Representing, Comparing, Ordering, and Rounding Decimals DECIMAL BASICS Representing, Comparing, Ordering, and Rounding Decimals

Representing Decimals thousands hundredths thousandths ten-thousandths hundreds tenths tens ones 1 100 1000 10 0.1 0.01 0.001 0.0001

Write each number in word form. Twenty-three and one hundred eight thousandths and represents the decimal number behind the decimal last digit’s place value

Write each number in word form. One thousand twenty-four and six hundredths

Standard Form Standard form is the usual way to write a number.

Write each number in standard form. a. Seventy-six and one hundred three thousandths b. Fifty-nine and sixty-two thousandths c. Eight thousandths d. Three and four hundredths 76.103 59.062 0.008 3.04

COMPARING AND ORDERING DECIMALS the decimal points Line up the numbers by _________________. Starting at the ______ and find the first place the digits are __________. Compare the different digits. left different

Use <, >, or = to compare the following numbers. 0.594 _____ 0.562 0.594 0.562

Use <, >, or = to compare the following numbers. 29.64 _____ 29.84 1.202 _____ 1.2020 =

Ordering Numbers from Least to Greatest Order 25, 25.1, 24.36, 25.03 from least to greatest. Line up the numbers! 25 25.1 24.36 25.03

Ordering Numbers from Greatest to Least Order 71, 71.04, 70.89, and 71.4 from greatest to least 71.4, 71.04, 71, 70.89

ROUNDING DECIMALS Underline digit to the right 5 4 same zero ____________ the digit to be rounded. Look at the __________________ _____ or greater – round up one _____ or less – stays the same Keep all the digits in front the _______ and all those behind dropped or turn to _______. Underline digit to the right 5 4 same zero

Round Each Decimal 7.601; ones 7.601 8

Round Each Decimal 68.9 $14 $2.15 1919.920 2) 68.94; tenths 3) $13.75; nearest dollar 4) $2.1493; nearest cent 5) 1919.9199; thousandths 68.9 $14 $2.15 1919.920