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Math Vocabulary
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Which number is the LEAST? 18, 44, 1, 67, 18, 20
1 is the LEAST or smallest
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Is this how we find the MEAN (or average)? 4+5+6+7=22
No, you need to divide by the # of numbers. 4+5+6+7=22 What should be divide by?
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If I see the word OF, what operation do I use? + - x /
MULTIPLY
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If I see the word INCREASED, what operation do I use? + - x /
ADD
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Which number is the GREATEST? 18, 44, 1, 67, 18, 20
67 is the GREATEST or biggest number
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What is the RANGE of these numbers? 10, 6, 2
You subtract the LEAST from the GREATEST 10-2=8. 8 is the RANGE!
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If I see the word QUOTIENT, what operation do I use? + - x /
DIVISION
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If I see the word DECREASE, what operation do I use? + - x /
SUBTRACT
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If I see the word SUM, what operation do I use? + - x /
ADD
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Which number is the MODE? 18, 44, 1, 67, 18, 20 (HINT: MODE=MOST often)
18 occurs MOST often, so it is the MODE.
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If I see the word PER, what operation do I use? + - x /
DIVISION
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What does it mean to find the MODE?
It's the number that occurs most often!
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What does it mean to find the MEDIAN?
It's the middle number.
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What is another word for MEAN? What do you do when you need to find the MEAN?
Average; you add all the numbers and divide by the # of numbers
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If I see the word HALF, what operation do I use? + - x /
DIVISION
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Which number is the median? 6. 17, 53, 86, 99 (HINT: MEDIAN=medium)
53 is the median or the MIDDLE/MEDIUM number
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If I see the word ALTOGETHER, what operation do I use? + - x /
ADD
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If I see the word SHARED EQUALLY, what operation do I use? + - x /
DIVISION
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If I see the word PRODUCT, what operation do I use? + - x /
MULTIPLY
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If I see the word TOTAL, what operation do I use? + - x /
ADD
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If I see the word CHANGE, what operation do I use? + - x /
SUBTRACT
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If I see the word DOUBLE, what operation do I use? + - x /
MULTIPLY
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If I see the word DIFFERENCE, what operation do I use? + - x /
SUBTRACT
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