Choose the correct answer : 1)
1) the value of the digit 6 in 364 235 is .............. ( 60 000 , 600 000 , 60 000 000 )
2) if we symbolize a number by X , then twice the number is ………. ( X + 2 , 2 X ,
X – 2)
3) all sides are equal in length in ……….. ( square , rectangle , parallelogram )
4) 231 is divisible by ……….. ( 3 , 2 , 5 )
5) the H.C.F of 12 and 18 is ………….. ( 3 , 6 , 9 )
6) X = ……… is the solution of the equation X + 3 = 7 ( 4 , 1 , 2 )
complete : 2)
1) the longest chord in the circle is called a……………
2) the common factor of all number is ……….
3) 9 km = ……….. m .
4) 8 million , 132 thousand and 40 = ………………
5) the sum of measure of the interior angles o any triangle = ………….
6) if the number A is divided by 4 , it becomes ……………….
Choose the correct answer : 3)
1) the prime number between 30 and 40 is ……. ( 31 , 35 , 38 )
2) the number ………. Is the closest number to 5 million. ( 4 999 900, 5 000 001 , 4 900 000 )
3) if y ÷ 4 = 10 then, y = ……. ( 14 , 40 , 6 )
4) the two diagonals of the parallelogram are …………….. ( bisect each other , equal in length , orthogonal. )
5) the perimeter of a square with side length 5 cm. is ………. Cm ( 25 , 20 , 15 )
6) the L.C.M of 15 and 25 is …… ( 45 , 75 , 15 )
example (4)
find the result : A)
1) 34 904 764 + 92 092 839 = …………
2) 4 483 903 – 1 930 345 = ……………
3) 456 × 32 = ………..
4) 6975 ÷ 75 = ………….
……………………………………………………………………………………..
example ( 5) :
A)
Find : (1) m ( c)
(2) the type of the triangle ABC according to its side lengths.