A new armchair costs £781. Christine has saved £308 A new armchair costs £781. Christine has saved £308. How much more does she need to save to buy the armchair?

_______________________ A new armchair costs £781. Christine has saved £308. How much more does she need to save to buy the armchair? This is a subtraction sum! £225 - £87 =

_______________________ £308 £781 A new armchair costs £781. Christine has saved £308. How much more does she need to save to buy the armchair? Firstly, put the numbers you are going to use on the number line.

_______________________ +2 _______________________ £308 £310 £781 A new armchair costs £781. Christine has saved £308. How much more does she need to save to buy the armchair? Then, count on to the nearest ‘easy’ number

_______________________ +2 +90 _______________________ £308 £310 £400 £781 A new armchair costs £781. Christine has saved £308. How much more does she need to save to buy the armchair? …..and again

_______________________ +2 +90 +300 _______________________ £308 £310 £400 £700 £781 A new armchair costs £781. Christine has saved £308. How much more does she need to save to buy the armchair? …..keep going…..

_______________________ +2 +90 +300 +80 _______________________ £308 £310 £400 £700 £780 £781 A new armchair costs £781. Christine has saved £308. How much more does she need to save to buy the armchair? …..you’re not finished yet!…..

_______________________ +2 +90 +300 +80 +1 _______________________ £308 £310 £400 £700 £780 £781 A new armchair costs £781. Christine has saved £308. How much more does she need to save to buy the armchair? …..one more step…..!

_______________________ +2 +90 +300 +80 +1 _______________________ £308 £310 £400 £700 £780 £781 A new armchair costs £781. Christine has saved £308. How much more does she need to save to buy the armchair? …..Excellent ! ….but are we finished yet?

_______________________ +2 +90 +300 +80 +1 _______________________ £308 £310 £400 £700 £780 £781 A new armchair costs £781. Christine has saved £308. How much more does she need to save to buy the armchair? 2+90+300+80+1 = (Let’s make it easier though shall we?)

_______________________ +2 +90 +300 +80 +1 _______________________ £308 £310 £400 £700 £780 £781 A new armchair costs £781. Christine has saved £308. How much more does she need to save to buy the armchair? 300+90+80+2+1= (Let’s make it easier though shall we?)

_______________________ +2 +90 +300 +80 +1 _______________________ £308 £310 £400 £700 £780 £781 A new armchair costs £781. Christine has saved £308. How much more does she need to save to buy the armchair? 300+90+80+2+1= 473 (Let’s make it easier though shall we?)