3.3 Estimating Decimals Audio

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Presentation Transcript

Slide 1: 

Objective: Estimate decimal sums, differences, products, and quotients. 3.3 Estimating with Decimals

Slide 2: 

Number of the Day Estimate the product of your age in months and the number of days in a month. What does your answer represent? a x 12 x 30 a = age

Slide 3: 

Problem of the Day Randall, Kira, and Sean have 100 baseball cards. Randall has twice as many as Kira and 10 more than Sean. How many cards does each have?

Slide 4: 

DeAnn made a one-minute call to India, Jordan, and Pakistan. About how much did the three calls cost?

Slide 5: 

$1.79 $1.87 +$2.17

Slide 6: 

$1.79 $1.87 +$2.17 $2.00 $2.00 +$2.00

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Practice Problems Estimate then find the answer. 6.7 + 9.4 + 15.82 31.5 x 2.8 82.5 ÷ 9.3 185.32 – 101.99

Slide 8: 

Image Attributions Slide 1: Image: 'Loosing money' www.flickr.com/photos/46425925@N00/213430779 Slide 3: Image: 'Baseball Season' www.flickr.com/photos/12692384@N00/136472519

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