Video help files: example addition subtraction multiplication #division# parenthesis signed parenthesis creating numbers strategies
Static Help: 23-15 274+162 25-18 12*12 324/18 (5+2)*3 -(5-10) 9998 => 9998+2-2 98*98
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Animated help files: Example: 12*12

Drag the blocks one by one from one multiplication area to the other. The order, doesen't matter.

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