Question

Exam number 1: Đi tìm kho báu

Question 1:
185,4 - 5,36 = ............
Which answer is correct?

 

a. 180,04b. 18,004c. 1,318d. 13,18

Question 2:

Calculate: 124,7 : 100 + 45,18 = ..............

a. 46,427b. 47,426c. 46,247d. 47,246

Question 3:

Look at these numbers 
5,586         0,293             0,675                5,595
Two numbers in the box have a sum of 6,261 are .............

a. 5,586 and 0,293b. 5,586 and 0,675c. 5,595 and 0,293d. 5,595 and 0,675

Question 4:

Brick is $28,25 per 25kg. How much is 350kg of brick?
Answer:

a. $395,5b. $9887,5c. $359,5d. $8987,5

Question 5:

If X is a natural number and 0,5 x X > 8,3 then the smallest value of X is ............

 

Exam number 2: Choose 2 consecutive cells which have the same or equal value. (Tìm cặp bằng nhau)

Answer:
(1) = ......; (2) = ......; (3) = .......; (4) = .....; (5) = ......; (6) = ......; (7) = ........; (8) = ......; (11) = ......; (15) = .......

Nhập số thứ tự của các ô vào chỗ (....) cho thích hợp để được các cặp giá trị bằng nhau.

 

Exam number 3: Fill in the blank with the suitable number (Note: write decimal number with the comma between number part and fraction part. Ex: 0,5)

Question 1:
Find x such that 2,89 < x < 11,01 and x are even natural numbers. 
Answer: ................

(Write numbers in the order from smallest to greatest and use ";")

 

Question 2:

2,3m + 6,8m = ......... dm.

 

Question 3:

7m² 4dm² = ........... cm².

 

Question 4:

123004,64 : 10000 = ...............

 

Question 5:

15% of 370kg = .................g

 

Question 6:

2m² 3dm² + 1m² 35cm² = ........... cm².

 

Question 7:

The perimeter of the star equals the perimeter of the regular hexagon. Each side of the hexagon is 16cm long. Each side of the star is ........... cm long.

 

Question 8:

Jane bought jelly beans. She gave 9/11 of them for Jack. If Jane kept 36 jelly beans then she bought .......... jelly beans in total.

 

Question 9:

Tina works 17 hours a week (Monday to Friday). Last week she worked 4,5 hours on Monday; 5 hours on Tuesday; 2,2 hours on Wednesday and 1,5 hours on Thursday. She worked ......... minutes on Friday.

 

Question 10:

The value of 2,73 + 4,23 + 5,73 + 7,23 + 8,73 + 10,23 + 11,73 + 13,23 +14,73 + 16,23 + 17,73 is .....................

 

 

Answer 1

Exam 1:

Qestion 1: a

Qestion 2: a.

Qestion 3: b.

Qestion 4: a.

Qestion5: 16,8

Exam 2: 

Qestion1 : 3;4;5;6;7;8;9;10

Qestion 2: 91

Qestion 3 : 74000

Qestion 4 : 12,300464

Qestion 5 : 55500

Qestion 6 : .../

Các câu còn lại bn tự giải nha mk bận

*** mk nha mọi người

Answer 2

Câu 1 : 185,4 - 5,36 = 180,04

Câu 2 : 124,7  : 100  +  45,18

           =  1,247 + 45,18 = 46,427

Câu 2 : 2,3 m + 6,8 m = 91 dm

Câu 3 : 7 m² 4 dm² = 70000 cm² + 400 cm²

                              = 70400 cm²

Câu 4 : 123004,64 : 10000  = 12,300464

Câu 5 : 15% của 370 kg là :

            370 x 15 : 100 = 55,5  ( kg )

              55,5 kg = 55500 g

Câu 6 : 2 m² 3 dm² + 1 m² 35cm²

         = 23000 cm² + 10035 cm²

         = 33035 cm²

Answer 3

Question 10 : 112,53

Answer 4

Cau 5 de ot chi lay 370 x 15 : 100 =55.5

55.5 = 55500 g