Did your Maths Teacher teach you this easy way of subtracting in your head?
Easy Subtraction Trick | Easy and fast way to learn | Math Tips and Tricks
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Our teacher always made us keep our hands on our heads so that she could see if we were counting on our fingers. My mother made us whistle when we were shelling peas.
Keyboard: PSR-S970; PSR-SX900 A Musician's work is never done. It is the musician's joy and curse. I love listening to members performances on this forum and I ALWAYS turn off the speakers on my lap top and plug in my headphones.