Question

MATHS HOLIDAY HOMEWORK
1. On day one, temperature at a place was -5°C. Next day it dropped by 3°C.
On third day it again dropped by 2°C but on fourth day it rose by 7°C. What
is the final temperature?
2. Suzy starts from point A and walks 50 km west & then travels 30km east.
Now from this point she again goes 20 km west. What is her final position
from point A?
3. Find product using suitable properties:
a) 625 × 7 × 16
b) -13 × (-101)
c) (-12) + (-12) × 10
4. In an exam, 4 marks are given for every correct answer & -1 mark are given
for every wrong answer.
a) Rashmi gave 7 correct answers & got 25 marks. How many questions did
she attempt wrong?
b) Sunita gave 5 correct & 5 wrong answers. What is her score?
5. Write down three pairs of integers (one positive other negative) whose
difference is -5.
6. Fill blank with an integer to make it a true statement:
a) -5 × __ = 35
b) 8 × __ = -56
c) -1 × __ = 7
d) -11 × __ = 0
7. Write three pair of integers a & b, such that a ÷ b = -7.
8. Give three examples each of
a) Commutative property
b) Associative property
c) Distributive property
9. Write the additive inverse of the following numbers:
a) -21
b) -5
c) -1/9
d) 21
10.What is the sum of the additive inverses of -29 & 61?
11.What is the difference between greatest 2 digit positive number & smallest 3
digit negative number?
12.Write the multiplicative inverse of the following numbers
a) 12
b) 1/5
c) -2/3
d) -7/5
13. Solve the following:
a) (-45) + (-1)
b) (-27) + (-19)
c) 44 + (-31)
14. Represent situation with integers:
a) 9 degrees below zero
b) A growth of 2 inches
c) A deposit of Rs 400
d) 2 steps backward
e) 600 feet below sea level
15.Use >,< or = sign to make statements true:
a) (-7) + (-5) (-7) - (-5)
b) (-21) + (-12) 51 – (-4)
c) (-2) - (-10) + 7 (-2) + (-10) + 7

Answer 1

Answer:

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