Q1.          What is the value of 4x + 7 when x = 5?

Q2.           and  each stand for a different number.
     =     34

     +          =          +          +     
          What is the value of ?

Q3.          Ann makes a pattern of L shapes with sticks.

Ann says : “I find the number of sticks for a shape by first multiplying the shape-number by 4, then adding 3”.
    Work out the number of sticks for the shape that has shape-number 10.

Q4.   Ann uses 59 sticks to make another L shape in this pattern.
          What is its shape-number?

2 marks

Q5: Here is Ann’s rule again:
“I find the number of sticks for a shape by first multiplying the shape-number by 4, then adding 3”.
     Write a formula to work out the number of sticks for any L shape.
          Use S for the number of sticks and N for the shape-number.
 
	S =	

Q6.     n stands for number. Match the equivalent expressions.
          One has been done for you.

Q7.     n stands for a number. Complete this table of values.
          
n	5 n – 2	
20
	
38