Math Gr 8 Ch 1: Calculating Techniques

<p>To simplify the calculation by adding corresponding parts separately</p> Signup and view all the answers

<p>Multiple partial products that need to be summed</p> Signup and view all the answers

<p>To write down the last digit of the product and carry over any extra value to the next column</p> Signup and view all the answers

<p>Dividing the number step-by-step, starting with the leftmost digits of the dividend</p> Signup and view all the answers

<p>The sum of the errors introduced by rounding each number</p> Signup and view all the answers

<p>Carry over the extra value to the next column.</p> Signup and view all the answers

<p>It helps to avoid mistakes by adding corresponding parts separately.</p> Signup and view all the answers

<p>To increase the top digit by 10 while decreasing the digit in the column from which you borrowed by 1.</p> Signup and view all the answers

<p>The number becomes less accurate.</p> Signup and view all the answers

<p>Multiple partial products.</p> Signup and view all the answers

<p>To ensure the calculation is accurate.</p> Signup and view all the answers

<p>Divide the number step-by-step, starting with the leftmost digits.</p> Signup and view all the answers

<p>The errors are reduced.</p> Signup and view all the answers

<p>Compensating involves adjusting for errors, while rounding off does not.</p> Signup and view all the answers

<p>You carry over the extra value to the next column.</p> Signup and view all the answers

<p>To ensure the correct answer is obtained.</p> Signup and view all the answers

<p>It reduces the chance of errors.</p> Signup and view all the answers

<p>You write it down and carry over any extra value.</p> Signup and view all the answers

<p>To ensure the correct answer is obtained.</p> Signup and view all the answers

<p>You introduce an error of up to 50.</p> Signup and view all the answers

<p>To ensure the correct answer is obtained.</p> Signup and view all the answers

<p>It enables the calculation of the sum by breaking down each number into its components.</p> Signup and view all the answers

<p>Borrow from the next left column, increasing the top digit by 10 and decreasing the digit in the column from which you borrowed by 1.</p> Signup and view all the answers

<p>To ensure the correct calculation of the product.</p> Signup and view all the answers

<p>The digit in the top number increases by 10 and the digit in the column from which you borrowed decreases by 1.</p> Signup and view all the answers

<p>It allows for the calculation of the sum by aligning numbers by their place values.</p> Signup and view all the answers

<p>Write it down and carry over any extra value to the next column.</p> Signup and view all the answers

<p>Column addition is used for adding numbers, while column subtraction is used for subtracting numbers.</p> Signup and view all the answers

<p>To ensure the correct calculation of the quotient by considering each digit separately.</p> Signup and view all the answers