Question

1. Find the value of -3 – (-4) using number line.

2. Solve i) 20 + (-72) ii) (-7) X (-5) X 2


3. Find the sum :- a + 5b +7c, 2a + 10b + 9c

5. Find x : 7x + 10 = 80.

5. If the cost of 6 cans of juice is Rs.210, then what will be the cost of

4 cans of juice?

6. The product of two integers is -120. If one number is -15, Find the

other number.

III. Practical geometry 1 X 4 = 4

7. Construct the given angle using protractor and draw a bisector of

the angle using ruler and compass. i) 60°​

Answer 1

Answer:

1. 1

2. -52,ii 70

3. 3a+15b+16c

4. 10

5. 140

6. 8