Ôn thi HSG cấp trường toán lớp 3 đề 1

ĐỀ ƠN VIOLYMPIC TỐN TA LỚP – CẤP TRƯỜNG ĐỀ SỐ BÀI THI SỐ 1: Sắp xếp MÃ A half of 948 is The succeeding number of four thousand three hundred seventy three (345 x – 150) : The ones digit of 3460 The preceding number of 2321 The product of 123, and is Arrange 10 same squares to make a rectangle How many rectangles can be made? The tens digit of 234 x Calculate: 875 : The perimeter of a rectangle is 928cm Its perimeter is eight times as its width Its length is ………….cm Mã The succeeding number of 3749 The greatest – digit number that only one digit repeats two times is … The remainder when 337 is divided by (21 x – 18) : (9 : 3) x (13 + 47) – 40 The preceding number of the greatest – digit number x (357 + 43) – 444 Calculate: 324 x times the number 30 is Three times of two times of 91 Mã A half of a third of a half of 708 is … The succeeding number of four thousand three hundred seventy five The greatest remainder when a number is divided by The succeeding number of 2578 (27 + 124 x 6) : (72 : – 6) x (13 + 47) – 40 Calculate: 343 + 657 The tens digit of 3405 (126 + 552) : (552 – 546) The product of 325 and Mã x (345 + 53) – 456 The greatest remainder when a number is divided by The preceding number of 2378 126 : – The preceding number of the greatest - digit number The are … – digit numbers 253 + 10 x The smallest – digit number that all digit are distinct, and tens digit is four times as the ones digit A third of a half of a half of 780 is… The remainder when 636 is divided by Bài 2: Đừng để điểm rơi Câu 1: What is the perimeter of a square of side 10cm? a/ 27dm b/ 4dm c/ 27cm d/ 4cm Câu 2: What is the quotient of the division 345 : 3? a/ 95 b/ 115 c/ 120 d/ 101 Câu 3: What is the tens digit of the number 4652? Answer :… Câu 4: Fill in the blank: … x = 804? Answer: …… Câu 5: If 490 candies are divided equally into box, how many candies are left? Answer: ……candies Câu 6: Caculate: 824cm : = ……cm Câu 7: The perimeter of a rectangle is 124cm The perimeter of a square is twice as the perimeter of that rectangle How long is the square side? a/ 62dm b/ 60cm c/ 60dm d/ 62cm Câu 8: The value of the expression (120 + 240) : (120 – 117) is … Câu 9: There is a square A rectangle can by made by doubling two sides and bisecting two sides of the square The perimeter of that rectangle is … times as the square edge Câu 10: Put two same squares next to each other to make a rectangle The perimeter of the rectangle is 50cm more than that of the square The length of the square is ……….cm Câu 11: How many hours make a half day? Answer: ……… hours Câu 12: Justin has bags of balls with in each bag How many balls does he have in all? Answer: He has …………balls in all Câu 13: A classroom has tables each having chairs The correct expression for the sum of chairs in the classroom is ……… a/ x b/ + c/ : d/ – Câu 14: Find the quotient: 45 : = … Câu 15: Calculate: x + 35 = … Câu 16: Rearrange 0; 2; to form a three digit even number with the smallest possible value The result is ………… Câu 17: Daniel buys trays of eggs Each tray has 12 eggs How many eggs does he buy in total? Answer: He buys …eggs in total Câu 19: What is double of 43? Answer: Double of 43 is … Câu 20: How many rectangles can you count in this shape? a/ b/ c/ 10 Câu 21: What number makes this number sentence true? x