Mental maths is when you do calculations in your head instead of writing them down. Sometimes, it's just as quick to do calculations in your head as it is to write down every step. You can add and ...
Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hi there. I'm Miss James and I'm so excited to be learning with you today. For this lesson, all you ...
Chris Tisdell has previously received funding from The Australian Research Council and the Australian Academy of Science. He has an educational partnership with Google and is a member of YouTube EDU.
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