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Quarter 2Test 5 Review
XVII. DivisibilityXVIII. Prime/Composite & Prime
FactorizationXIX. GCFXX. LCM
XXI. Equivalent FractionsXXII. Simplest Form
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Review of Simplest Form:
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Write each fraction in simplest form.1) 35 2) 46 3) 56 4)
64 40 8 72
4
1) 7/8 2) 5 ¾ 3) 7/9 4) 16
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Find the GCF and LCM for each set of numbers.
1) 15, 18, 24 2) 20, 32, 48
3) 12, 18, 36 4) 15, 60, 75
1) GCF: 3 LCM: 360 2) GCF: 4 LCM: 480
3) GCF: 6 LCM: 36 4) GCF: 15 LCM: 300
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Make equivalent fractions.1) 3/4 = 21/? 2) 2/3 = ?/27 3) ?/15 = 108/135
1) ?= 28 2) ? =18 3) ?= 12
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1) 34
2) 22 x 52
3) 25 x 3 x 5
Give the prime factorization of each number in exponential form in
ascending order. 1 ) 81 2) 100 3) 480
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Answers: 1) 2, 3, 4, 6 2) 2, 4, 5, 10 3) 2, 3, 6
4) 2, 3, 6 5) 2, 3, 4, 6, 9 6) 2, 3, 4, 5, 6, 9, 10
Tell if the given number is divisible by 2, 3, 4, 5, 6, 9, 10.
1) 312 2) 140 3) 1384) 762 5) 864 6) 900
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Write each as a fraction.
1) 2 3/5 2) 7 3) 5 8/11
1) 13/5 2) 7/1 3) 63/11
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Remember, on the day of the test, to bring at least two pencils with erasers!