zMath 160  - Unit 3: Adding and Rounding Fractions

Rounding Fractions to Nearest Half


1)

Round to the nearest half.


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2)

Round to the nearest half.


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3)

Estimate the answer by rounding each fraction to the nearest half.


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4) Estimate the answer by rounding each fraction to the nearest half.

 

 


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Select the letter of the correct answer.


5)

Which set of fractions below would round to 4 1/2 ?


Adding Fractions with Like Denominators Using Fraction Bars

6)

Find the sum. Use fraction bars to justify the answer.


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7)

Find the sum. Use fraction bars to justify the answer.


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Adding Fractions with Like Denominators


8)

Find the sum. Simplify when needed.


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9)

Find the sum. Simplify when needed.


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10)

Find the sum. Simplify when needed.


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Adding Fractions with Unlike Denominators Using Fraction Bars


11)

Find the sum. Use fraction bars to justify the answer.


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12)

Find the sum. Use fraction bars to justify the answer.


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Adding Fractions with Unlike Denominators


13)

Find the sum. Simplify when needed.


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14)

Find the sum. Simplify when needed.


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15)

Find the sum. Simplify when needed.


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Review


16)

Complete: Write an equivalent fraction for 7/8 .


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17)

Simplify:


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18)

Evaluate: 14-squared


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19)

Evaluate:


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20)

Evaluate:  12 + 5 × 3 – 33


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21)

Explain why 51 is not the next prime number after 47.


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22)

Find the prime factorization for 54. Write the answer as a product of prime factors.


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23)

Define a rational number and then give an example.


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24)

Find the GCF for 30 and 45.


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25)

Find the LCM of 15 and 12.


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