Grade 7 Math Checkup

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1) A bag contains 3 red marbles, 4 white marbles, and 5 blue marbles. One marble is randomly selected from the bag.
What is the probability that the marble is not red? /
Write your answer as a proper fraction.
2) Name all six (6) factors of 12.
3) A millimetre is a tenth of a centimetre.
What part of a centimetre is 8 ½ millimetres? /
Write your answer as a proper fraction.

1 millimetre = 1/10 of a centimetre
4) (-4) - 4 - (-7) - (-1) =
5) Three-fifths of a piece of cheese weighs 24 grams.
How much does a whole piece weigh? grams
Grade Me! Clear Answer Key
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