Round money amounts

  • Rounding means adjusting a number to make it simpler while keeping its value close to the original.
  • It helps in estimating costs, making quick calculations, and budgeting money.
  • Look at the digit to the right of the place value you are rounding to.
  • If the digit is 5 or more, round up.
  • If the digit is 4 or less, round down.
  • If cents are 50 or more, round up to the next dollar.
  • If cents are 49 or less, round down to the current dollar.
  • Example: $5.78 rounds to $6; $12.42 rounds to $12.
  • Look at the ones place digit.
  • If it’s 5 or more, round up.
  • If it’s 4 or less, round down.
  • Example: $24.60 rounds to $20; $57.30 rounds to $60.
  • Look at the tens place digit.
  • If it’s 50 or more, round up.
  • If it’s 49 or less, round down.
  • Example: $143 rounds to $100; $275 rounds to $300.
  • Helps estimate totals while shopping.
  • Makes it easier to calculate budgets.
  • Useful when dividing money evenly.

Learn with an example

  • ₹700
  • ₹800
  • ₹780
  • ₹790

First, find the digit in the hundreds place. This is the place you want to round:

786

Now look one place to the right:

₹786

8 is greater than 5, so you will round up. First, replace all the digits to the right of the hundreds place by zeroes:

₹786 → ₹700

Now add 1 to the other part of the number:

700 → ₹800

  • ₹300
  • ₹700
  • ₹280
  • ₹200

First, find the digit in the hundreds place. This is the place you want to round:

287

Now look one place to the right:

₹287

8 is greater than 5, so you will round up. First, replace all the digits to the right of the hundreds place by zeroes:

₹287 → ₹200

Now add 1 to the other part of the number:

200 → ₹300

  • ₹300
  • ₹400
  • ₹500
  • ₹420

First, find the digit in the hundreds place. This is the place you want to round:

427

Now look one place to the right:

₹427

2 is less than 5, so you will round down. Replace all the digits to the right of the hundreds place by zeroes:

₹427 → ₹400

let’s practice!