knowing decimals 13.45 4,000 + 500 + 40 + 9 +.8 +.03 307.6 - 56.1 108 ÷.32 19.8 *.32
TRANSCRIPT
Knowing Decimals
13.45
4,000 + 500 + 40 + 9 + .8 + .03
307.6- 56.1
108 ÷ .32
19.8 * .32
Let’s practice our place values!
Write 231.367 in word and expanded form.Remember, deal with the numbers before the decimal first.
Two hundred thirty-one and three hundred sixty-seven thousandths.200 +
Let’s practice
30 + 1 + .06 + .007 .3 +
Write the following number in standard form:
Nine hundred six and fifty-four ten-thousandths9 0 6 __ __ __ __5 40 0 .
< means “less than.”> means “greater than.”
1. Line the numbers up vertically (up and down) by the ones place.
2. Start at the left and compare the digits.3. Move towards the right until you find a
difference.
ADD and SUBTRACT DECIMALSLine up decimals vertically
ORDERING DECIMALS
Classwork:
• Play Hotel Decimalfonia to help you add and subtract decimals
• Practice Adding Decimals and Subtracting Decimals from AAA Math
• Complete Adding/Subtracting Decimals worksheet
Homework:Knowing Decimal worksheet