Unit Transfer Method

[object Object],© mathsheuristics  1 Pears Apples After Change Before Total Oranges 1u 1u 1u

[object Object],© mathsheuristics  1 1u Pears 1u Apples After Change 1u Before Total Oranges 2 -38 – ? – ?

[object Object],© mathsheuristics  1 1u Pears 1u Apples 90 After Change 1u Before Total Oranges 2 -38 – ? – ?

[object Object],© mathsheuristics  1 -38 1u Pears – ? 1u Apples 90 After – ? Change 1u Before Total Oranges 2 3 1p 2p

[object Object],© mathsheuristics  1 -38 1u Pears – ? 1u Apples 90 After – ? Change 1u Before Total Oranges 2 3 1p 2p 2p – 15

[object Object],2p + 1p + 2p – 15  90 © mathsheuristics  1 2p – 15 -38 1u Pears 2p – ? 1u Apples 90 1p After – ? Change 1u Before Total Oranges 2 3 4

[object Object],2p + 1p + 2p – 15  90 5p – 15  90 © mathsheuristics  1 2p – 15 -38 1u Pears 2p – ? 1u Apples 90 1p After – ? Change 1u Before Total Oranges 2 3 4

[object Object],2p + 1p + 2p – 15  90 5p – 15  90 5p  90 + 15 = 105 © mathsheuristics  1 2p – 15 -38 1u Pears 2p – ? 1u Apples 90 1p After – ? Change 1u Before Total Oranges 2 3 4

[object Object],2p + 1p + 2p – 15  90 5p – 15  90 5p  90 + 15 = 105 1p  105 ÷ 5 = 21 © mathsheuristics  1 2p – 15 -38 1u Pears 2p – ? 1u Apples 90 1p After – ? Change 1u Before Total Oranges 2 3 4

[object Object],2p + 1p + 2p – 15  90 5p – 15  90 5p  90 + 15 = 105 1p  105 ÷ 5 = 21 1u  2p – 15 + 38 = 2x21 – 15 + 38 = 65 © mathsheuristics  1 2p – 15 -38 1u Pears 2p – ? 1u Apples 90 1p After – ? Change 1u Before Total Oranges 2 3 4

[object Object],2p + 1p + 2p – 15  90 5p – 15  90 5p  90 + 15 = 105 1p  105 ÷ 5 = 21 1u  2p – 15 + 38 = 2x21 – 15 + 38 = 65 65 – 21= 44 Ans: 44 oranges © mathsheuristics  1 2p – 15 -38 1u Pears 2p – ? 1u Apples 90 1p After – ? Change 1u Before Total Oranges 2 3 4

Unit Transfer Method

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Unit Transfer Method