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1.2 Review (8th Grade Math)
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Write all names that apply to each number in this real world situation: a baseball game is half way through the 7th inning.
Rational and real because they are 7.5 innings in.
Write all names that apply to each number in this real world situation: the circumference of a pizza
Irrational and real because the formula for circumference uses pi
Write all names that apply to each number in this real world situation: baking instructions that want you to add a quarter cup of honey
Rational and real because it is a fraction
Write all names that apply to each number in this real world situation: The elevation of a house sitting below sea level.
Integer or rational number because it is negative but we don't know if it is a whole number or a fraction
True or false: all irrational numbers are rational numbers.
False! Irrational numbers are irrational!
Say all names that apply
Integer, rational, and real
Say all names that apply
Rational and real
Say all names that apply.
Whole, integer, rational, and real
Say all names that apply.
Irrational
True or false: no rational numbers are whole numbers.
False: a whole number can be written as a fraction with a denominator of 1.
True or false: All irrational numbers are real numbers
TRUE
What is the definition of an integer?
The set of whole numbers and their opposites.
What is the definition of a rational number?
A number that can be expressed as a ratio a/b where a and b are integers and b is not equal to 0.
Fill in the blanks 1-4.
1. Whole numbers 2. Integers 3. Rational numbers 4. Irrational numbers
True or false: real numbers consist of all the numbers on the number line
True
What is included in the set of real numbers?
Irrational numbers, rational numbers, integers, and whole numbers
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