Sarin and the million numbers part 10(Math Question)

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Read posting Sarin and the million numbers and Hairu and the numbers to understand the mathematics concept of numbers.

Upper primary school mathematics question UPQ31

UPQ31-1.   Arrange the digits 5, 3, 7, 6, 9 and 2 to form the smallest  

                   possible 6-digit even number. The place value of the  

                   digit 7 in this smallest number is  ___________.

                    (1) ones

                    (2) tens

                    (3) hundreds

                    (4) thousands

UPQ31-2. Express 4 9/20 as a decimal.

                   (1) 4.09

                   (2) 4.45

                   (3) 4.2

                   (4) 4.9

UPQ31-3.   Multiply 0.08 by 1000. What is the answer?

                     (1) 0.8

                     (2) 8

                     (3) 80

                     (4) 800

UPQ31-4.    A number becomes 834 000 when it is rounded off to the

                     nearest thousands. The number is  _____________.

                     (1) 832 600

                     (2) 833 400

                     (3) 833 600

                     (4) 834 600


Solution:               

UPQ31-1.   Arrange the digits 5, 3, 7, 6, 9 and 2 to form the smallest  

                   possible 6-digit even number. The place value of the  

                   digit 7 in this smallest number is  ___________.

                    (1) ones

                    (2) tens

                    (3) hundreds

                    (4) thousands

                               235796   7 hundreds

UPQ31-2.  Express 4 9/20 as a decimal.

                   (1) 4.09

                   (2) 4.45

                   (3) 4.2

                   (4) 4.9

                          4 9/20 = 4 + 9/20

                                       = 4 + 0.45

                                       = 4.45

UPQ31-3.   Multiply 0.08 by 1000. What is the answer?

                     (1) 0.8

                     (2) 8

                     (3) 80

                     (4) 800

                              0.08 × 1000 = 8 × 10 = 80

UPQ31-4.    A number becomes 834 000 when it is rounded off to the

                     nearest thousands. The number is  _____________.

                     (1) 832 600

                     (2) 833 400

                     (3) 833 600

                     (4) 834 600

                            834 000 – 832 600 = 1 400

                            834 000 – 833 400 = 600

                            834 000 – 833 600 = 400

                            834 600 – 834 000 = 600

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