A TV costs £225. Sally has saved £87

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A TV costs £225. Sally has saved £87. How much more does she need to save to buy the TV?

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Presentation transcript:

A TV costs £225. Sally has saved £87 A TV costs £225. Sally has saved £87. How much more does she need to save to buy the TV?

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

_______________________ £87 £225 A TV costs £225. Sally has saved £87. How much more does she need to save to buy the TV? Firstly, put the numbers you are going to use on the number line.

_______________________ +3 _______________________ £87 £90 £225 A TV costs £225. Sally has saved £87. How much more does she need to save to buy the TV? Then, count on to the nearest ‘easy’ number

_______________________ +3 +10 _______________________ £87 £90 £100 £225 A TV costs £225. Sally has saved £87. How much more does she need to save to buy the TV? …..and again

_______________________ +3 +10 +100 _______________________ £87 £90 £100 £200 £225 A TV costs £225. Sally has saved £87. How much more does she need to save to buy the TV? …..keep going…..

_______________________ +3 +10 +100 +20 _______________________ £87 £90 £100 £200 £220 £225 A TV costs £225. Sally has saved £87. How much more does she need to save to buy the TV? …..you’re not finished yet!…..

_______________________ +3 +10 +100 +20 +5 _______________________ £87 £90 £100 £200 £220 £225 A TV costs £225. Sally has saved £87. How much more does she need to save to buy the TV? …..one more step…..!

_______________________ +3 +10 +100 +20 +5 _______________________ £87 £90 £100 £200 £220 £225 A TV costs £225. Sally has saved £87. How much more does she need to save to buy the TV? EXCELLENT – but are we finished? What else do we need to do?

_______________________ +3 +10 +100 +20 +5 _______________________ £87 £90 £100 £200 £220 £225 A TV costs £225. Sally has saved £87. How much more does she need to save to buy the TV? 3+10+100+20+5= (Tell you what….lets make it even easier…….

_______________________ +3 +10 +100 +20 +5 _______________________ £87 £90 £100 £200 £220 £225 A TV costs £225. Sally has saved £87. How much more does she need to save to buy the TV? 100+20+10+5+3 =

_______________________ +3 +10 +100 +20 +5 _______________________ £87 £90 £100 £200 £220 £225 A TV costs £225. Sally has saved £87. How much more does she need to save to buy the TV? 100+20+10+5+3 = 138