Presentation Transcript
Slide 1:Chapter 3.1 – Represent, Compare, and Order Decimals. Objective: Use place value to express, compare, and order decimals.
Slide 2:Number of the Day
Subtract your age from your age multiplied by 100. When you divide the result by 11 and then divide your quotient by 9, what number do you get?
(a x 100 - a) ÷ 11 ÷ 9
a = Age
Slide 3:Problem of the Day
The money that Mrs. Frey deposited in her bank account was in $10 bills. The sum of the digits in the amount she deposited was 18. If she deposited $10 more, the sum of the digits would have been 1. How much did she deposit?
Slide 5:50.58 50.59
Slide 6:0.329 Standard Form
Slide 7:0.329 Expanded Form
0.3 + 0.02 + 0.009
Slide 8:0.329 Word Form
Three hundred twenty-nine thousandths
Slide 9:When you say decimals, you always call them by their last place!
Slide 10:Ordering Decimals Start at the left
Compare the ones digit
Compare the tenths digit
Add a zero so both have the same amount of numbers
Compare the hundredths digit 7.28
7.2
Slide 11:Ordering Decimals Start at the left
Compare the ones digit
Compare the tenths digit
Add a zero so both have the same amount of numbers
Compare the hundredths digit 7.28
7.20
Slide 12:The “longer” decimal doesn’t mean the largest. Larger numbers near the decimal mean it’s a larger number!
Slide 13:Image Attributions
Slide 1: Image: 'Scientific'
www.flickr.com/photos/9859070@N07/1806829922
Slide 2: Image: 'Birthday cake in Hamburg'
www.flickr.com/photos/61564361@N00/389594727
Slide 3: Image: 'i never paid any attention before ...'
www.flickr.com/photos/51035580274@N01/8447725
Slide 5: http://sportsillustrated.cnn.com/multimedia/photo_gallery/0808/oly.phelps.sequence/content.5.html
Slide 9: Image: 'Yell'
www.flickr.com/photos/51035795564@N01/9698602
Slide 12: Image: 'Elisabeth - the one and only'
www.flickr.com/photos/51773358@N00/64838175