1 :

Hint : null

Correct Answers:

  • 5 inches, 12 inches


Rationale :
Use the Pythagorean theorem A 2 +B 2=C 2.

Distractor Analysis :

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2 :

Hint : multiply

Correct Answers:

  • 9.61m2


Rationale :
The area of a square is 𝑠2 so 3.1×3.1=9.61

Distractor Analysis :

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3 :

Hint : Multiply by the reciprocal.

Correct Answers:

  • 3/5


Rationale :
Division of fractions: 3/8÷5/8=3/8×8/5 =3/5

Distractor Analysis :

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4 :

Hint : Negative numbers are smaller than positive ones.

Correct Answers:

  • -271.906, -193.823, 145.884, 235.971


Rationale :
Arrange numbers from most negative to most positive.

Distractor Analysis :

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5 :

Hint : Convert all to decimals

Correct Answers:

  • 9/2


Rationale :
Convert to decimals: 9/2=4.5

Distractor Analysis :

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6 :

Hint : Divide area by width.

Correct Answers:

  • 8 in


Rationale :
Area = width × length. Solve 4×𝐿=32 so 𝐿=8

Distractor Analysis :

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7 :

Hint : Identify fixed and variable costs.

Correct Answers:

  • 5c + 3.5r + 40 = T


Rationale :
Fixed charge of $40 plus costs for each tablecloth

Distractor Analysis :

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8 :

Hint : Divide

Correct Answers:

  • 1/6


Rationale :
Half remains, split among 3 friends: 1/2÷3=1/6

Distractor Analysis :

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9 :

Hint : Isolate 𝑥.

Correct Answers:

  • -27


Rationale :
Solve 4𝑥−3−5𝑥=24 ; 4x−3−5x=24 → −𝑥−3=24−x−3=24 → −𝑥=27 x=-27

Distractor Analysis :

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10 :

Hint : subtract

Correct Answers:

  • 21%


Rationale :
100%−(74%+3%+2%)=21%

Distractor Analysis :

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Total Questions: 10

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