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12 Numbers to 40
Dear Family,
Vocabulary to Practice 2 more
In this chapter, your child will learn numbers to 40. Some of the skills your child will practice are: % TIPXJOHOVNCFSTVQUPBTUFOTBOEPOFT
2 less
26 27 28 29 30 31 32 33 34 35
:PVDBODPVOUPOBOEDPVOU CBDLVTJOHBcounting tape.
% DPNQBSJOHBOEPSEFSJOHOVNCFST % NBLJOHOVNCFSQBUUFSOT
Activity
Comparing by Making Tens
'%%.BVgh]Vaa8VkZcY^h]>ciZgcVi^dcVaH^c\VedgZEg^kViZA^b^iZY#8den^c\^heZgb^iiZY0hZZeV\Z^^#
(SPVQJOHOVNCFSTJOUPUFOTBOEPOFTBMMPXTDIJMESFOUPNBLF TFOTFPGHSFBUFSOVNCFST BOEJTBMTPVTFGVMGPSNFOUBMBEEJUJPO and subtraction. % )BWFZPVSDIJMEHSPVQJOUPUFOTBOEPOFT % 5IFOIBWFZPVSDIJMENBLFTUBUFNFOUTBCPVUUIFOVNCFS 25 such as:
1 ten
1 ten
20 and 5 make 25. % Repeat this with other numbers between 20 and 40. % Finally,OBNFBQBJSPGOVNCFSTCFUXFFOBOE&OTVSF the tens are different. Ask your child to write the numbers POBQJFDFPGQBQFS5IFOIBWFZPVSDIJMEJEFOUJGZXIJDI OVNCFSJTHSFBUFSPSMFTT
5 ones
2 tens and 5 ones make 25.
School-to-Home Connections
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Conexiones entre
ESCUELA 12
Números hasta 40
Estimada familia: &OFTUFDBQÓUVMP TVIJKPBQSFOEFSÈMPTOÞNFSPTIBTUB "MHVOBTEFMBTEFTUSF[BTRVFQSBDUJDBSÈTVIJKPTPO tSFQSFTFOUBSOÞNFSPTIBTUBDPNPEFDFOBTZVOJEBEFT tDPNQBSBSZPSEFOBSOÞNFSPT tFMBCPSBSQBUSPOFTOVNÏSJDPT
Actividad
CASA
Vocabulario para practicar NÈT
2 menos
26 27 28 29 30 31 32 33 34 35
1VFEFTDPOUBSIBDJBBEFMBOUF PIBDJBBUSÈTDPOVOBcinta de conteo.
Comparación formando decenas
"HSVQBSOÞNFSPTFOEFDFOBTZVOJEBEFTQFSNJUFBMPTOJ×PT BQSFOEFSTPCSFMPTOÞNFSPTNBZPSFT ZUBNCJÏOFTÞUJMQBSBMB suma y resta mental. t1JEBBTVIJKPRVFBHSVQFFOEFDFOBTZVOJEBEFT t-VFHP QJEBBTVIJKPRVFIBHBFOVODJBEPTTPCSFFM OÞNFSP DPNP
1 decena
1 decena
NÈTTVNBO t3FQJUBFTUPDPOPUSPTOÞNFSPTFOUSFZ t1PSÞMUJNP OPNCSFVOQBSEFOÞNFSPTFOUSFZ "TFHÞSFTFRVFMBTEFDFOBTTFBOEJGFSFOUFT1JEBBTVIJKP RVFFTDSJCBMPTOÞNFSPTFOVOQBQFM-VFHP QJEBBTVIJKP RVFJEFOUJmRVFRVÏOÞNFSPFTNBZPSPNFOPS
5 unidades
EFDFOBTNÈTVOJEBEFT suman 25.
28 1BSchToHome_NEW.indd 28
'%%.BVgh]Vaa8VkZcY^h]>ciZgcVi^dcVaH^c\VedgZEg^kViZA^b^iZY#8den^c\^heZgb^iiZY0hZZeV\Z^^#
Capítulo
y
Math in Focus Grade 1
3/26/09 5:04:06 PM