This is worksheet has been made around a lesson where I want the children to decide which is better to do. Adding/subtract the numbers mentally or use the column method. Children either want to answer a sum quickly mentally and get it wrong or spend ages doing a column method when they could work it out mentally in seconds.
I'm going to go through what to look for when deciding to add/subtract mentally or through the column method.
I'm going to go through what to look for when deciding to add/subtract mentally or through the column method.
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£2.00