Transcript UNIT 1 Pictorial model

UNIT 1
• Pictorial model- a picture describing a situation or event
• Justify- to defend or uphold as warranted or well-grounded-to
back-up.
• Ascending-moving upward; rising
– Ex. 2, 3, 4, 5, 6,
• Descending-to go or pass from a higher to a lower place; move
or come down
– Ex. 10, 9, 8, 7, 6
• Equivalent-equal in value or measure.
– Ex. 5 = 5
• Inequality-the condition of being unequal.
– Ex. 7
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• Positive rational numbers- a positive number that can
expressed as a fraction
– Ex. 4/1
• Consecutive- following one another in uninterrupted
succession or order; such as 5, 6, 7, 8, 9,
• Decimals- a number representing less one using the tenths,
hundredths, etc.
– Ex. .08 or .37
• Terminating – has an ending point - stops
– Ex. .8897
• Repeating- a number or group of numbers that occurs again
and again
– Ex. .232323
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• Variety-a number of different types of things
• Evaluate-to ascertain the numerical value of; to determine or
set the value or amount of; appraise: to evaluate property
• Conclusion-a result, issue, or outcome; a reasoned thought
• Drawn-to come to a conclusion
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• Improper fraction-a fraction having the numerator greater
than the denominator.
– Ex.
9/2
• Mixed numbers-a number consisting of a whole number and
a fraction or decimal,
– Ex. 4 1/2 or 4.5
• > - greater than
– Ex. 9 > 3
• < - less than
– Ex. 5 < 12
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Percent- a number expressed on the basis of a rate or proportion
per hundred ex: interest rate, discount, tax, tips.
Fraction-a way of expressing a quantity based on an amount that
is divided into a number of equal-sized parts.
Integer-one of the positive or negative numbers 1, 2, 3, etc., or
zero.
Natural numbers-a positive integer or zero
Counting numbers- a positive integer or zero