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Our experience is that "no calculator word problems" are one of the areas that low attaining learners in KS4 are less likely to "have a go at" probably because they have been "failing" at these problems for longest. We have found that building up learners confidence in their teacher and their numeracy skills through "harder looking" maths such as % and percentage NC - pdf & mp4, place value: integerpercentOF and standard form - pdf & mp4 can reduce shame.
So for KS4 learners beginning timely practice first build up trust and learner confidence (through learners experiencing that they get most of their timely practice assignment questions correct).
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