exercicios
Autor: Tati's blog | Publicado: 2013-03-20T11:53:00-07:00

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MATEMÁTICA
- EXERCÍCIOS



1)&nbsp;&nbsp;
Escreva usando material dourado:





a)&nbsp;&nbsp; 256:






b)&nbsp;&nbsp; 197:







c)&nbsp;&nbsp; 539:





2)&nbsp;&nbsp;
Decomponha os números conforme o modelo:



a)&nbsp;&nbsp; 156

1 centena + 5 dezenas + 6 unidades



b)&nbsp;&nbsp; 297

____________________________________________

____________________________________________



c)&nbsp;&nbsp; 841

____________________________________________

____________________________________________



3) Componha os números conforme o modelo:



3 dezenas e 2 unidades:&nbsp; ______32__________

2 centenas, 4 dezenas e 6 unidades:
_________________







3)&nbsp;&nbsp;
Maria Eduarda já leu 254 revistinhas da Turma
da Mônica. Seu irmão já leu 132 revistinhas. Quantas revistinhas os dois leram
no total?















4)&nbsp;&nbsp;
Observe o número 951 &nbsp;e responda:



a)&nbsp;&nbsp; Qual
o algarismo ocupa a ordem das dezenas? _______

b)&nbsp;&nbsp; Qual
o algarismo ocupa a ordem da unidade?_________

c)&nbsp;&nbsp; Que
algarismo ocupa a ordem das centenas? ________

d)&nbsp;&nbsp; Como
se lê esse número? _______________________

_____________________________________________













5)&nbsp;&nbsp;
Represente usando números e material dourado:



a)&nbsp;&nbsp; Uma
centena, duas dezenas e três unidades: ________













b)&nbsp;&nbsp; Três
centenas, cinco dezenas e nove unidades: _______





















c)&nbsp;&nbsp; Cinco
centenas, oito dezenas e uma unidade: __________



















6)&nbsp;&nbsp;
Faça as continhas abaixo:



a)&nbsp;&nbsp; 123
+ 234 =







b)&nbsp;&nbsp; 256
+ 312 =







c)&nbsp;&nbsp; 823
+ 164 =











7)&nbsp;&nbsp;
Continue a sequência:



a)&nbsp;&nbsp; 101,
102, ____, _____, _____, ____, 107, ____, ____, ___

b)&nbsp;&nbsp;
256, 257, ____, ____, _____, _____, _____,
_____, ____



8)&nbsp;&nbsp;
João tem 1 centena de revistas. Quantas
revistas João tem? ________________

9)&nbsp;&nbsp;
Pedro tem 1 dúzia de revistas. Quantas
revistas Pedro tem? ________________

10)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Quem tem mais revistas João ou Pedro?
__________

11)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Maria Eduarda tem duas centenas de adesivos.
Quantos adesivos Maria Eduarda tem? _______________________

12)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Bia tem uma centena e duas dezenas de
adesivos. Quantos adesivos Bia tem?________________________

13)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Quem tem mais adesivos, Duda ou Bia?
___________



14)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Complete:

a)&nbsp;&nbsp;
1 + 1 = _________

b)&nbsp;&nbsp;
2 + 2 = _________

c)&nbsp;&nbsp;
3 + 3 = _________

d)&nbsp;&nbsp;
4 + 4 = _________

e)&nbsp;&nbsp;
5 + 5 = _________

f)&nbsp;&nbsp;&nbsp;
6 + 6 = _________

g)&nbsp;&nbsp;
7 + 7 = _________

h)&nbsp;&nbsp;
8 + 8 + _________

i)&nbsp;&nbsp;&nbsp;&nbsp;
9 + 9 = _________

j)&nbsp;&nbsp;&nbsp;&nbsp;
10 + 10 = _______

15)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Circule os números pares:



1&nbsp; -&nbsp;
2&nbsp; -&nbsp; 3&nbsp;
-&nbsp; 4&nbsp; -&nbsp;
5&nbsp; -&nbsp; 6&nbsp;
-&nbsp; 7&nbsp; -&nbsp;
8&nbsp; -&nbsp; 9&nbsp;
-&nbsp; 10&nbsp; -&nbsp;
11&nbsp; -&nbsp; 12&nbsp;
-&nbsp; 13&nbsp; 







16)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Quanto dá?



a)&nbsp;&nbsp; 123
bananas + 245 bananas? _____________________











b)&nbsp;&nbsp; 256
livros + 343 livros? __________________________













c)&nbsp;&nbsp; 842
pedrinhas + 127 pedrinhas? __________________













d)&nbsp;&nbsp; 954
sorvetes - 723 sorvetes?
_____________________








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