PPT-Rounding whole numbers and decimals

Creator Jamin Jones Class CEP 811 Date October 29 2012 Objectives You will be able to Understand place value up to the tenths and hundredths Round numbers to the nearest tenth and hundredth. 6 days of class left. Final Exam Tuesday, December 14. th. , 2-4. Decimals. Ratio and Proportion. Percents. Problem Solving. Decimals and place value. Expanded form. 3.24. 0.183. 24.750. Exploration 5.16. Remember to Silence Your Cell Phone and Put It In Your Bag!. Comparing Rational Numbers (in fraction form). Models. For , where b>0, iff a<c.. For , where b>0 and d>0, . Understanding Rational & Irrational Numbers. CCSS 8.NS.A.1, 8.NS.A.2. Classifying Numbers Foldable. CLASSIFYING NUMBERS. Natural Numbers. Whole Numbers. Integers. Rational Numbers. Real Numbers. Natural Numbers. Objective: To Read, Write and Round Decimals. Writing Decimals in Words. Place Value Chart. Millions. Hundred Thousands. Ten Thousands. Thousands. Hundreds. Tens. Ones. .. Tenths. Hundredths. Thousandths. Intro . to Algebra. Why round?. On your calculator, take 132 ÷ 789. The answer is .16730038. Why round?. But we don’t want to write all that. . Most of it is so small that it doesn’t even have an effect on the number.. In which place is the 4 in. each of the following:. 140,399. 48,210. 450. 129,394. Write 2 equivalent. fractions for each of the. following:. Rounding Decimal Numbers. Estimating and Approximating Sums and Differences. We do not always need to know the exact value of a number.. For example,. There are 1432 . students at East-park School. .. There . is about fourteen hundred students . at East-park School. .. Example. the point?. Get it. ?. © . Mike’s Math Mall. Decimals. PowerPoint. Rounding. We round numbers to make them easier to use and understand while keeping them close to their actual value.. Hey!. That sounds. 6.NS.3. Fluently add, subtract, multiply and divide multi digit decimals using algorithms for each operation.. Product. The product is the answer when two or more numbers are . multiplied. together. . 5.NBT.4. Remember This:. “Look . right. next door-if it’s 5 or . more. (5,6,7,8 or 9) . raise (increase by one). the score. . If it’s 4 or . less. (4,3,2,1 or 0) let it rest.. Rounding Decimals to the Thousandths. LG: Demonstrate the ability to round numbers to the nearest ten. th. , hundred. th. , and thousand. th. Kid friendly: Show that you can round numbers to tenths, hundredths, and thousandths. Definitions. When rounding decimals it is first necessary to . identify . the place value you are rounding to. . The . digit that follows will tell you whether you should round up or leave the digit the same.. If . We round numbers to make them easier to work with. We may round a number to a multiple of 10 (10, 100, 1000, etc.) or we may round a decimal number to the nearest whole number. Rounding allows us to solve mental math problems easier. We can use rounding in situations where an exact answer is not necessary. . This resource provides animated demonstrations of the mathematical method.. Check animations and delete slides not needed for your class.. There are 400 people in my village.. Last year I earnt £23,000..