PK ,]_rels/PK ,] docProps/PK ,]ppt/PK ,] ppt/_rels/PK ,] ppt/charts/PK ,]ppt/charts/_rels/PK ,]ppt/embeddings/PK ,] ppt/media/PK ,]ppt/slideLayouts/PK ,]ppt/slideLayouts/_rels/PK ,]ppt/slideMasters/PK ,]ppt/slideMasters/_rels/PK ,] ppt/slides/PK ,]ppt/slides/_rels/PK ,] ppt/theme/PK ,]ppt/notesMasters/PK ,]ppt/notesMasters/_rels/PK ,]ppt/notesSlides/PK ,]ppt/notesSlides/_rels/PK ,]_[Content_Types].xml PK ,]]] _rels/.rels PK ,]KXdocProps/app.xml 0 0 Microsoft Office PowerPoint On-screen Show (16:9) 0 6 6 0 0 false Fonts Used 2 Theme 1 Slide Titles 6 Arial Calibri Office Theme Slide 1Slide 2Slide 3Slide 4Slide 5Slide 6 false false false 16.0000 PK ,]YdocProps/core.xml Which notebook offer is the better buy? Classroom lesson slides 1 2026-09-12T20:00:34Z 2026-09-12T20:00:34Z PK ,]rppt/_rels/presentation.xml.rels PK ,] ppt/theme/theme1.xmlPK ,]-s\ \ ppt/presentation.xml PK ,]Xppt/presProps.xml PK ,]ppt/tableStyles.xml PK ,]D >00ppt/viewProps.xml PK ,]H7t!ppt/slideLayouts/slideLayout1.xml PK ,]ђ77,ppt/slideLayouts/_rels/slideLayout1.xml.rels PK ,]O>Nllppt/slides/slide1.xml Which notebook offer would you choose?Offer A: 3 notebooks for $6. Offer B: 5 notebooks for $9.Choose an offer. Write a reason before talking with your partner.PK ,]3 ppt/slides/_rels/slide1.xml.rels PK ,]G 55ppt/notesSlides/notesSlide1.xml Minutes 0-5. Record initial reasoning without confirming an answer. Ask what information a fair comparison needs. The later unit rates are $2 and $1.80 per notebook.1PK ,]:A*ppt/notesSlides/_rels/notesSlide1.xml.rels PK ,]oGaappt/slides/slide2.xml The cost of one notebookFind the cost per notebook for each offer. Label the units.Compare methods with a partner. Why does your division make sense?PK ,]2- ppt/slides/_rels/slide2.xml.rels PK ,]F00ppt/notesSlides/notesSlide2.xml Minutes 5-11. A: 6/3 = $2 per notebook. B: 9/5 = $1.80 per notebook. Invite two methods. If students reverse division, ask which amount belongs to one notebook.2PK ,]xշ*ppt/notesSlides/_rels/notesSlide2.xml.rels PK ,][llppt/slides/slide3.xml A claim worth revising"Offer A is the better deal because 6 is less than 9."What does this comparison miss? Rewrite it with evidence about unit price.PK ,]W/ ppt/slides/_rels/slide3.xml.rels PK ,]Mȫ66ppt/notesSlides/notesSlide3.xml Minutes 11-17. The pack sizes differ. B has the lower unit price. Ask partners to test and improve explanations. Collect a revised explanation as discussion evidence.3PK ,]9 Y*ppt/notesSlides/_rels/notesSlide3.xml.rels PK ,]U@T[[ppt/slides/slide4.xml Your independent checkA pack of 5 pens costs $4. What is the cost per pen?Show the division. Label your result. Everyone answers independently.PK ,]` ppt/slides/_rels/slide4.xml.rels PK ,]pCCppt/notesSlides/notesSlide4.xml Minutes 17-22. Answer: $0.80 per pen. If fewer than 80% are correct with units, model equal groups for three minutes in the next phase. Recheck: 4 pens for $3 gives $0.75 per pen.4PK ,]J *ppt/notesSlides/_rels/notesSlide4.xml.rels PK ,]ppt/slides/slide5.xml The club needs exactly 10 notebooksA: 3 notebooks for $6. B: 5 notebooks for $9. You must buy whole packs.Compare buying only A packs with buying only B packs. Give total cost and quantity received.Which purchase do you recommend? Explain how it meets the club's needs.PK ,]5 ppt/slides/_rels/slide5.xml.rels PK ,])({nnppt/notesSlides/notesSlide5.xml Minutes 22-33, including any reteaching. A requires 4 packs: $24 for 12. B requires 2 packs: $18 for 10. Support with a packs-to-notebooks list. Extension: explain when total cost and unit price answer different questions.5PK ,]Qe*ppt/notesSlides/_rels/notesSlide5.xml.rels PK ,]ɟppt/slides/slide6.xml Your evidence of learningJuice A: $4.50 for 3 liters. Juice B: $7 for 5 liters.Find both costs per liter. Which is lower? Why might someone still buy the other offer?Check your units, calculations, and explanation before submitting.PK ,]ج+ ppt/slides/_rels/slide6.xml.rels PK ,]:"RRppt/notesSlides/notesSlide6.xml Minutes 33-40. A: $1.50 per liter. B: $1.40 per liter. Accept a justified quantity or budget reason for A. Score both rates and the justification. Use the results to plan tomorrow's groups.6PK ,]=|*ppt/notesSlides/_rels/notesSlide6.xml.rels PK ,]K !ppt/slideMasters/slideMaster1.xml PK ,]N),ppt/slideMasters/_rels/slideMaster1.xml.rels PK ,]6TT!ppt/notesMasters/notesMaster1.xml 7/23/19Click to edit Master text stylesSecond levelThird levelFourth levelFifth level‹#›PK ,]s **,ppt/notesMasters/_rels/notesMaster1.xml.rels PK ,]_rels/PK ,] $docProps/PK ,]Kppt/PK ,] mppt/_rels/PK ,] ppt/charts/PK ,]ppt/charts/_rels/PK ,]ppt/embeddings/PK ,] ppt/media/PK ,]Bppt/slideLayouts/PK ,]qppt/slideLayouts/_rels/PK ,]ppt/slideMasters/PK ,]ppt/slideMasters/_rels/PK ,]  ppt/slides/PK ,]3ppt/slides/_rels/PK ,] bppt/theme/PK ,]ppt/notesMasters/PK ,]ppt/notesMasters/_rels/PK ,]ppt/notesSlides/PK ,]ppt/notesSlides/_rels/PK ,]_P[Content_Types].xmlPK ,]]] c_rels/.relsPK ,]KXdocProps/app.xmlPK ,]YdocProps/core.xmlPK ,]r !ppt/_rels/presentation.xml.relsPK ,] J(ppt/theme/theme1.xmlPK ,]-s\ \ Ippt/presentation.xmlPK ,]XVppt/presProps.xmlPK ,]Wppt/tableStyles.xmlPK ,]D >00Xppt/viewProps.xmlPK ,]H7t!%\ppt/slideLayouts/slideLayout1.xmlPK ,]ђ77,_ppt/slideLayouts/_rels/slideLayout1.xml.relsPK ,]O>Nll`ppt/slides/slide1.xmlPK ,]3 3tppt/slides/_rels/slide1.xml.relsPK ,]G 55?vppt/notesSlides/notesSlide1.xmlPK ,]:A*}ppt/notesSlides/_rels/notesSlide1.xml.relsPK ,]oGaappt/slides/slide2.xmlPK ,]2- Xppt/slides/_rels/slide2.xml.relsPK ,]F00dppt/notesSlides/notesSlide2.xmlPK ,]xշ*ќppt/notesSlides/_rels/notesSlide2.xml.relsPK ,][llppt/slides/slide3.xmlPK ,]W/ ppt/slides/_rels/slide3.xml.relsPK ,]Mȫ66ppt/notesSlides/notesSlide3.xmlPK ,]9 Y*ppt/notesSlides/_rels/notesSlide3.xml.relsPK ,]U@T[[ppt/slides/slide4.xmlPK ,]` ppt/slides/_rels/slide4.xml.relsPK ,]pCCppt/notesSlides/notesSlide4.xmlPK ,]J */ppt/notesSlides/_rels/notesSlide4.xml.relsPK ,]Bppt/slides/slide5.xmlPK ,]5 Appt/slides/_rels/slide5.xml.relsPK ,])({nnMppt/notesSlides/notesSlide5.xmlPK ,]Qe*ppt/notesSlides/_rels/notesSlide5.xml.relsPK ,]ɟ ppt/slides/slide6.xmlPK ,]ج+ ppt/slides/_rels/slide6.xml.relsPK ,]:"RRppt/notesSlides/notesSlide6.xmlPK ,]=|*{$ppt/notesSlides/_rels/notesSlide6.xml.relsPK ,]K !&ppt/slideMasters/slideMaster1.xmlPK ,]N),dEppt/slideMasters/_rels/slideMaster1.xml.relsPK ,]6TT!lGppt/notesMasters/notesMaster1.xmlPK ,]s **,dppt/notesMasters/_rels/notesMaster1.xml.relsPK;;Fsf