR85z9X5vEnTqjavhpi/oKfPzVt1Jju3btnkm06PgOoaBk0YIBJFSrNPHLYcGrUoIFs9lHDhpNz7dqy6eYmWCrmfMuwtoMjvdi9h7kmoJwNE6jIVzjNp21bTXoXNj9UDK/MvXlTsv7QefOploMj5T1iz8zjvv5ajB7hZ5gIVYvA7l27KtQW9pcNGk3gErVps3ib/eKFC5LQN2/cVGG6ZCEFkZaK+cmTp4Rd/Ca7qUF37tw5uvTnJcmFQWTInNmY2tCD+deuWSM29O282w8mif++3j7k691eMs2SSEvFfGXECmE3T0KAUPUI8KQo8v5yUVyFaEFlT2ys2O94DLhU6P9yP2rl4UH3VR5ZYemV+fPP+ZFrffmTdqm+IO7xIKC/o6fzf/wh6y/n/zhPebfUfWHTQO7Yr78Kf/l2/wFDVJnfWTNmivc41D75tVTMBw8YIOw25y17qz0zT0g4LYyO2/t1GciGP3Y6HQXPmmX4q9qvpWLeopkb+fr4qGYPKgIBJQRyc28Kf9kkMzMiz9I2qL/6d9EsEXMe8cGTP72xUNnscUo4IA8IKCHAM37y1MIhc6RnRvTz7UA81lztYImYZ2VmUQ1dNRo9yrx3sawm5gyxnacn+XfsWI7nhrXrxIGrsll00tPT6aOt28qVryjCEjHnsb484YypbVZkD9JAQCmBgG7dqKWbR7nsX335pfAXnsSoonD9+nXi24+mBEvEfFD//kLMtXouako/kLfqEeAXlF3ru5TreHz8CeEv0VEVT+nNUybzi3KmBEvEfOb06WK4M9/NMCdYVcyTkhKF8f37vkz8MllOdjYZbmPPmhFUaX98PNuKjRIVGVlpXkMGS8S8g3d73DI0gMTvQyeQmZUlJl7x7/gc8SOwW7du0eaNG8UJ5oB+r1RqT9/evYW/8JhvpcFcMc/JzhFtTRo/XmlTyAcCqhL466+/xHcFWrp7UOLZROJhxJ/v3k2O9tWpo4LJWAzvxyQmJiq2y1wxv3v3LtVxdCL2UXODVcWcjeYPMHTt1Fk4PsNr5e5BPKBfSfBs/bQox8NylAae753beW+1sq+mGerlF3m43JI3Fxui8AsCD50A7799/hFl3h+bNWpM/C0DJaFnQIDYh0PnzVOSXeS5nZcvykybMlVxGc7IV+Vs37mkcyaVQ2YQUJMAPxMf8dowsS/y/sgTkfEES0oC5+fl7Bll06lynV/s2SPKKP1qmsEOnnaW2zr43UFDlMm/Vhdzky0uVYC/VKPGtKylqsQqCDy2BLKzs2nd+2sf2/6hYyCgJoGfjx6l2JgYNavUtC6bFnNNyaByEAABEAABELARAhBzG9lQMBMEQAAEQAAE5AhAzOXIIB4EQAAEQAAEbIQAxNxGNhTMBAEQAAEQAAE5AhBzOTKIBwEQAAEQAAEbISDmZueJULBoy4CHHaQkJ9vIbgEzpQjwPAi8HeEr2jJgxrwwbwTbJcCTrhi2JXxGW59hvrqJ48aLKe942jss2jGYNH4CyX0kw3bdtWpZXlhQQPAX7XzEcPyZOzuYgqbPkP3ca9Xa62y3t/x1wamBkykkWPt9xrDvVOXf/wMM3TKIe5hrNwAAAABJRU5ErkJggg==[/img]
Clare bought a photo for 17 cents and paid with a $5 bill. Look at the previous question. Which way of writing the numbers could Clare use to find the change she should receive? Explain how you know.
Find the amount of change that Clare should receive. Be prepared to explain how you calculate the difference of 0.17 and 5.
Which method or methods did you use in the previous question? Why?
Discuss with a partner:[br][br]In what ways were your methods effective? Was there an expression for which your methods did not work as well as expected?
[size=150][size=100]Lin’s grandmother ordered needles that were 0.3125 inches long to administer her medication, but the pharmacist sent her needles that were 0.6875 inches long. How much longer were these needles than the ones she ordered? [/size][/size]
[size=150][size=100]There is 0.162 liter of water in a 1-liter bottle. How much more water should be put in the bottle so it contains exactly 1 liter?[/size][/size]
[size=150][size=100]One micrometer is 1 millionth of a meter. A red blood cell is about 7.5 micrometers in diameter. A coarse grain of sand is about 70 micrometers in diameter. Find the difference between the two diameters in [i]meters[/i].[/size][/size]
How many possibilities can you find?