Estimating Sums and Differences of Whole Numbers

... Estimating Sums and Differences of Whole Numbers ...

... Estimating Sums and Differences of Whole Numbers ...

A digit A number Expanded form Increasing order Decreasing order

... Any whole number that ends with the digits 1, 3, 5, 7 or 9 ...

... Any whole number that ends with the digits 1, 3, 5, 7 or 9 ...

Math 11e

... Rounding is making large, detailed numbers close to a desired, manageable place value. For example, the number 3.142857142857 is a large detailed number that can be rounded to the nearest “hundredth” to create the number 3.14. Rounding is simply picking a place value you wish to round to, identifyin ...

... Rounding is making large, detailed numbers close to a desired, manageable place value. For example, the number 3.142857142857 is a large detailed number that can be rounded to the nearest “hundredth” to create the number 3.14. Rounding is simply picking a place value you wish to round to, identifyin ...

... Any whole number that ends with the digits 1, 3, 5, 7 or 9 ...

Estimate Sums

... You can use rounding to estimate sums. Round to estimate the sum of 477 + 592. Step 1 Round each addend to the nearest hundred. 477 rounds to 500. 592 rounds to 600. Step 2 Add the rounded numbers. 500 + 600 = 1,100 Step 3 You can get a closer estimate by rounding to a lesser place value. Rounding t ...

... You can use rounding to estimate sums. Round to estimate the sum of 477 + 592. Step 1 Round each addend to the nearest hundred. 477 rounds to 500. 592 rounds to 600. Step 2 Add the rounded numbers. 500 + 600 = 1,100 Step 3 You can get a closer estimate by rounding to a lesser place value. Rounding t ...

Decimal Operations – NOTES

... Compatible Numbers: Numbers that add up to values that are easy to compute with mentally, like 10 or 100. Example: 4 & 6, 7 & 3, and 8 &2 are pairs of compatible numbers because they add up to 10. Compensation: Adjust one number to make the calculation easier and then make up for that change after t ...

... Compatible Numbers: Numbers that add up to values that are easy to compute with mentally, like 10 or 100. Example: 4 & 6, 7 & 3, and 8 &2 are pairs of compatible numbers because they add up to 10. Compensation: Adjust one number to make the calculation easier and then make up for that change after t ...

AIMS Exercise Set # 1 Peter J. Olver

... 1. Determine the form of the single precision floating point arithmetic used in the computers at AIMS. What is the largest number that can be accurately represented? What is the smallest positive number n1 ? The second smallest positive number n2 ? Which is larger: the gap between n1 and 0 or the ga ...

... 1. Determine the form of the single precision floating point arithmetic used in the computers at AIMS. What is the largest number that can be accurately represented? What is the smallest positive number n1 ? The second smallest positive number n2 ? Which is larger: the gap between n1 and 0 or the ga ...

136 Cultural Foundations of Mathematics Rounding Again A notable

... A notable feature of the above calculation is the systematic (though implicit) way in which insignificant quantities are discarded or “zeroed”, through rounding. The “general” rule for rounding was rounding to the nearest integer, so that a quantity greater than 12 was rounded up to the next higher ...

... A notable feature of the above calculation is the systematic (though implicit) way in which insignificant quantities are discarded or “zeroed”, through rounding. The “general” rule for rounding was rounding to the nearest integer, so that a quantity greater than 12 was rounded up to the next higher ...

W-L Ch.13, 3,4,5

... A. Front-End: The front-end method uses the leftmost digits only and covers up all the other digits. For example, in a multiplication problem, 37 x 55, students consider just the 3, 30 and the 5, times 50, which would be 1500. B. Rounding: Rounding changes the numbers in the problem to others that a ...

... A. Front-End: The front-end method uses the leftmost digits only and covers up all the other digits. For example, in a multiplication problem, 37 x 55, students consider just the 3, 30 and the 5, times 50, which would be 1500. B. Rounding: Rounding changes the numbers in the problem to others that a ...

Chapter 1 Notes - Clinton Public Schools

... The numbers {1, 2, 3, 4, 5, 6, …} are called natural numbers or counting numbers. A natural number is even if it is divisible by two with no remainder. Otherwise the natural number is odd. The whole numbers include the natural numbers and zero. If one natural number divides evenly into another, ...

... The numbers {1, 2, 3, 4, 5, 6, …} are called natural numbers or counting numbers. A natural number is even if it is divisible by two with no remainder. Otherwise the natural number is odd. The whole numbers include the natural numbers and zero. If one natural number divides evenly into another, ...

Rounding to the Nearest Ten and Hundred

... Topic C builds on students’ Grade 2 work with comparing numbers according to the value of digits in the hundreds, tens, and ones places (2.NBT.4). Lesson 12 formally introduces rounding two-digit numbers to the nearest ten. Rounding to the leftmost unit usually presents the least challenging type of ...

... Topic C builds on students’ Grade 2 work with comparing numbers according to the value of digits in the hundreds, tens, and ones places (2.NBT.4). Lesson 12 formally introduces rounding two-digit numbers to the nearest ten. Rounding to the leftmost unit usually presents the least challenging type of ...

Chapter 0 – Section 01 - Dr. Abdullah Almutairi

... Accuracy and Rounding One more point, though: If, in a long calculation, you round the intermediate results, your final answer may be even less accurate than you think. As a general rule, When calculating, don’t round intermediate results. Rather, use the most accurate results obtainable or have yo ...

... Accuracy and Rounding One more point, though: If, in a long calculation, you round the intermediate results, your final answer may be even less accurate than you think. As a general rule, When calculating, don’t round intermediate results. Rather, use the most accurate results obtainable or have yo ...

Place Value and Money

... Students should be able to read and write numbers through the thousands. All numbers are made from the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. There are different ways to represent a number. Standard Form: 2,106 Expanded Form: 2,000 + 100 + 6 Word Form: two thousand, one hundred six Students will l ...

... Students should be able to read and write numbers through the thousands. All numbers are made from the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. There are different ways to represent a number. Standard Form: 2,106 Expanded Form: 2,000 + 100 + 6 Word Form: two thousand, one hundred six Students will l ...

Date - Bonham Middle School

... 1. Maggie owes the candy store $35. Each of 5 friends will help her pay off her debt. How much will each friend pay? ...

... 1. Maggie owes the candy store $35. Each of 5 friends will help her pay off her debt. How much will each friend pay? ...

5th GRADE MATH STUDY GUIDE – unit 1

... (The test WILL NOT consist of a vocabulary list. However, you must understand the meaning of the following words.): difference, sum, decimal number, decimal place, decimal point, place value, estimate, about, equals, total, add, subtract Integer -Any of the counting numbers, their opposites, and zer ...

... (The test WILL NOT consist of a vocabulary list. However, you must understand the meaning of the following words.): difference, sum, decimal number, decimal place, decimal point, place value, estimate, about, equals, total, add, subtract Integer -Any of the counting numbers, their opposites, and zer ...

... (The test WILL NOT consist of a vocabulary list. However, you must understand the meaning of the following words.): difference, sum, decimal number, decimal place, decimal point, place value, estimate, about, equals, total, add, subtract Integer -Any of the counting numbers, their opposites, and zer ...

Roundoff Errors and Computer Arithmetic

... positive number that when multiplied by itself produces the integer 3. • In the computational world, however, each representable number has only a fixed and finite number of digits. ...

... positive number that when multiplied by itself produces the integer 3. • In the computational world, however, each representable number has only a fixed and finite number of digits. ...

Math 111

... Part II: What place value is each underlined digit? 1) 146,789,000.04: ____________________ 2) 65, 933.7782: ______________________ ...

... Part II: What place value is each underlined digit? 1) 146,789,000.04: ____________________ 2) 65, 933.7782: ______________________ ...

... Part II: What place value is each underlined digit? 1) 146,789,000.04: ____________________ 2) 65, 933.7782: ______________________ ...

Section 1.2 Round-off Errors and Computer Arithmetic

... • In a computer model, a memory storage unit – word is used to store a number. • A word has only a finite number of bits. • These facts imply: 1. Only a small set of real numbers (rational numbers) can be accurately represented on computers. 2. (Rounding) errors are inevitable when computer memory ...

... • In a computer model, a memory storage unit – word is used to store a number. • A word has only a finite number of bits. • These facts imply: 1. Only a small set of real numbers (rational numbers) can be accurately represented on computers. 2. (Rounding) errors are inevitable when computer memory ...