try out math grade 5

eight million six hundred and forty-five thousand and seventy in numeral is (a)  

in the number 1.496.258, the digit 4 is in the place of (a)  

in the number 1.496.258, the digit 5 is in the place of (a)  

in the number 1.496.258, the digit 6 has the value of (a)  

in the number 1.496.258, the digit 1 has the value of (a)  

which one is the greater?

2563 or 2635

(a)  

arrange in order start from the smallest.

2.145.546; 2.546.145; 145.546; 564.512

(a)  

rounding off to the nearest thousand.

2648

(a)  

estimate the product of 1254 x 20

(a)  

find the product of 254 x 300.

(a)