Estimation & Rounding
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Subject Area: Mathematics (B.E.S.T.) | Grade Level: 4
Lesson Length: 30 minutes
Keywords/Tags: Rounding, Estimation, MA.4.NSO.2.5
Lesson Description: In this lesson, students will learn about and practice rounding and estimating products and quotients!rnrnStandard: MA.4.NSO.2.5

  • MA.4.NSO.2.5 Explore the multiplication and division of multi-digit whole numbers using estimation, rounding and place value.
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Video : Estimating with Multiplication
Instructions: Please watch the following video as many times as needed before starting to go through other lesson pages. Understanding the content of the video is very important since the lesson activities will be all about this video content.
Description: Review and practice estimating with multiplication!
Video : Estimating with Quotients
Instructions: Please watch the following video as many times as needed before starting to go through other lesson pages. Understanding the content of the video is very important since the lesson activities will be all about this video content.
Description: Review and practice estimating with quotients!
Quiz : Estimation!
Instructions: Please complete this quiz by choosing the correct answer for each question. You can take this quiz as many times needed.
Question #1

What is 3,987 rounded to the nearest ten?

Question #2
Solve: 876 divided by 9.  Round to the nearest tens place.
Question #3

Solve: 86 x 34. Round to the nearest hundreds place.

Question #4
What is 904 divided by 7 rounded to the nearest tens place?
Question #5
Solve: 4,480÷5.  Round to the nearest hundreds place.
Question #6
2,907,083 rounded to the ten-thousands place is 2,910,000.
Question #7
Solve: 6 x 7,243 using rounding.  Explain your thinking.
Question #8
Rounding to the leading digit and estimating the sum for the following problem would give you the product of 16,000.1908 x 8 = ?
Question #9

A new software was dispatched to 28 stores in 81 CD's each. About how many CD's total were dispatched amongst all stores? Choose the better estimate.

Question #10
From an airport 21 planes flew from one city to another, each plane carrying 92 passengers. Estimate how many passengers traveled totally?
Description: Answer the following questions about estimation!
Resources : Additional Practice for Estimation & Rounding!
Instructions: Please see additional external resources below. Feel free visit each link to learn more about this lesson.
10 Lessons in Estimation & Rounding
Videos and quizzes about estimation and rounding!
Estimation Math Games
Check out the estimation and rounding games for Grade 4! For a challenge you can try out the Grade 5 games.
Home Run Derby Math
This is a perfect game for practicing estimating sums, differences, and products. The closer your estimations, the farther your epic home runs travel!
Description: Whole number rounding, mixed number rounding and front-end estimation are just some of the topics covered in these resources!