New syllabus model question paper for seventh standard maths chapter one

7th Standard EM

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Maths

Do not write anything on the question paper
Time : 00:45:00 Hrs
Total Marks : 50

    Part - A

    Answer all the questions

    5 x 1 = 5
  1. The temperature at 12 noon at a certain place was 18° above zero. If it decreases at the rate of 3° per hour at what time it would be 12° below zero?

    (a)

    12 mid night

    (b)

    12 noon

    (c)

    10 am

    (d)

    10 pm

  2. Identify the problem with negative numbers as its answer:

    (a)

    -9+(-5)+6

    (b)

    8+(-12)-6

    (c)

    -4+2+10

    (d)

    10+9-4)+8

  3. (-8)+10+(-2)=____

    (a)

    2

    (b)

    8

    (c)

    0

    (d)

    20

  4. Which of the following expressions is equal to –30.

    (a)

    –20 – (–5 x 2)

    (b)

    (6 x 10) – (6 x 5)

    (c)

    (2 x 5) + (4 x 5)

    (d)

    (–6) x (+5)

  5. (-2)×−(-9)=_____

    (a)

    108

    (b)

    -108

    (c)

    +1

    (d)

    -1

  6. Part - B

    Answer all the questions

    5 x 1 = 5
  7. (100) \(\times \) ______=-500

    ()

    -5

  8. (-52)+(-52)=____

    ()

    -104

  9. ____+(-22)=0

    ()

    22

  10. (-42)+[____+(-23)]=[___+15]+____

    ()

    15,-42,-23

  11. (-62)÷ (-62)=___

    ()

    1

  12. Part - C

    5 x 1 = 5
  13. 15-(-18) is the same as 15+18

    (a) True
    (b) False
  14. (-45)-(-8)=(-8)-(-45)

    (a) True
    (b) False
  15. (-15)×5=75

    (a) True
    (b) False
  16. (−30)÷(−6) =−6

    (a) True
    (b) False
  17. The smallest negative integer is −1.

    (a) True
    (b) False
  18. Part - D

    Answer all the questions

    5 x 1 = 5
  19. For any two integers 72 and 108, 72+108 is an also an integer

  20. (1)

    Additive identity

  21. For any three integers 68, 25 and 99
    68 × ( 25 + 99) = ( 68 × 25 ) + ( 68x 9

  22. (2)

    Distributive property of multiplication over addition

  23. 0 + (−138) = (−138) = (−138)+0

  24. (3)

    Closed under addition

  25. For any two integers (−5) and 10
    (−5) × 10 = 10 ×(−5)

  26. (4)

    Multiplicative identity

  27. 1 × (-1098) = (–1098) = (–1098) × 1

  28. (5)

    Commutative property under multiplication.

    Part - E

    Answer all the questions

    5 x 2 = 10
  29. Are(11+7)+10 and 11+(7+10) equal? Mention the property.

  30. Given 168×32=5376 then, find(−5376)÷(-32). 

  31. If the letters in the English alphabets A to M represent the number from 1 to 13 respectively and N represents 0 and the letters O to Z correspond from –1 to−12, find the sum of integers for the names given below.
    For example,
    MATH \(\rightarrow\) sum\(\rightarrow\)13+1+6+8=16
    (i) YOUR NAME
    (ii) SUCCESS

  32. Kamatchi, a fruit vendor sells 30 apples and 50 pomegranates. If she makes a profit of Rs.8 per apple and loss Rs. 5 per pomegranate, what will be her overall profit(or)loss?

  33. -70+20=?-10

  34. Part - F

    Answer all the questions

    5 x 3 = 15
  35. Add (i) (–40) and (30) (ii) 60 and (–50)

  36. Find the missing integers  (i) 0+(2345) =______ (ii) 23479+______=0

  37. Are (–42) × (–7) and (–7) × (–42) equal? Mention the property.

  38. Are (–81) × [5×(–2)] and [(–81) × 5]×(–2) equal? Mention the property.

  39. Ferozkhan collects Rs.1150 at the rate of  Rs.25 per head from his classmates on account of the 'Flag Day' in his school and returns Rs.8 to each one of them, as instructed by his teacher. Find the amount handed over by him to his teacher.

  40. Part - G

    Answer all the questions

    1 x 5 = 5
  41. A shopkeeper earns a profit of Rs. 5 by selling one notebook and incurs a loss of Rs. 2 per pen while selling of his old stock. In a particular day he earns neither profit nor loss. If he sold 20 notebooks, how many pens did he sell?

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