matemática 13

1 – Escreva por extenso:

100 _____________________ 500__________________________

200______________________ 600__________________________

300______________________ 700__________________________

400______________________ 800_________________________

900________________________

2 - Calcule:

30 + 6 = ____ 10 + 4 = ______ 54 + 2 =___

50 + 8 = ____ 10 + 7 = _____ 92 + 6 =____

70 + 5 = ____ 20 + 8 = _____ 87 + 3 =____

60 + 2 = ____ 80 + 5 = _____ 60 + 10 = ___

90 + 4 = ____ 70 + 4 = _____ 49 + 1 = ____


3- Complete as sequências:
10 -- > 20 -- _____ -_____ - 50 -____ - _____ - ____ - 90 ____

4- Complete como no exemplo:

45 = 40 + 5 4 dezenas e 5 unidades

58 = ____ + ___ _____________________________________

67 = ____ + ____ _____________________________________

33 = ____ + ____ ______________________________________

99 = ____ + ____ ______________________________________

77 = ____ + ____ ______________________________________

66 = ____ + ____ ________________________________________

55 = ____ + ____ _______________________________________

44 = _____ + ____ ______________________________________

26 = _____+ _____ ______________________________________

39 = _____ + ____ ______________________________________

12 = _____ + ____ _______________________________________

5- Arme e efetue as somas:

345 + 56 = _____ 67 + 90 = _____ 43 + 59 = ______


6- Complete com os sinais > , < ou = .
87_____67 98 ____ 89 34 _____ 30 + 4 66_____16

76 _____56 10 + 10 ____30 87_____ 80+7 100____10

23 _____ 43 25 _____ 52 99 _____89 60____160

7- colocar os números que se seguem em:

45 _ 32 _ 89 _ 63 _ 12 _ 34 _ 26 _ 78 _ 65 _ 99

ordem crescente:.........................................................................................

ordem decrescente:......................................................................................