SCHOOL to HOME

Some of the skills your child will practice are: t using different strategies like doubles facts and doubles plus one facts to add 1 digit and 2 digit numbers t subtracting a 1 digit from a 2 digit number t solving real world problems. Vocabulary to Practice. Activity Make a Ten. Different strategies form the foundation for adding and.
93KB Größe 8 Downloads 69 vistas
SC HOOL 3 8

Chapter

HOME

to

Connections

Addition and Subtraction Facts to 20

Dear Family,

Vocabulary to Practice

In this chapter, your child will learn addition and subtraction facts UP Some of the skills your child will practice are: tVTJOHEJGGFSFOUTUSBUFHJFTMJLFEPVCMFTGBDUTBOEEPVCMFT QMVTPOFGBDUTUPBEEEJHJUBOEEJHJUOVNCFST

Making a ten: BOENBLF

tTVCUSBDUJOHBEJHJUGSPNBEJHJUOVNCFS tTPMWJOHSFBMXPSMEQSPCMFNT

'%%.BVgh]Vaa8VkZcY^h]>ciZgcVi^dcVaH^c\VedgZEg^kViZA^b^iZY#8den^c\^heZgb^iiZY0hZZeV\Z^^#

Activity

 JTBdoubles fact.  

Make a Ten



Different strategies form the foundation for adding and subtracting greater numbers. Practice some of these strategies with your child by doing the following activity. 8PSLXJUIZPVSDIJME VTJOHTNBMMPCKFDUTTVDIBTDSBZPOTPS beads. t(JWFZPVSDIJMEBTFUPGCFBETBOEBOPUIFSTFUPGMFTT UIBOCFBET TBZ)BWFZPVSDIJMEUBLFBXBZBTQFDJmD number of beads, say 7. Ensure he or she first tries to take BXBZGSPNUIFTFUXJUIMFTTUIBOCFBET*GUIJTJTOPU QPTTJCMF UBLFBXBZGSPNUIFTFUXJUICFBET)BWFZPVS child write the corresponding subtraction sentence.

3      4P  JTEPVCMFQMVT  JTB doubles plus one fact.

take away 7 subtract 7 GSPN CFBET

CFBET

oCFBET

CFBET

 

4VCUSBDUJPOTFOUFODFo

School-to-Home Connections

1A_SchToHome_NEW.indd 19

19 3/26/09 5:02:46 PM

Conexiones entre

ESCUELA 8

Capítulo

y

CASA

Operaciones de suma y resta hasta 20

Estimada familia:

Vocabulario para practicar

&OFTUFDBQÓUVMP TVIJKPBQSFOEFSÈPQFSBDJPOFTEFTVNBZSFTUB IBTUB Algunas de las destrezas que practicará su hijo son: tVTBSEJGFSFOUFTFTUSBUFHJBTDPNPTVNBTEFEPCMFTZ EPCMFTNÈTVOPQBSBTVNBSOÞNFSPTEFVOPZEPTEÓHJUPT

Formar una decena: NÈTTVNBO

tSFTUBSVOOÞNFSPEFVOEÓHJUPEFVOOÞNFSPEFEPTEÓHJUPT  FTVOBsuma de dobles.

tSFTPMWFSQSPCMFNBTSFBMFT

 

Formación de una decena



Diferentes estrategias forman la base para sumar y restar números mayores. Practique algunas de estas estrategias con su hijo mediante la siguiente actividad. 5SBCBKFDPOTVIJKP DPOPCKFUPTQFRVF×PT DPNPDSBZPMBTP cuentas. t&OUSFHVFBTVIJKPVOHSVQPEFDVFOUBTZPUSPHSVQP DPONFOPTEFDVFOUBT QPSFKFNQMP 1JEBBTVIJKP RVFRVJUFVOOÞNFSPFTQFDÓmDPEFDVFOUBT QPSFKFNQMP  7. Asegúrese de que primero intente quitar del grupo con NFOPTEFDVFOUBT4JOPFTQPTJCMF RVJUFEFMHSVQP DPODVFOUBT1JEBBTVIJKPRVFFTDSJCBFMFOVODJBEPEF resta correspondiente.

quitar 7 restar 7 EF DVFOUBT

DVFOUBT

oDVFOUBT

DVFOUBT

 

3      1PSMPUBOUP  FTFMEPCMFEF NÈT  FTVOBsuma de dobles más uno.

'%%.BVgh]Vaa8VkZcY^h]>ciZgcVi^dcVaH^c\VedgZEg^kViZA^b^iZY#8den^c\^heZgb^iiZY0hZZeV\Z^^#

Actividad

&OVODJBEPEFSFTUBo

20

Math in Focus Grade 1

1A_SchToHome_NEW.indd 20

3/26/09 5:02:46 PM