Adding Subtracting Multiplying and Division

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction

• Rewrite the fractions in the simplest form. 

• Find a common denominator. 

• Make each fraction into an improper faction. 

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CCSS.7.NS.A.1C

12.931 + 9.67 = 

• 22.601

• 103.601

• 21.998

• 3.261

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CCSS.6.NS.B.3

7.8 + 1.34 = 

• 9.14

• 2.12

• 6.46

• 8.42

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CCSS.6.NS.B.3

8.42 - 5.14

• 328

• 3.28

• .328

• 32.8

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CCSS.6.NS.B.3

15.8 - 9.67

• 613

• 0.613

• 6.13

• 61.3

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CCSS.6.NS.B.3

0.2 x 0.8

• 16

• 0.16

• 0.016

• 1.6

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CCSS.6.NS.B.3

4 x 0.03

• 12

• 0.12

• 120

• 0.012

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CCSS.6.NS.B.3

0.18 x 2

• 3.6

• 36

• 0.36

• 0.036

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CCSS.6.NS.B.3

Nancy was buying food for her birthday party. She bought a 52.93 oz bag of barbeque chips and a 79.6 oz bag of regular chips. How many ounces did she buy all together?

• 132.53

• 129.99

• 133.45

• 27.33

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CCSS.6.NS.B.3

Vanessa downloaded two apps which were 17.73 kb total. If one app was 8.63 kb, how big was the other app?

• 26.36

• 9.1

• 9.70

• 25.6

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CCSS.6.NS.B.3