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# Multiplicaciones x 10 x 100 x 1000 adivinar numero

## by Luis Gutiérrez, Working at Colegio Marista San José on Feb 21, 2012

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Cálculo Mental.

Cálculo Mental.

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## Multiplicaciones x 10 x 100 x 1000 adivinar numeroPresentation Transcript

• Calculo mental Colegio Marista San José Luis Gutiérrez Martín - lgm@maristasleon.com Multiplicación por la unidad seguida de ceros Adivinar número
• 52 x __ = 5 200
• 455 x_=45 500
• 10 x __ = 1 000
• 85 x __ = 85 000
• 95 x __ = 9 500
• 99 x __ = 9 900
• 481 x__= 4 810
• 11 x __ = 11 000
• 33 x __ = 3300
• 10 x __ = 100
• 77 x __ = 7 700
• 80 x __ = 800
• 263 x __=26300
• 49 x __ = 4 900
• 39 x __ = 390
• 89 x __ = 8 900
• 15 x __ = 150
• 43 x __ = 430
• 311 x_ =31 100
• 1 x __ = 1 000
• 505 x__=50 500
• 45 x _= 450
• 100 x __= 1 000
• 38 x __ = 38 000
• 52 x __ = 5 200
• 3 x __ = 300
• 46 x __ = 4 600
• 11 x __ = 11 000