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Multiply and divide positive and negative numbersColumn method for multiplying numbers

Both positive and negative numbers can be multiplied and divided using rules. Two signs the same gives a positive answer. Two different signs give a negative answer. More difficult multiplication can be carried out using the grid or column method. Division can be worked out using short or long division.

Part of MathsNumber and number processes

Column method for multiplying numbers

Numbers can be multiplied together using the column method which involves writing one number underneath the other in a similar way to column addition and subtraction.

Example

Calculate \(46 \times 35\).

Image gallerySkip image gallerySlide 1 of 7, Infographic showing the column method for 35 x 46, First, multiply 6 脳 5 and carry the 30 to the tens column

Therefore, \(46 \times 35 = 1,610\).