Chinese Take Away Subtraction Subtraction distractions Borrow payback

Chinese Take. Away Subtraction

Subtraction distractions

Borrow & pay-back - ‘Milk bottle’ method 5000 1258

Borrowing ‘Milk bottle’ method 5000 1258 1 -

Borrowing method 5000 1258 2 1 -

Borrowing method 5000 1 2 51 8 2 1 -

Borrowing method 5000 1 2 51 8 2 1 - 1

Borrowing method 5000 1 2 51 8 42 1 - 1

Borrowing method 5000 1 21 51 8 42 1 - 1

Borrowing method 5000 1 21 51 8 42 1 - 1 1

Borrowing method 5000 1 21 51 8 742 1 - 1 1

Borrowing method 5000 11 2 1 51 8 742 1 - 1 1

Borrowing method 5000 11 2 1 51 8 3742 1 - 1 1

Borrow & pay-back ‘Milk bottle’ method 5000 11 21 51 8 3742 1 - 1 1

Decomposition Method - 5000 1258

Decomposition Method ? - 5000 1258

Decomposition Method ? - ? 5000 1258

Decomposition Method ? - ? ? 5000 1258

Decomposition Method 4 - 5000 1258 1

Decomposition Method 4 - 9 1 1 5000 1258

Decomposition Method 4 - 9 9 1 1 1 5000 1258

Decomposition Method 5000 1258 2 4 - 9 9 1 1 1

Decomposition Method 4 - 9 9 1 1 1 5000 1258 42

Decomposition Method 4 - 9 9 1 1 1 5000 1258 742

Decomposition Method 4 - 9 9 1 1 1 5000 1258 3742

Decomposition 4 - updated? 9 9 1 1 1 5000 1258 3742 4 9 9 - 1 5000 1258 3742

Decomposition 4 - Borrowing 9 9 1 1 1 5000 1258 3742 5000 11 21 51 8 3742 1 - 1 1

Invisible number line Effectively changing subtraction into addition 1258 - 5000 1258

Invisible number line Effectively changing subtraction into addition 1260 1258 +2 - 5000 1258

Invisible number line Effectively changing subtraction into addition 1300 1260 1258 +2 +40 - 5000 1258

Invisible number line Effectively changing subtraction into addition +2 2000 1300 1260 1258 +40 - +700 5000 1258

Invisible number line Effectively changing subtraction into addition +2 2000 1300 1260 1258 +40 - +700 5000 1258 5000 +3000

Invisible number line Effectively changing subtraction into addition +2 2000 1300 1260 1258 +40 - +700 5000 1258 5000 +3000 Answer: 3742

Chinese Takeaways - 5000 1258

Chinese Takeaways - 5000 1258 4

Chinese Takeaways - 5000 1258 4

Chinese Takeaways - 5000 1258 4 3

Chinese Takeaways 1 - 5000 1258 4 3

Chinese Takeaways 1 - 5000 1258 4 3

Chinese Takeaways 1 - 5000 1258 48 3

Chinese Takeaways 1 1 - 5000 1258 48 3 7

Chinese Takeaways 1 1 - 5000 1258 48 3 7

Chinese Takeaways 1 1 - 5000 1258 48 3 7

Chinese Takeaways 1 1 - 5000 1258 485 3 7

Chinese Takeaways 1 1 - 5000 1258 485 3 7

Chinese Takeaways 1 1 1 - 5000 1258 4 8 54 3 7

Chinese Takeaways 1 1 1 - 5000 1258 4 8 54 2 3 7

Chinese Takeaways 1 1 1 - 5000 1258 4 8 54 2 3 7 Some of the ‘ease’ in Chinese Takeaways is lost in translation -8 = -10 + 2

Borrow and pay-back Decomposition Invisible Number line Chinese Abacus Please let me know of any other ‘pupil-proof’ subtraction methods?

Subtractions Elaine. ep. Smith@gmail. com