Chu vi một hình chữ nhật là 180 m. Chiều rộng kém chiều dài 20 m. Tính diện tích của hình chữ nhật đó?

8 người đắp xong một đoạn đường trong 6 ngày. Hỏi muốn đắp xong đoạn đường đó trong 4 ngày thì phải cần bao nhiêu người?

Viết sô thích hợp vào chỗ chấm 

7m vuông ......... Cm vuông

9708m vuông ........... Dam vuông...........m vuông

21 tấn 17 kg ........... Tấn 

29 dm 3cm ............dm

3,5 ha   ............... m vuông

5km vuông ......... Ha       

70000m vuông ............. Ha

8,02 km .............km..................m

4 cm vuông 5mm vuông ............... Cm vuông

600 g ............ Kg

viết dưới dạng sô thập phân

Một phần năm

Mười hai phần hai mươi lăm

Tính bằng cách hợp lí

a. 12 × 3 + 4 × 12 + 36

b. 175 - 25 × 2 - 3 × 25 - 50

6.Tony puts some toothpaste on his toothbrush. He is going to _ _ _ _ _ his teeth. 7.My aunt’s daughters _ _ _ my cousins. 8. I’m Quan. I’m a p_ _ _ _ in this school. 12.Tom, my little brother, likes doing _ _ _ _ _es. 13.The woman has got two _ _ _ _ _ _. 23. She comes home at half _ _ _ _ two and has lunch. 25.Is that lit_ _ _ boy your friend? – Yes, his name is Tom. 27. I’m a student and my friends are _ _ _ _ _ _ _ _ too. 28. subjects / do / What / like / best? / you …………………………………………………………………………………………………. There is / to my / a big / house. / tree next …………………………………………………………………………………………………. 31. Trang and Chau …………….two bikes. A. has B. have C. is D. don’t 32. Lan and Lien are ………………the desk. A. at B. in C. on D. into 33. Jane likes……………………..to music. A. reading B. speaking C. listening D. staying 34. There is a magic _ _ _ _ _ _ in the story “Snow White and the Seven Dwarfs.” 35. There is / in front of / my / house. / a garden ……………………………………………………………………………………………… 36. There are twenty stude_ _ _ in my class. 37. Would you like to come to _ _ _ bookstore with me? 38. My father is _ _ engineer. 39. Mom and Lucy in the _ _ _ shop. ( nghe- cửa hàng đồ chơi) 40.Where is Paul? – He’s………….puzzles in the living room. A. making B. doing C.playing D. taking 41. and a big / book. / I / notebook / have a small ……………………………………………………………………………………………… 42. Where _ _ you study, Trang? 43. What time _ _ _ _ the library open? 44. What fruit _ _ _ _ your sister like? – She likes grapes. 45.Let’s go outside and _ _ _ a kite. 46. There isn’t _ _ _ water in the bottle. 47. Pat is in the _ _ _ _ _ room. 48. Are there any _ _ _ _ _ _ _ in the room? (nghe – tấm áp phích) 49. She is _ _ _ _ _ years old. (40) 50. The children like building a sand_ _ _ _ _ _ on the beach. 51. Choose the incorrect word(s) in the following sentence: Huy and Khanh are play football in the playground. A. are B. football C. in D. playground 52. _ _ _ _ _ are you going to stay? – In a hotel. 53. What are your ………….favourite subjects? A. friends’ B. friends’s C.friend D. friends 54. There are lots of colourful pebbles in the fish t_ _ _ . 55. Is there any juice in the f_ _ _ _ _, mom? 56.Those are ……………crayons. Let’s borrow them from him. A. Tom’s B. Alex C. they D. our 57. She has…………………..hair. A. a long black B.short red C. curly long D. a short wavy 58. Do you want ….. milk? A. a B. some C. the D. many 59. … .. your name?- My name’s Sally. A. What B. How C. What’s D. How’s 60. The / fish / in / is / the bottle. ………………………………………………………….……………………………………. 61. ………? It’s black. A. What colour is it B. What is this C. How are you D. Good morning 62. My classroom is …….... A. name B. new C. news D. names 63. a / is / This / ruler. / green ……………………………………………………………..………………………………… 64. Clo_se all your books, please. 65. My / brother / baby / likes / sweets. ……………………………………………………………………………………………….. 66. me / please. / the pink / Give / pen, ……………………………………………………………………………………………….. 67. This rose ……………. for you. – Thank you. A. are B. and C. is D. this 68. How _ _ _ you? I’m fine, thanks. 69. …. do you like? I like riding a horse. A. When B. How C.What D. Who 70. This …….…. my school. A. are B. is C. you D. bye 71. dogs / you have? / How / do / many ……………………………………………………………………………………………….. 72. at / the school / is / Mary / gate. ………………………………………………………………………………………………. 73. These are my cra_ _ns. 74. A: May I come here? B: No, you _ _ _’t. 75. children. / make / Let’s / a / circle, ………………………………………………………………………………………………. 76. in / big desk / a / my room / There is ………………………………………………………………………………………………. 77. Choose the odd one out: A. boxes B. pencils C. chairs D. keys 78.There are two armchairs and two _ _ _ _ _ _s in the room. 79. What is her fa_ _ _rite sport? – She likes doing yoga best. 80. To’m birthday is in A_ _ _ _ _ . 81. She puts all the eggs in the re_ _ _ _ _rator.

I like t_ _ing photos