pre-algebra Numeracy and Arithmetic

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Decimals (place value, addition, subtraction, multiplication) 9 Oct 2026, 6:25 a.m.
Decimals: how to read 9 Oct 2026, 5:07 a.m.
Addition, subtraction and multiplication algorithms 18 Sep 2026, 1:28 a.m.
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Questions that don't require or use algebra, e.g. long division, order of operations, negative numbers, decimals, fractions, percentages, ratios, rates, scientific notation, units, non-algebraic indices.

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Ben Brawn commented on Significant figures: identifying 1 year, 9 months ago

The 'problem' is that I have split this question into two questions, the second question is here https://numbas.mathcentre.ac.uk/question/169559/significant-figures-rounding/ if you are using the question in an exam then you'll need to add this second question in.

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Ben Brawn on Significant figures: identifying 1 year, 9 months ago

Gave some feedback: Has some problems

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Ben Brawn commented on Significant figures: identifying 1 year, 9 months ago

I have split this question into two questions, the second question is here https://numbas.mathcentre.ac.uk/question/169559/significant-figures-rounding/ if you are using the question in an exam then you'll need to add this second question in.

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Ben Brawn published Significant figures: rounding 1 year, 9 months ago

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Ben Brawn copied Significant figures: identifying to Significant figures: rounding 1 year, 9 months ago

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Ben Brawn commented on Multiplication 2 digit by 2 digit 2 years, 9 months ago

I found I needed to add <span data-jme-visible="ab0t1carry=0">$\phantom{0}$</span> in table cells that wouldn't have anything in them, specifically cells on the left, to get rid of the alignment issues.

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Ben Brawn on Multiplication 2 digit by 2 digit 2 years, 9 months ago

Saved a checkpoint:

before I started trying to fix the alignment issue

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Ben Brawn on Division, single digit divisor results in no remainder - long or short division 3 years, 3 months ago

Gave some feedback: Ready to use

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Ben Brawn on Division, single digit divisor results in no remainder - long or short division 3 years, 3 months ago

Gave some feedback: Has some problems

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Ben Brawn on Fractions/division and multiplication, different ways of presenting the same thing (non-algebraic) 3 years, 5 months ago

Gave some feedback: Ready to use

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Maria Aneiros on Fractions/division and multiplication, different ways of presenting the same thing (non-algebraic) 4 years ago

Gave some feedback: Has some problems

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Ben Brawn commented on Fractions: adding and subtracting, numerical 4 years, 11 months ago

Fractions are in reduced form by design now and advice involves dealing with cases where the lowest common denominator is one of the denominators. 

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Ben Brawn on Fractions: adding and subtracting, numerical 4 years, 11 months ago

Gave some feedback: Ready to use

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Paul Jainta on Fractions: adding and subtracting, numerical 4 years, 11 months ago

Gave some feedback: Should not be used

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Ben Brawn published Fractions: adding and subtracting, numerical 4 years, 11 months ago

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Ben Brawn on Fractions: adding and subtracting, numerical 4 years, 11 months ago

Gave some feedback: Ready to use

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Ben Brawn on Fractions: adding and subtracting, numerical 4 years, 11 months ago

Gave some feedback: Has some problems

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Ben Brawn copied Fractions: adding and subtracting, numerical, already with common denominator to Fractions: adding and subtracting, numerical 4 years, 11 months ago

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Ben Brawn published Fractions: adding and subtracting, numerical, already with common denominator 4 years, 11 months ago

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Ben Brawn on Fractions: adding and subtracting, numerical, already with common denominator 4 years, 11 months ago

Gave some feedback: Ready to use

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