Is Edexcel 1MA1/1H a calculator paper?

No. Higher Paper 1 is non-calculator. Papers 2 and 3 are the calculator papers.

Should I round exact answers on Edexcel Higher Paper 1?

Only when the question asks for a degree of accuracy. Otherwise leave the surd or the fraction.

Can I use an AQA Higher mock if I sit Edexcel?

The mathematics overlaps. The wording and the paper codes do not. Sit Edexcel-style papers for the dress rehearsal.

Edexcel GCSE Maths Paper 1 Higher

Edexcel GCSE Maths Paper 1 Higher questionsEdexcel Higher Paper 1 (1MA1/1H) is non-calculator, 80 marks. Algebra, exact values and proof-style lines without a calculator. Start a marked Higher mock.Start free GCSE Maths test · Pricing