Sarin and the million numbers part 12(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 UPQ46

UPQ46-1.  5/9 ÷ 7 is the same as _______.

                        (1)    5/9 ÷ 1/7

                        (2)   5/9 × 7/1

                        (3)   5/9 × 1/7

                        (4)   9/5 × 1/7

UPQ46-2.  333 333 equal to 300 000 + 30 000 + 3 000 + _______.

                       (1)   333

                      (2)   303

                      (3)   3

                      (4)   33                    

UPQ46-3.  What is the best estimation of 352 ÷ 28?

                        (1)   300 ÷ 30

                        (2)   360 ÷ 30

                        (3)   350 ÷ 20

                        (4)   360 ÷ 20

UPQ46-4.  In which number below does the digit 7 have the smallest 

                      value?

                        (1)   175 625

                        (2)   261 706

                        (3)   397 124

                        (4)   710 543


Solution:     

UPQ46-1.  5/9 ÷ 7 is the same as _______.

                        (1)    5/9 ÷ 1/7

                        (2)   5/9 × 7/1

                        (3)   5/9 × 1/7

                        (4)   9/5 × 1/7

                        1 ÷ 7 = 1/7

                        5/9 ÷ 7 = 5/9 × 1/7

UPQ46-2.  333 333 equal to 300 000 + 30 000 + 3 000 + _______.

                        (1)   333

                       (2)   303

                       (3)   3

                       (4)   33

                                    300 000

                                      30 000

                                        3 000

                                           333

                                    333 333

UPQ46-3.  What is the best estimation of 352 ÷ 28?

                        (1)   300 ÷ 30

                        (2)   360 ÷ 30

                        (3)   350 ÷ 20

                        (4)   360 ÷ 20

                                    360 ÷ 30

UPQ46-4.  In which number below does the digit 7 have the smallest

                      value?

                        (1)   175 625

                        (2)   261 706

                        (3)   397 124

                        (4)   710 543

                                    175 625           70 thousands

                                     261 706           7 hundreds

                                     397 124           7 thousands

                                     710 543           700 thousands

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