Mental Math Tricks - How to multiply in your head!

Learn 3 Digit Multiplication easily | Math Tricks | Brain Development

Old math vs new math for addition. The traditional way stacks numbers in a column and carries to the next place. The newer way breaks numbers apart or uses a number line, like 37 48 → 30 40 = 70 and 7 8 = 15, then 70 15 = 85. Both give the same answer, but the new way helps students see place value and how the numbers combine. #oldmath #newmath #realmathvsnewmath

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