Short multiplication close short multiplicationa method of setting out working in columns to calculate a multiplication. is a method using columns to set out and calculate a multiplication. Short ...

Addition explained, getting the same total when adding different numbers and making addition easier using chunking and the column method. Subtracting numbers using the column and chunking method ...

ALWAYS CHANGE UNIQUE KEY in {index.html, question.js, garaph.html} to GRADE_CLASS. FOR EG., 8_21, WHERE 8 IS GRADE AND 21 IS CLASS. In graph.html change {className} to G()_C(). FOR EG., G8_C21, WHERE ...