Operations on Larger Numbers — Chapter Summary

To add large numbers

To add large numbers, align them by place value (ones under ones, tens under tens, etc.) and add column by column from right to left. Carry over any e

Arrange numbers in columns with

Arrange numbers in columns with the larger number (minuend) on top. Subtract from right to left. Borrow from the next higher place if needed.

Multiply each digit of the multiplier

Multiply each digit of the multiplier with the multiplicand, starting from the right. Write partial products and add them. Remember to shift left with

Divide step by step

Divide step by step, starting from the leftmost digits. Use trial division to estimate how many times the divisor fits into the current part of the di

When dividing by 10

When dividing by 10, 100, 1000, etc., the quotient is the number formed by removing as many digits from the right as there are zeros in the divisor. T