Khan Academy Wiki
Rounding whole numbers 2
Rounding-whole-numbers-2 256
Description
Exercise Name: Rounding whole numbers 2
Math Missions: 4th grade (U.S.) Math Mission, 5th grade (U.S.) Math Mission
Types of Problems: 3

The Rounding whole numbers 2 exercise appears under the 4th grade (U.S.) Math Mission and 5th grade (U.S.) Math Mission. This exercise practices rounding whole numbers.

Types of problems[]

There are three types of problems in this exercise:

Rounding whole numbers 2 1

Round ___ to each of the following place values.

Rounding whole numbers 2 2

Write a whole number that rounds to ___ if we are rounding to the nearest ___ .

Rounding whole numbers 2 3

Find which of the following digits that could replace the □ in the tens place to make this statement true

  1. Round ___ to each of the following place values.: This problem has a number that is at least three digits and the user is asked to round three place values of the number.
  2. Write a whole number that rounds to ___ if it is rounded to to the nearest ___ .: This problem asks the user to type a whole number that rounds to ___ while rounding to the nearest ___ .
  3. Which of the following digits could replace the □ in the tens place to make this statement true?: This problem has an explanation such as 83□5 rounds to 8370 if it is round to the nearest ten, and user is asked to find which digit(s) could replace the □. There may be more than one answer to this type of problem.

Strategies[]

Basic knowledge of addition is required for this exercise.

  1. If a number is below 5, it is rounded down.
  2. If a number is above 5, it is rounded up.

Real-life Applications[]

  1. When one shops, chances are they pay a sales tax. If the sales tax is and they buy something for , the sales tax is , which is rounded to .
  2. Knowing how to count is essential for learning algebra and the higher maths, and counting is used for almost everything humans do.