Sarin and the million numbers part 9(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.

Read also posting on Sarin learns concept of ratio in school and Sarin learns the concept of Fraction (mathematics concept) to understand Ratio and Fraction.

Upper primary school mathematics question UPQ26

UPQ26-1. Ben bought a motorcycle for $16 888. What is

                  this amount when rounded off to the nearest $1000?

                  (1) $16 000

                  (2) $16 890

                  (3) $16 900

                  (4) $17 000

UPQ26-2.  Arrange the following fractions in decreasing order.

                       7/8, 21/6, 1 1/4                      

UPQ26-3. In which of the following is the digit 8 in the ten thousands 

                   place?

                  (1)  249 803

                  (2)  308 942

                  (3)  894 230

                  (4)  483 902           

UPQ26-4. Find the value of  8/9 ÷ 10.

                  (1)    4/45   

                  (2)  9/80

                  (3)  8 8/9

                  (4)  11 1/4


Solution:               

UPQ26-1. Ben bought a motorcycle for $16 888. What is this amount

                   when rounded off to the nearest $1000?

                  (1) $16 000

                  (2) $16 890

                  (3) $16 900

                  (4) $17 000

                     $17 000

UPQ26-2.  Arrange the following fractions in decreasing order.

                        7/8, 21/6, 1 1/4 

                        7/8 = 21/24, 21/6  = 84/24 , 1 1/4  = 30/24 

                      In decreasing order,  21/6, 1 1/4 , 7/8

UPQ26-3. In which of the following is the digit 8 in the ten thousands

                   place?

                  (1)  249 803

                  (2)  308 942

                  (3)  894 230

                  (4)  483 902            

                      80 000  => digit 8 in the ten thousands place

                      The number is 483 902

UPQ26-4. Find the value of  8/9 ÷ 10.

                  (1)    4/45   

                  (2)  9/80

                  (3)  8 8/9

                  (4)  11 1/4 

                        8/9 ÷ 10

                        = 8/9 × 1/10

                        = 8/90

                        = 4/45

 

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