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Estimación rápida: Sumasy Restas

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Estimación rápida: Sumasy Restas

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About this activity

Desafía tu intuición numérica.

Created by

Arancha
Arancha
Spain

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Estimación rápida: Sumasy Restas
 

Estimación rápida: Sumasy RestasOnline version

Desafía tu intuición numérica.

by Arancha
1

Estimando 67 + 14, ¿aproximadamente cuántos son?

Escoge una o varias respuestas

2

Estimando 267+ 149, ¿aproximadamente cuántos son?

3

Estimando 83 - 29, ¿aproximadamente cuántos queda?

Escoge una o varias respuestas

4

Estimando 567 + 238 ≈ ?

5

Estimando 402 - 157 ≈ ?

Escoge una o varias respuestas

6

Si se suman 999 + 501, estima cerca de

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7

Estimando 68 + 47 ≈ ?

8

Estimando 760 - 289 ≈ ?

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9

Estimando 126 + 289 ≈ ?

10

Si restas 275 de 999, estima ≈

11

Estimando 157 + 680 ≈ ?

 
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