Add the following integers using number line: -2 and 5

2

(a)

Verify a - (-b) = a + b for the following values of a and b. a= 75, b= 84

2

(a)

Verify a - (-b) = a + b for the following values of a and b.

2

(a)

Solve the following addition and subtraction problems and verify the closure property under addition and subtraction:
9 + (-64)

2

(a)

Solve the following addition and subtraction problems and verify the closure property under addition and subtraction:
18 - (-24)

2

(a)

Write down a pair of integers whose: sum is - 7

2

(a)

Find 6 x (- 19)

2

(a)

Find each of the following product: (- 1) x ( - 2) x (- 3) x 4

2

(a)

Find (- 75) \(\div\) 5

2

(a)

Find the values of a and b in following algebraic expressions:
b-2=1

2

(a)

Divide: - 91 by 13

2

(a)

Find the value of: [32 + 2 \(\times\) 17 + (- 6)] ÷ 15

2

(a)

Simplify: 118- [121 ÷ (11 \(\times\) 11)- (- 4) - {3- \(\overline { 9-2 } \) }]

2

(a)

If 5 is added to both the numerator and the denominator of the fraction 5/9 will the value of the fraction be changed? If so, will the value increase or decrease

2

(a)

The heights (in em) of the students of a class are given below. Find the modal height of the class.
162, 163, 165, 160, 163, 164, 163, 162, 163, 165, 160, 163, 160, 163, 164, 162, 163, 164, 162 161, 163, 160, 163, 165, 168, 160, 161, 162, 163, 164.

2

(a)

In the figure, PL \(\bot \)OB and PM \(\bot \)OA such that PL=PM. prove that \(\triangle \)PLO\(\cong \)\(\triangle \)PMO.

2

(a)

Find the area of a square park, whose perimeter is 200 m.

2

(a)

If A = 3x² + 2x,B = 3x + 1.
Find the value of A-B.

2

(a)

Find the value of:
5³

2

(a)

Illustrate the rotation of an equilateral triangle and find its order of rotational order.

2

(a)

For each solid, the three views (i), (ii), (iii) are given. Identify for each solid the corresponding top, front and side views.

2

(a)

Find the number of cubes in each of the following figures.

2

(a)

Two cubes each with 2 cm edge are placed side by side to form a cuboid. Try to make on oblique sketch and say what could be its length, breadth and height.

2

(a)

If P = -2, then find the value of -3p² + 4p + 7.

2

(a)

Draw the front view, side view and top view of the given objects.
A solid

2

(a)