We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byNathaniel Hubbard
Modified over 6 years ago
The process of replacing a number by another number that is close to the same value. What’s Our Rule for the Boss?
Using Rounding to Estimate Sums 1,436+422= 1,436 rounds to 422 rounds to Now Estimate:
Using Rounding to Estimate Sums Estimate the sum using rounding 2651,329 + 426 + 5,345 ______ _______
3,635-1,498= 3,635 rounds to 1,498 rounds to Now Estimate: Using Rounding to Estimate Differences
Estimate the difference using rounding 5629,245 - 223 - 4,033 ______ _______ Using Rounding to Estimate Differences
Chapter 3 L3-4 Notes: Estimating Sums & Differences.
3-1 Estimating Fractions and Mixed Numbers A.) Estimating sums and differences of fractions One way to estimate sums/differences of fractions is to round.
Rounding Review Copyright © 2009 Kelly Mott.
Math with Miss Unangst.
Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Chapter 1 The Whole Numbers.
Estimating with Fractions and Mixed Numbers
Estimating Sums and Differences
Estimating Fraction Sums & Differences Textbook page 236 IAN page 68.
Lesson 5 -1:. A benchmark is a number that is easy to use when you estimate. When estimating the sums and differences of fractions, we use the benchmarks.
11 and 6 3 and 9 2, 5, 10 and 4, 8 Divisibility Rules.
ESTIMATION AND ROUNDING
Estimating Sums to the Nearest 10 and 100
LI: I can round numbers in a calculation to help me estimate the answer to the calculation Steps to Success… Be able to round a number to the nearest 10.
Addition of Decimal Fractions
Add and Subtract Decimals
Multiply Decimals 1.Multiply as with whole numbers. 2.Count the total numbers in decimal place value for both factors 3.Place as many numbers of your FINAL.
Rules of Divisibility 1 - always a factor. 2 - if the last digit is a 0, 2, 4, 6, or if the sum of the digits is divisible by if the last.
ESTIMATION ROUNDING NUMBERS. DEFINITION To calculate approximately (the amount, extent, magnitude, position, or value of something).
Rounding Objective: Round two-digit numbers to the nearest ten. Round three-digit numbers to the nearest hundred. Estimate sums and differences.
© 2022 SlidePlayer.com Inc. All rights reserved.