Exam number 2: Fill in the blank with the suitable number

Question 1: Find x such that x + 34 = 99

Question 2: Write the missing number in the blank

Question 3: Calculate: 123 + 456

Question 4: Write in numbers "Nine hundred and twenty – two"

Question 5: Each box has 12 color pencils. How many pencils are in 3 of these boxes?

Question 6: Two apples weight 100 gram. Then ten apples weight ....gram.

Question 7: Write the missing number in the blank

Question 8: Write the missing number in the blank

Question 9: There are 56 students lining up in rows, there 7 students in each row. How many rows are there?

Question 10: The perimeter of rectangle ABCD is 20cm and the length of segment AB is 6cm. What is the length of segment BC?

Diện tích 1 mặt đáy của hình lập phương là: 245,76 : 6 = 40,96 (cm2)                                                   Diện tích xung quanh của hình lập phương đó là: 40,96 x 4 = 163,84 (cm2)                                                                                                                                       Đáp số: 163,84cm2