V. EVERETT SMS 6 TH GRADE MATHEMATICS

NCSOS OBJECTIVE 1.03 AND 1.04

Tells us the meaning of a number Example: $15 is more than $.15 Place value can help you understand and write decimal numbers You can compare numbers using place value Example:

a combination: a whole number and a number in between whole numbers represent the numbers in between whole number. Numbers that have a decimal point

To read decimals I.Read the whole number II.Read the decimal as “and” III.Read the number after the decimal and its place value Example: a)3.16 is read as three and sixteen hundredths b) is read as fourteen and eleven thousandths c)0.69 is read as sixty-nine hundredths

THREE FORMS: Standard: Expanded: Word: two thousand fifteen and five hundredths If you can say it, you can write it!! Tips for writing in expanded form Write the number that appears before the decimal point in expanded form. For decimals, place a zero in the ones place. Also, substitute zeroes for all spaces after the decimal point that come before the digit that you are working with.

Standard formExpanded formWord form Ten and forty one hundredths , Four thousand nine hundred ninety one and six tenths

If you are comparing tenths to hundredths, you can use a tenths grid and a hundredths grid. Here, you can see that 0.4 is greater than 0.36.

There is a simple way to compare decimals!! ( just like comparing whole numbers) 1.Line up the numbers vertically by the decimal point. 2.Add “ 0 ” to fill in any missing spaces. 3.Compare from left to right. Use >, <, or = to compare decimals

Example: ___ Step 1: Step 2: no zeros needed Step 3: the same digits are in the tens and ones place In the tenths place 3 is bigger than 2. So is greater than Answer: >12.24

1)0.9 ____ )3.65 ____ )9.09____9.2 4)3.099____3.1

TWO WAYS TO ORDER ASCENDING DESCENDING LEAST TO GREATEST GREATEST TO LEAST

USE THE SAME METHOD FOR COMPARING TO ORDER DECIMALS Put these numbers in ASCENDING order: 12.5; 12.24; 11.96; ANSWER: 11.96, 12.24, 12.36, 12.5

PUT IN DESCENDING ORDER: 14.35, 14.3, 14.05, , 14.39

CLASSWORK: PRACTICE 1-2 AND 1-3 ODDS ONLY HOMEWORK: RETEACHING 1-2 AND 1-3 EVENS ONLY