Bai tap cuoi tuan 2

Bµi tËp cuèi tuÇn 2

Hä vµ tªn: ......................................................................................

To¸n

Bµi 1 : §Æt tÝnh råi tÝnh

638 - 215 439 - 168 561 - 152 423 - 167

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Bµi 2 : §Æt tÝnh ®Ó t×m hiÖu biÕt sè bÞ trõ vµ sè trõ lÇn lît lµ:

721 vµ 517 463 vµ 282 325 vµ 171

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Bµi 3 TÝnh nhÈm

a, 5 x 2 = ......... 4 x 7 = ......... 3 x 9 = .........

b, 2 x 8 = ......... 4 x 6 = ......... 36 : 4 = ...........

c, 15 : 5 = ......... 24 : 4 = ......... 12 : 2 = ...........

Bµi 4 Mai vµ Hoa ®i bÎ b¾p ®Ó thu ho¹ch ng« gióp gia ®×nh ; c¶ 2 b¹n bÎ ®îc 225 b¾p ng«.

BiÕt r»ng Mai bÎ ®îc 117 b¾p. Hái Hoa bÎ ®îc bao nhiªu b¾p ng« ?

Bµi gi¶i

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Bµi 5 ; Muèn c¾m ®îc 7 lä hoa, mçi lä cã 3 b«ng hoa th× ph¶i mua tÊt c¶ bao nhiªu b«ng

hoa? Bµi gi¶i

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Bµi 6 Nh©n ( hoÆc chia ) nhÈm :

300 x 3 = .......... 200 x 4 = .......... 200 x 2 = ..........

600 : 2= .......... 900 : 3 = .......... 500 : 5 = ..........

Bµi 7 : TÝnh

45 : 5 + 16 = 40 x 8 - 15 = 20 : 4 + 15 =

.................. = .................. = .................. =

30 : 3 +20 = 50 x 2 - 20 =

.................. = .................. =

Bµi 8 §iÒn sè vµo chç chÊm

5 dm = ........ cm 5 m = .......... dm 2 km = ........ m

6 m = ....... cm 7 dm = ....... mm 1 m = .......... mm

4dm5cm = .......cm 7dm7cm = ....... cm 84 cm = ....... dm .....cm