Have students briefly read the task and make predictions about which Cell Phone company they think will be the best deal. Have them explain their thinking for their predictions. Students will follow the directions below from the Phone recording sheet. “Cell Plans” It is time for McKinley to purchase a new cell phone. With so many new phones and so many companies, McKinley has a lot to consider before she purchases her phone. Read all the information she has gathered below and help her decide which plan is best! Rank the three plans according to which you think is the best deal and be prepared to defend your thinking! Use math words, numbers, models, and symbols to explain your thinking! Phone Usage Per Month McKinley’s Usual 300 minutes of talk time 200 texts 200 megabytes of data Phone Monthly Fee Talk Time Texts Data Usage Company 50 megabytes 100 texts free free 200 minutes free $30 ( of a dollar per Cecelia’s Cells (10 texts per ( of a dollar per minute after that) dollar after that) megabyte after that) of a dollar per of a dollar per of a dollar per None Matt’s Mobiles minute text megabyte 150 megabytes 150 texts free 200 minutes free free $ 15 ( of a dollar per Phyllis’s Phones ( of a dollar per ( of a dollar minute after that) text after that) after that)
Have students briefly read the task and make predictions about which Cell Phone company they think will be the best deal. Have them explain their thinking for their predictions. Students will follow the directions below from the “Cell Phone Plans” recording sheet. It is time for McKinley to purchase a new cell phone. With so many new phones and so many companies, McKinley has a lot to consider before she purchases her phone. Read all the information she has gathered below and help her decide which plan is best! Rank the three plans according to which you think is the best deal and be prepared to defend your thinking! Use math words, numbers, models, and symbols to explain your thinking! McKinley’s Usual Phone Usage Per Month 300 minutes of talk time 200 texts 200 megabytes of data Phone Company Monthly Fee Talk Time Texts Data Usage Cecelia’s Cells $30 200 minutes free ( of a dollar per minute after that) 100 texts free (10 texts per dollar after that) 50 megabytes free ( of a dollar per megabyte after that) Matt’s Mobiles None of a dollar per minute of a dollar per text of a dollar per megabyte Phyllis’s Phones $ 15 200 minutes free ( of a dollar per minute after that) 150 texts free ( of a dollar per text after that) 150 megabytes free ( of a dollar after that)
4th-Math-Unit-5.docx