Bài thi số 1: Đi tìm kho báu
Câu 1: 1/2 of 72kg = ......kg
Answer:36
Câu 2: 1/3 of a dozen of apples = ......apples
Answer:4
Câu 3: 1/ 3 of 3 weeks = ...... days
Answer:7
Câu 4: 1/ 4 of 24cm = ......cm
Answer:6
Câu 5: Given: x = 3 x 9 + 17 and y = 99 -12 x 4. Calculate: x + y = ......
Answer:95
Baì thi số 2: Sắp xếp theo thứ tự tăng dần 
Answer:
... < ... < ... < ... < ... < ... < ... < ... < ... < ... < ... < ... < ... < ... < ... < ... < ... < ... < ...9 < 5 < 11 < 12 < 18 < 15 < 6 < 8 < 7 < 20 < 3 < 10 < 16 < 14 < 4 < 13 < 17 < 1 < 2 < 19
Câu 6: How to make 107?
Câu 7: Which of the following products is less than 10?
Câu 8: Which of the following quotients is greater than 10?
Câu 9: Which of the following quotients is a 1 - digit number?
Câu 10: Which of the following products is a 2 - digit number?
