Column subtraction Yesterday we learnt to subtract vertically in columns Can you remember the main things to remember? © www.SaveTeachersSundays.com 2013.

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Presentation transcript:

Column subtraction Yesterday we learnt to subtract vertically in columns Can you remember the main things to remember? © www.SaveTeachersSundays.com 2013

Column subtraction Start on the right-hand side Put only 1 number in a square Write the - Put units under units and tens under tens 48 - 25 284 - 52 © www.SaveTeachersSundays.com 2013

Column subtraction - borrowing 52 - 25 4 5 1 2 - 2 5 2 7 © www.SaveTeachersSundays.com 2013

Column subtraction - borrowing 61 - 18 5 6 1 1 - 1 8 4 3 © www.SaveTeachersSundays.com 2013

Column subtraction - borrowing 45 - 36 3 4 1 5 - 3 6 9 © www.SaveTeachersSundays.com 2013

Column subtraction 64 - 7 © www.SaveTeachersSundays.com 2013

Column subtraction 465 - 8 © www.SaveTeachersSundays.com 2013

Column subtraction 671 - 36 © www.SaveTeachersSundays.com 2013

Column subtraction 916 - 64 © www.SaveTeachersSundays.com 2013

Column subtraction 341 - 289 © www.SaveTeachersSundays.com 2013

Column subtraction 8.1 – 5.3 © www.SaveTeachersSundays.com 2013

Column subtraction 5.73 – 2.14 © www.SaveTeachersSundays.com 2013

Column subtraction Start on the right-hand side Put only 1 number in a square Write the - Put units under units and tens under tens Write the 1 that you take and the new number 42 - 25 282 - 57 © www.SaveTeachersSundays.com 2013