Tutorial 1  2:04 mins  
Estimating  Sample video  
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Understanding numbers
Tutorial 2  20:54 mins  
Writing numbers 1  £2.50  Add to basket 
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Tutorial 3  18:51 mins  
Writing numbers 2  £2.50  Add to basket 
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Tutorial 4  15:36 mins  
Rounding/estimating  £2.50  Add to basket 
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Tutorial 5  12:17 mins  
Core numbers  £2.50  Add to basket 
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