This uses £1 (100’s), 10pences (10’s) and pennies (units) to show what is being done when exchanging. I called it subtraction by borrowing as that’s what most teachers and pupils say. I prefer exchanging, as this is what is actually being done. Borrowing comes from the other method taught in the past, where the borrowed one is paid back.
See a similar resource for division @ https://www.tes.com/teaching-resource/short-division-bus-stop-12297338
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Very useful - clear, non cluttered, straightforward presentation Uses money as a pictorial example to show why the method works . Particularly useful to explain how regrouping across zero works which is a difficult process to grasp for most children at first. This resolves that problem in a straightforward replicable way. In the follow up activity the learner can use concrete manipulatives to embed the principal independently; or with support when indicated. So differentiation can be built into the planning eg. small group(s) with TA for max support. Once the method is understood the concrete manipulatives can be withdrawn and progress onto lager numbers at a pace that is right for each learner. I am going to go and have a look at more of Cath's resources :-)
Thank you.
This is excellent! Thank you for sharing.
Downloaded this resource but only used the first few slides as my children were only doing 2 digit sums. Really like the idea of useing money in this way.
Excellent, gives clear visuals for the process of subtraction. Thank you for sharing.
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