SCHOOL to HOME - D91

Chapter 14 Mental Math Strategies. Dear Family,. In this chapter, your child will learn to add and subtract mentally using different strategies including: adding or ...
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14 3 Mental Math Strategies

Dear Family,

Vocabulary to Practice

In this chapter, your child will learn to add and subtract NFOUBMMZVTJOHEJGGFSFOUTUSBUFHJFTJODMVEJOH % BEEJOHPSTVCUSBDUJOHPOFT % BEEJOHPSTVCUSBDUJOHUFOT % doubles facts

5 + 5 = 10 5 + 5 is a doubles fact. 7+6=6+6+1 = 12 + 1 = 13 7 + 6 is a doubles plus 1 fact.

% doubles plus one facts % SFDBMMJOHOVNCFSCPOET

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Activity

Mental Math Genius

$PNQVUJOHNFOUBMMZJTBLFZTLJMMGPSZPVSDIJMEUPNBTUFS*UIBTNBOZSFBMMJGF BQQMJDBUJPOTTVDIBTLOPXJOHIPXNVDIDIBOHFUPFYQFDUGSPNBDBTIJFS % :PVDBOHJWFZPVSDIJMEUIJTfVJ[BOZUJNFZPVIBWFBGFXNJOVUFTUPTQBSF PSUVSOJUJOUPBHBNFGPSUIFGBNJMZUPFO_oy. For example, at the dinner UBCMF BTLFBDIPUIFSBEEJUJPOTVNTPGUXPEJHJUOVNCFSTPSBEJHJU OVNCFSBOEBEJHJUOVNCFS&BDIQFSTPOTIPVMEHJWFUIFBOTXFS within 3 to 4 seconds. t&OTVSFUIFOVNCFSTEPOPUBEEVQUPNPSFUIBO

8+5=?

School-to-Home Connections

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Conexiones entre

ESCUELA

Capítulo

14

y

CASA

Estrategias para el cálculo mental

Estimada familia:

Vocabulario para practicar

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5 + 5 = 10 5 + 5 es una suma de dobles. 7+6=6+6+1 = 12 + 1 = 13 7 + 6 es una suma de dobles más 1.

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Genio del cálculo mental

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8+5=?

32 1BSchToHome_NEW.indd 32

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Actividad

Math in Focus Grade 1

3/26/09 5:04:09 PM