Cac de luyen thi
Bạn đang xem bản rút gọn của tài liệu. Xem và tải ngay bản đầy đủ của tài liệu tại đây (213.77 KB, 5 trang )
ÔN LUYÊN CUỐI NĂM
Dang 1: Thưc hiên phép tính
Bài 1: Đăt tính rồi tính:
a) 213 – 9
;
b) 326 + 19
;
c) 400 – 25
;
d) 128 + 39
.....................
........................
.........................
........................
.....................
........................
.........................
........................
.....................
........................
.........................
........................
e) 23 + 46
;
f) 67 – 19
;
g) 36 + 24
;
h) 100 – 34
.....................
........................
.........................
........................
.....................
........................
.........................
........................
.....................
........................
.........................
........................
Bài 2: Tính (theo mẫu):
Mẫu: 2 x 6 – 12 = 12 – 12 = 0
a) 300 – 5 x 7 = ....................................................................................................................................................................
b) 3 x 9 + 29 = .....................................................................................................................................................................
c) 20 : 5 – 2 = ......................................................................................................................................................................
d) 123 + 40 : 5 = ..................................................................................................................................................................
e) (276 – 76) + 100 = ......................................................................................................................................................
f) 35 : 5 – 4 = ............................................................................................................................................................................
g) 100 + (23 – 19) = ...........................................................................................................................................................
h) 427 – (124 + 139) = ....................................................................................................................................................
Bài 3: Tính nhanh (theo mẫu):
Mẫu 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9
= (1+9)+(2+8)+(3+7)+(4+6)+5
= 10 + 10 + 10 + 10 + 5
=
40 + 5
=
45
a) 10 + 11 + 12 + 13 + 17 + 18 + 19 + 20
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
b) 50 – 49 – 48 – 47 – 46 – 36 – 37 – 38 – 39 – 40
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
c) (200 – 199 – 198 – 197 – 97 – 98 – 99 – 100) + 36
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
Dang 2: Tìm x
Bài 1: Tìm x, biết:
a) x + 23 = 100
;
b) 145 – x = 387
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
c) x x 5 = 35
;
d) 45 : x = 9
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
e) 23 + x = 100 – 34
;
f) x – (213 – 13) = 400
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
g) x x 3 = 40 – 13
;
h) 50 : x = 10 x (100 – 95)
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
Dang 3: Bài toán có lời văn
Bài 1: Nhà An có 134 con cả gà và thỏ, trong đó 123 con gà. Hỏi:
a) Nhà An có bao nhiêu con thỏ ?
b) Số con gà hơn số con thỏ bao nhiêu con ?
Bài giải
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
Bài 2: Môt cửa hàng, ngày thứ nhất bán 54l nước mắm; ngày thứ hai bán
nhiều hơn ngày thứ nhất 29l. Hỏi cả hai ngày bán bao nhiêu lít mắm ?
Bài giải
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
Bài 3: Trường TH Trần Quốc Toản có 546 hoc sinh, năm hoc vừa đây có
thêm 39 hoc sinh chuyển vào. Hỏi trường TH Trần Quốc Toản có bao nhiêu
hoc sinh ?
Bài giải
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
Bài 4: a) Mỗi con bị có 4 chân, Chi đếm thấy 7 con bị. Hỏi có bao nhiêu
cái chân ?
b) Có 6 con gà, 3 con mèo. Hỏi:
- Có bao nhiêu con cả gà và mèo ?
- Có bao nhiêu cái chân ?
Bài giải
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
........................................................................................................................................................................................................................
........................................................................................................................................................................................................................
.
........................................................................................................................................................................................................................
.
Bài 5: Tìm 1 số biết rằng lấy số đó trừ cho 12 rồi cơng với 129, kết quả bằng
200.
Bài giải
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
.......................................................................................................................................................................................................................
