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Square root in 3 seconds – math trick – YouTube
As a maths tutor, I’m always on the look out for little tricks to help people solve calculations more quickly. I like this video on how to find the square root of a number in your head. Square root in … Continue reading
How I passed the QTS maths test – part 2
The first part of the QTS skills test is the mental maths section. To pass this, it helps to have a good grasp of times tables. I was lucky that I already knew these really well because my school had … Continue reading
Posted in Maths
Tagged fractions, maths, mental maths, number bonds, partitioning, percentages, QTS, skills test, times tables, tuition, tutor
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Free Maths Worksheets
One of the challenges of supply teaching is knowing where to find worksheets on a range of topics that can be accessed quickly, printed free of charge, and adapted easily to suit the need of a class you barely know. … Continue reading
Posted in Maths
Tagged arithmetic, free worksheets, maths, mental maths, supply teacher, supply teaching
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What’s the best order to learn times tables in?
Sometimes, something seems so obvious to you that you can’t imagine that other people don’t already do it. This is how I feel about times tables. I’ve always encouraged children to learn them in a particular order and have always … Continue reading
Finding a square of a 2digit number in your head
Recently we looked at how to square twodigit numbers ending in 5 in your head. What about the other square numbers? Well, there’s a quick way to do that in your head as well. Let’s look at 372. First of … Continue reading
Posted in Maths
Tagged mental arithmetic, mental maths, multiplication, multiply, square numbers, tips, tricks
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How to square 2 digit numbers ending in 5 (in your head)
This is another trick that my family already knew, but I only learnt it recently so I’m sharing it for anybody out there who doesn’t already know. Squaring 2 digit numbers is easy if they end in 5. 5×5 = … Continue reading
Posted in Maths
Tagged mental arithmetic, mental maths, multiplication, multiply, square number, tip, trick
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Multiplying 2 digit numbers by 11
Earlier this year I discovered a trick for multiplying 2 digit numbers by 11. I taught this to some of the children I tutor to help them work out 11×11 and 11×12 which they had been struggling with but then … Continue reading
Posted in Maths
Tagged cheat, mental arithmetic, mental maths, multiplication, multiply, tips, tricks, x11
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