2. Another M.B. Alluisi Production Copyright Norfolk Public Schools, 2005 Grade 8 Mathematics Review Spring 2004 Released Test Items

3. Directions Clicking on the correct answer will allow the puppy one piece of pepperoni Feed the puppy all the pepperoni to complete the activity

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5. Which is equivalent to the following? 7 · 3 + 4 · 6 7 · 3 + 6 · 4 7 · 42 7 · 4 + 3 · 6 25 · 6

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7. Look at the set shown below. {2a, 3a, 4a} If a is a prime number, how many members of the set are also prime? 0 3 1 2

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9. Which is equivalent to 13 – 3 3 ? 7 -14 4 -10

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11. A = {2, 3, 5, 7, 11, 19, 23, 29} All numbers in A are odd. All numbers in A are composites. All numbers in A are prime. All numbers in A are even.

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13. What is the value of (12 – 8) 2 + 21 – 4? 1 1,089 3 33

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15. 2.0 in. 3.5 in. 2.5 in. 3.0 in. The weather forecaster checked and emptied a rain gauge six times one day. The measurements in inches were 0.243, 0.595, 0.903, 0.756, 0.398, and 0.112. Which is the best estimate of the total rainfall that day?

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17. What is the value of 6n(n-1) + 4, when n = 3? 44 19 40 36

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19. Which of the following is not a perfect square? 49 99 64 81

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21. A flight engineer for an airline flies an average of 2,923 miles per week. Which is the best estimate of the number of miles she flies in 3 years? 150,000 600,000 300,000 450,000

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23. oxide magnesium magnesium oxide oxygen magnesium magnesium oxygen

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25. They have high melting points They conduct electricity when dissolved in water They have low melting points They form crystals

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27. as a solid when warmed slightly when dissolved in water as a crystal

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29. ionic bond crystal bond covalent bond polyatomic bond

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31. impossible ionic weak. covalent

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33. 1 4 2 3

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35. It is an ionic compound The opposite pulling of its polar bonds cancel out Its nonpolar bond is stronger than its polar bond Its bonds are nonpolar

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37. physical change freezing chemical change conservation

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39. physical change chemical formula chemical change chemical equation

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41. a chemical bond a chemical change conservation of matter heat

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43. a physical change surface area increases a chemical reaction matter is destroyed

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