Maths Test For 7 Grade

The test is according to the Bulgarian educational system.

1. The value of the expression 15.987 + 82.713 is equal:
94.693 98.700 89.040 97.713

2. The difference 9 - 9/10 is:

3. The value of the expression 5.10⁴ + 4.10³ + 7.10 + 1 is equal to:
5471 54071 54701 50471

4. The number 3.45 is equal to:

345

5. The value of the expression

-2⁵.6³

(-2)⁷.(-3)²

is equal to:

6     -6     8     -8

6. 60% from 60 is:
3.6      60 3/5      36      6

7. The multiplication of 2xy².(-3x²y) is equal to:
6x³y²      -x²y      -xy     -6x³y³

8. 3x² - 3x(x - 1) - x(3 - x) is equal to:
x² - 6x      x²      -x²      -x² - 6x
9. When you remove the brackets (1 + 2a)³ you will get:
1 + 2a + 4a² + 8a³    1 + 6a + 12a² + 8a³    1 + 6a + 6a² + 8a³    1 + 6a + 6a² + 2a³

10. The biggest number that is decision of 3(2 + x) ≥ 2(3x + 4) is:
-1      0      1      there is not such a decision

11. A car consumption is 7.5 litres per 100 km. If the petrol tank of the car can hold 42 litres how many km the car can go?
315 km.      600 km.      560 km.      178 km.

12. If the expence for producing a goods is $68, what will be the price so the profit of the producer to be 15% from the price:
$78.20      $80      $83      $125.80

13. Every side of a square with surface 36 cm² is seperated on 3 equal parts. From the sqare are removed the black parts. What is the surface of the white part?

20 cm² 16 cm² 8 cm² 28 cm²

14. How many square cm is the surface of a rhombus with diagonals 5 cm. and 8 cm? 10 cm² 20 cm² 30 cm² 40 cm²

15. Angle α is equal to:

40° 60° 80° 100°

16. The line that cross AC(in point M) and BC is perpendicular to BC and cross BC in the mid point If the angle BAC = 70°, then the angle ABM = ?

80° 70° 60° 50°

17. In the diagram ABCD is a parallelogram and AB=BM=MC. What is the measure of AMD ?

90° 60° 120° 100°

18. In the diagram ABCD is a parallelogram. If CD = 7 cm. what is the length of AM ?

7 cm 3.5 cm 14 cm 10.5 cm

19. In the triangle ABC the height CH = 1.5 cm., the angle ACB = 90° and ABC = 75°. What is the measure of AB ?

3 cm 4,5 cm 6 cm 9 cm

20. ABCD is a sqare and MB = CN, the angle NBC = 35°. What is the measure of AMB:

55° 60° 65° 70°

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