2 1 The commander smashed the hotel.

Final examination paper of fifth grade mathematics in primary school

School name and student number

Fill in the blanks.

The product of 1.3.27× 0. 18 is a decimal (), and the highest order of the quotient of 3.5 ÷ 0.25 is ().

2.m× 7× n can be simply written as (), and 5×a×a can be written as ().

3. Given that 1.6× 0.32 = 0.5 12, then 0. 16× 0.32 = (), 160× 3.2 = ().

( )×0.32=5 1.2,0.0 16×( )=0.5 12, 1.6×( )=5 12。

4. Three consecutive natural numbers, the smallest number represents a, and the largest natural number is (); If one of the three numbers is b, the other two natural numbers are () and ().

5. The base and height of parallelogram are enlarged by 3 times, and the area is enlarged by () times.

6. Xiaolan keeps a black rabbit, two of which are three times more than black rabbits. Raise () a white rabbit.

7. The base of an isosceles triangle is 15cm, the waist is a cm and the height is b cm. The circumference of this triangle is () cm and the area is () cm 2.

8. fill in >,