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1. He doesn’t have the money and he cannot afford a new car. If………………………………………………………………………………………….. 2. Susan felt sick because she ate 4 cream cakes. If…………………………………….…………………………………………………….. 3. We didn’t know your phone number, so we could not contact you. If…………………………………….……………………………………………………….. 4. The price of petrol was raised last month, so car sales have dropped again. If…………………………………………………………………………………………….. 5. I cannot go to the beach with you this weekend because I have a date with my old classmates. If……………………………………………………………………………………………. 6. She didn’t hurry, so she missed the train. If………………………………………….……………………………………………….. 7. I never got very lonely because I have lots of good friends. If…………………………………………………………………………………………….. 8. We didn’t go on holiday because we didn’t have enough time. If…………………………………………………………………………………………….. 9. We got lost because we didn’t a map. If…………………………………………………………………………………………….. 10. The match can be cancelled because it rains heavily. If…………………………………………………………………………………………….. 11. He lost all his money because he wasn’t careful. If………………………………………………………………………………………….. 12. Because Simon doesn’t live near his mother, he can’t visit her often. If……………………………………………………………………………………………. 13. Without this treatment, the patient would die  If ________________________________________________________________ 14. Without the air, we would die. If ________________________________________________________________________ 15. I didn’t watch TV last night because I was busy. __________________________________________________________________________ 16. I don’t know the answer, so I can’t tell you. If _________________________________________________________________ 17. We get lost because we don’t have a map. __________________________________________________________________________ 18. I couldn’t write to Alice because I didn’t know her address. __________________________________________________________________________ 19. He failed the exam because he watched TV too much. __________________________________________________________________________ 20. Without your help, I couldn’t buy the house. __________________________________________________________________________ 21. He didn’t answer the phone because he was taking a bath. __________________________________________________________________________

37. < > ? = 2,5 giờ..............2 giờ 5 phút 6 giờ 12 phút-1 giờ 36 phút...............2 giờ 18 phút x 2 38 phút 12 giây : 3.............. 7 phút 45 giây + 5 phút 25 giây 38. Đặt tính rồi tính: a) 36,4 x 2,05 b) 2,55 : 0,5 c) 5 giờ 15 phút + 6 giờ 36 phút d) 24 phút 5 giây – 18 phút 58 giây .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. .................................................................................................................................................. 39. Viết các số đo sau dưới dạng số thập phân: 4 3giờ = ......... 8 22 kg = ......... 5 4phút = ......... 6 9giờ = ......... 40. Đặt tính rồi tính a) 5327,46 + 549,37 b) 537,12 x 49 c) 485,41 - 69,27 d) 36,04 : 5,3 .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... 41. Điền dấu >, <, =: a) 6,009...............6,01 b) 0,735..................0,725 c) 12,849.....................12,49 d) 30,5........................30,500 42. ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ ................................................ 42. Viết số thích hợp vào chỗ chấm: a) 9km 364m = ..................km b) 16kg 536g =.................kg c) 2 phút 30 giây = ...................giây d) 45 cm 7 mm = ..................cm 44. Viết phân số 7/10 dưới dạng số thập phân: A. 7,0 B. 0,7 C. 70,0 D. 0,07 45. Kết quả của 25 % = ? A. 250 B. 25 C. 2,5 D. 0,25 46. Chữ số 7 trong số thập phân 26,076 thuộc hàng nào? A. Hàng nghìn B. Hàng phần mười C. Hàng phần nghìn D. Hàng phần trăm 47. 28,7 + 79,56 = ..............số thích hợp điền vào chỗ chấm là: A. 108,26 B . 1082,6 C. 824,3 D. 366,5 48. Số thập phân gồm: Hai mươi đơn vị, mười lăm phần một trăm viết là: A. 2015 B. 20,15C. 201,5 D. 20,015 49. Số thích hợp điền vào chỗ chấm của: 67,12m 2= .................dm 2là: A. 6,712 B. 6712 C. 671,2 D. 0,6712