From the sale price back to the original: money
Same unit first, then label every amount. Why working backwards from a sale price is where almost everybody trips, and how to compare two packs honestly.
Reasoning
4 posts on this. Written by Mat and Alicia, who prepare pupils for the Buckinghamshire Transfer Test every week in Winslow.
The first calculation is not the answer: word problems
The number you can work out first is almost never the one being asked for. Count the steps before calculating any of them, and check you answered the actual question.
Count the structure, not the things: combinations and logic
In Year 4 you could write the whole list out. A question about forty-two fixtures will not let you. Write enough of the list to see how it is built, then count that.
Write the chain in the margin: multi-step reasoning
The last section of the paper crosses two or three topics at once, in about fifty seconds, with one number in the question you are not supposed to use.