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25 Cards in this Set
- Front
- Back
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Are zeros and negative numbers integers?
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Yes
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Is zero an even number?
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Yes
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Define Prime number.
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Integer greater 1 that has no factors other than 1 and itself. 2 is the smallest prime number, and the only even. 2, 3, 5, 7, 11, 13, 59, 83
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What are the factors of 12?
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1, 2, 3, 4, 6, 12
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What is the Least Common Multiple (LCM) of 36 and 12? other than zero.
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36; b/c 3x 12 = 36, and 36 x1 =36
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What is the LCM of 50 and 120?
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600: do the tree method. 50 =2x5x5, 120 =3x4x2x5, What do they have in common? 2x5. Now take 2x5x5x3x4=600, you only use 2x5 once. get it?
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What is the Greatest Common Factor (GCF) of 40 and 140?
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20; different from LCM. 40=2x2x2x5, 140=2x2x5x7. The common factors are 2x2x5. this = 20. The 20 is found in both 40 and 140 when factoring.
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Note: Mutiple means to increase and Factoring means to ___
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decrease. example: multiples of 12 is 12, 24, 36, and factors of 12 is 1, 2, 3, 4, 6, 12.
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How do you know the integer is a multiple of 3?
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add all the digits and see if that number is a multiple of 3.
Example 558, 5+5+8 = 18, yes, b/c 3 can go into 18. |
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How do you know the integer is a multiple of 4?
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Last 2 digits of the number has to be a multiple of 4. Examples are: 336, 224, 548, NOT 558. 36, 24, and 48, all have it where 4 can go into.
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How do you know the integer is a multiple of 6?
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Last digit is even and multiple of 3. So if 2 and 3 can go in it, then 6 can.
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How do you know the integer is a multiple of 9?
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Add all the digits, has to equal to 9.
Like 558 is 5+5+8 = 18 is 1+8 =9, yup it works. |
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T/F Addition can happen when exponents and bases are the same.
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T; look at p. 81 in kaplan
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If given C degree calculate the F degree.
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C x9/5 + 32 = F
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What words would you hear in problems when it is talking about division?
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divided by, over, quotient, per, out of, into
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What words would you hear in problems when it is talking about multiply?
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times, product, multiplied by, of, twice, double, triple.
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How many gm in oz?
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28 gm = 1 oz mass
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oz in cup?
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8oz
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cup in liter?
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4.23 cups
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tbsp in cup?
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16 tbsp
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tsp in cup?
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48 tsp
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1 lb =? oz
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16oz
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1 in = ? cm
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2.54 cm
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1 mile = ?ft
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5280 ft
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1 meter = ?ft
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3.28 ft
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