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Share and ShowShare and Show MATHBOARDMATHBOARD Math

Talk Math Processes and Practices 6

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1. Usethemodeltofind1_2of8._

Think:Howmanycountersarein1ofthe2equalgroups?

Circle equal groups to solve. Count the number of flowers in 1 group.

2. 1_4of8=_ 3. 1_3of6=_ 4. 1_6of12=_

Try This! Find part of a group.

Raulpicks20flowersfromhismother’sgarden.Onefourthofthemarepurple.Howmanyoftheflowersarepurple?

STep 1Drawarowof4counters.

Think:Tofind1_4,make4equalgroups.

STep 2Continuetodrawasmanyrowsof4countersasyoucanuntilyouhave20counters.

STep 3Thencircle_equalgroups.

Think:Eachgrouprepresents1_4oftheflowers.

Thereare_countersin1group.

1_4of20=_

So,_oftheflowersarepurple.

Describewhyyoucountthenumberofcountersinjustoneofthegroupswhenfinding1_2ofanynumber.

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Chapter 8 • Lesson 8 489

Circle equal groups to solve. Count the number of flowers in 1 group.

SMARTER Draw counters. Then circle equal groups to solve.

11. 1_8of16=_ 12. 1_6of24=_

5. 1_4of12=_ 6. 1_3of15=_ 7. 1_4of16=_

8. 1_6of30=_ 9. 1_3of12=_ 10. SMARTER

1_2of6=_

13. DEEPER Gerryhas50sportstradingcards.Ofthosecards,1_5ofthemarebaseballcards,1__10ofthemarefootballcards,andtherestarebasketballcards.HowmanymorebasketballcardsthanbaseballcardsdoesGerryhave?

14. DEEPER Barbarahasamixedgardenthathas16rowsofdifferentflowersandvegetables.One-fourthoftherowsarelettuce,1_8oftherowsarepumpkins,and1_2oftherowsareredtulips.Theotherrowsarecarrots.HowmanyrowsofcarrotsareinBarbara’sgarden?

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