Algebra Class 6

The rule, which gives the number of matchsticks required to make the matchstick pattern L, is

• 2n

• 3n

• 4n

• 5n

The rule, which gives the number of matchsticks required to make the matchstick pattern C, is

• 2n

• 3n

• 5n

• 9n

The side of a square is l. Its perimeter is

• 3l

• 2l

• 4l

• 6l

The length of an edge of a cube is l. The total length of its edges is

• 3l

• 4l

• 6l

• 12l

The radius of a circle is r. Its diameter is

• 2r

• 4r

• 3r

• 6r

Which of the following is an expression with numbers only?

• x + 1

• 2x

• 1 – x

• 3

Which of the following is not an expression with numbers only?

• 2 × (3 + 4)

• (2 + 3) × 4

• 2 × 3 + 4 × 5

• 2x + 1

The expression for ‘ 1 subtracted from p’ is

• p – 1

• p + 1

• 1 – p

• – 1 – p

The expression for ‘p multiplied by 2’ is

• (a) p + 2

• (b) P – 2

• p/2

• 2p

The expression for ‘ 1 subtracted from -p’ is

• – p + 11

• – p – 1

• p + 1

• p – 1