7th Standard English Medium Maths Subject Term 3 Book Back 2 Mark Questions with Solution Part - II

7th Standard

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Maths

Time : 01:00:00 Hrs
Total Marks : 50

    2 Marks

    25 x 2 = 50
  1. Round each of the following decimals to the nearest whole number.
    8.71

  2. Add the following by using place value grid.
     25.8 + 18.53

  3. Simplify the following
    382.4 ÷ 1000

  4. In each of the following grid, find the number of coloured squares and express it as a fraction, decimal and percentage.
    (i) 

  5. Iniyan bought 5 dozen eggs. Out of that 5 dozen eggs, 10 eggs are rotten. Express the number of good eggs as percentage.

  6. Arun lent Rs. 5,000 to Balaji for 2 years and Rs. 3,000 to Charles for 4 years on simple interest at the same rate of interest and received Rs. 2,200 in all from both of them as interest. Find the rate of interest per year.

  7. A square lawn has a 2 m wide path surrounding it. If the area of the path is 136 m2 , find the area of lawn.

  8. Using identity, find the value of
    (1.9)(2.1)

  9. Simplify:
    (a + b)2 + (a – b)2

  10. Reflect the shape with given line of reflection.
    (i)

    (ii) 

    (iii)

    (iv)

    (v)

    (vi)

     

  11. A pool of fish translates from point F to point D.
    a. Describe the translation of the pool of fish.
    b. Can the fishing boat make the same translation? Explain.
    c. Describe a translation the fishing boat could make to get to point D.

  12. A onto the indicated footprint.
    (i) Footprint B
    (ii) Footprint C
    (iii) Footprint D
    (iv) Footprint E

  13. In given diagram, the blue figure is an image of the pink figure.

    (i) Choose an angle or a vertex from the preimage and name its image.
    (ii) List all pairs of corresponding sides.

  14. Draw circles for the following measurements of radius (r) / diameters(d).
     r = 4 cm 

  15. Write a possible translation for each of chess piece for a single move.

  16. Given figure is a floor design in which the length of the small red equilateral triangle is 30 cm. All the triangles and hexagons are regular. Describe the translations in cm, represented by the (i) yellow line (ii) black line (iii) blue line.

  17. In chess, a knight can move only in an L-shaped pattern:
    1. two vertical squares, then one horizontal square;
    2. two horizontal squares, then one vertical square;
    3. one vertical square, then two horizontal squares; or
    4. one horizontal square, then two vertical squares.

    Write a series of translations to move the knight from g8 to g5 [at most two moves].

  18. The mean height of 11 students in a group is 150 cm. The heights of the students are 154 cm, 145 cm, Y cm, Y + 4 cm, 160 cm, 151 cm, 149 cm, 149 cm, 150 cm, 144 cm and 140 cm. Find the value of Y and the heights of two students?

  19. Find the mean of the following data.
    5.1, 4.8, 4.3, 4.5, 5.1, 4.7, 4.5, 5.2, 5.4, 5.8, 4.3, 5.6, 5.2, 5.5

  20. The ages (in years) of 11 cricket players are given below. 25, 36, 39,38 40, 36, 25, 25, 38, 26, 36. Find the mode of their ages.

  21. Find the median of 25, 16, 15, 10, 8, 30.

  22. Calculate the mean, mode and median for the following data: 22, 15, 10, 10, 24, 21.

  23. Find the mean of first 10 prime numbers and first 10 composite numbers.

  24. Complete the given flowchart.
    (i) Fill in the flow chart to print the average mark by giving your I term or II term marks as inputs.

    (ii) Construct the flow chart to print teachers comment as “very good” if your average mark is above 75 out of 100 or else, as “still try more” can be inserted in the flow chart with earlier one.

  25. A merchant calculates the cost price (CP) and the selling price (SP) of the product bought by him. Construct the flow chart to print ‘PROFIT’ if the selling price (SP) is more than the cost price (CP) or else ‘LOSS’.

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