Work out.

-13- (-27)

• 14

• -14

• 30

• -30

Multiply.

6 x 2 x (-1) x (-3)

• -24

• 36

• -36

• 12

On Thursday afternoon the temperature fell by 3°C. On Friday it has risen by 5°C. If Thursday morning's temperature was   -3°C, what was the temperature on Friday?

• -5°C

• 1°C

• 10°C

• -1°C

Work out.

 $\frac{-4\ \times-9}{-3}$  

• 12

• -14

• -12

• 11

 $\sqrt[]{121}$ 

Work out the square root and give two possible answers.

• -11 or 11

• 11 or 21

• 121

• 12 or 14

Find the HCF and LCM of the following pair.

10, 15

• 5 and 30

• 10 and 25

• 10 and 15

• 50 and 30

Solve for x :  $\frac{10}{2x-3}=2$  

• x=4

• x=12

• x=2x

• =3

 Expand the brackets.

 $3\left(x+2y\right)$  

• 3x+12y

• 3x+2y

• 3x+6y

• 12

Work out the area of the rectangle.

• 10x+25y

• 10x+5y

• 2x+5y

• 5x+5y

 For the function $f\left(x\right)=8x-3$ , the output was 37. What was the input?

• 2

• 5x

• 10

• 5