1. 1. Place values are the position a digit is in a number What are the place values? 1. Place values are the position a digit is in a number Don’t forget, place values to the right of the decimal place have ths on the end THERE IS NO DIGITHS OR ONETHS!!!

1. 1. Write place value of underlined digit I DO 1,046 Four tens 0.905 What are the place values? 1. Write place value of underlined digit I DO 1,046 Four tens 0.905 Five thousandths WE DO 107,365 Seven thousands 5.4205 Two hundreths YOU DO 1,046,897 One million 7.6289 Nine ten thousandths

2. How do I round numbers? 2. Rounding Numbers means to shorten a number based on rounding rules Rounding is useful for estimating numbers Remember the TWO key rounding rules: 5 and higher, ROUND UP 4 and below, ROUND DOWN You apply rounding rules to the digit to the right of what you are rounding For example, If I am rounding to hundreds, I will look at the tens digit Remember the rhyme: “Knock, knock on the door, round up if I am higher than four”

2. 2. Round to the indicated digit How do I round numbers? I DO 1,046 Hundreds 1,046 rounds to 1,000 0.905 Hundredths 0.905 rounds to 0.91 WE DO 107,365 Ten thousands 107,365 rounds to 110,000 5.4203 Thousandths 5.4203 rounds to 5.420 YOU DO 1,046,897 Thousands 1,046,897 rounds to 1,047,000 7.999 Tenths 7.999 rounds to 8.0