Acs1 I Trimestre 2019 8 Classe.docx

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1. Copie e complete, substituindo por  ou  . a)  7





b)  342

c) 

18 3

 0

2. Compare usando os símbolos: <, > ou = . a)  5  6 b)  6  5 18 c)  3 

d)  42

d)  23

 0

e) 0

e)  2

0



2

6 3. Calcule com ajuda da recta graduada: a)  5  ( 8) , b) ( 4)  ( 8) . 4. Sem usar a recta graduada, calcule: a)

f) 0



f)  11

1

b)   13   13  7   23  27   11

 11   15   13   8   3

5. Copie e complete, substituindo por  ou  . a)  7



b) 342



c) 

18 3

 0

6. Compare usando os símbolos: <, > ou = . b)  1  6 b)  6  7 18 c)  3 

d)  42

d)  23

 0

e) 0

e)  2

0



2

6 7. Calcule com ajuda da recta graduada: a)  5  ( 8) , b) ( 4)  ( 8) . 8. Sem usar a recta graduada, calcule: b)

f) 0



 11

f)  1

b)   13   13  7   23  27   11

 11  15  13   8   3

9. Copie e complete, substituindo por  ou  . a)  9



b)  34



1 3

c) 

d)  24

 0

10. Compare usando os símbolos: <, > ou = . c)  6  5 b)  9  5 18 c) 3 

d)  32

 0

e) 0

e)  5

0



5

6

f) 0



f)  8

 13

11. Calcule com ajuda da recta graduada: a)  3  (7) , b) ( 6)  ( 3) . 12. Sem usar a recta graduada, calcule: c)

11  15  13   8   3

b)   13   13  7   23  27   11

13. Copie e complete, substituindo por  ou  . a)  2



b)  34



c) 

10 2

14. Compare usando os símbolos: <, > ou = . d)  5  9 b)  6  9 10  c)  2

 0

d)  32

d)  23

 0

0

5 15. Calcule com ajuda da recta graduada: a)  6  (1) , b) ( 4)  ( 2) . 16. Sem usar a recta graduada, calcule: d)

 11  15  13   8   3

e) 0

e)  3



2

f) 0



f)  3

b)   13   13  7   23  27   10

1

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