Hosted by CHELSEA P ESCH AND PAYTN DRAPER!!!!!
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Hostedby
CHELSEA PESCH AND PAYTN DRAPER!!!!!
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100 100100
200 200200
400 400
300300
400400
Estimating sums and differences with decimals
Multiple Step Prob.
Adding and Subtracting
decimals
Scientific Notation
300 300 300300
200200
400400
200
100100
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100
1
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Row 1, Col 1
If you were estimating, what is the answer for the question
14.8+5.1=?
20.0
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1,2
Lucy got 2 child tickets for her and her friend for $5 each.
Her parents got tickets 3 times as much as the kids price for one ticket.
How much money was the parents tickets for both of them?
$30
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1,3
What is 44.8+14.0=?
58.8
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1,4
Write 40,100 in Scientific Notation
4.01x104
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2,1
Estimate the answer of 7.99-4.99
3.00
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2,2
Chelsea and Payton made 3 cupycakes.They each got one. They needed to give the other one away ,but not to Mr. Angell because he was being a meaner! They couldn’t decide between Lauren, Faith, Lexi, Kelsey, Rachel,and Brady. How many more did they have to make if they wanted to give one to everyone?
7 cupycakes
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2,3
432.9-31.8=?
401.1
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2,4
Write 0.000000945 in Scientific Notation
9.45x10 -7
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3,1
Estimate the answer of 13.56-2.57=?
11.0
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3,2
Jamarcus and Travis went to Wal-Greens and bought 8 packets of silly bands each that were heart shaped. Each packet had 14 silly bands. Each boy gave their grandma 4 silly bands. How many total silly bands did they both have left altogether
104 silly bands
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3,3
78.8+444.2=?
523.0
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3,4
Write 543,000,000,000 in Scientific Notation
5.53x1012
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4,1
Estimate the answer of 27.488+7.7=?
35
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4,2
Ke$ha bought 3 hot pink and black dresses. The first one costed 60.50.
The 2nd one costed half as much as the first. The last one costed 3 times the amount as the second dress.
How much money did she spend on her 3rd dress?
$90.75
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4,3
856.78+23.76=?
883.02
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4,4
Write this 230,509,000 in Scientific Notation
2.30509x10
888888
8
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5,1
12.00
Estimate this answer 57.78-45.51
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5,2
A computer lab holds 6 stationary computers,
657 portable computers, and 1 ipad. They put in a grant for 79 more portable computers and won them. They had a flood and lost their ipad and 343 portable computers and 2 stationary computers. The insurance company gave them 21more portable computers. How many Computers do they have now?
429 computers
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5,3
987.8756534+276.9876543=?
710.8879991
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5,4
Write 0.000000000000000009878976 in Scientific notation
9.878976x10-18
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PAYTON and CHELSEA’s SLIDE SHOW!!!
• Scientific notation
• Solving word problems
• Dividing decimals
• Multiplying decimals
• Estimating sums and differences
• Dividing whole number by decimals
• Evaluating expressions
• Adding and subtracting decimals