8.NS.1 Rational and Irrational Numbers
8.EE.1 Exponents
8.EE.2 Square Roots and Cube Roots
8.EE.3 Scientific Notation and Standard Form
8.EE.4 Scientific Notation Operations
100
Is pi an example of a rational or irrational number?
An irrational number.
100
What is 23?
8
100
What is √4?
2
100
What is 4.08 times 105?
408,000
100
What is (4 x 105)(5.1 x 107)
2.04 x 1012
200
Is 1.5... a rational or irrational number?
An irrational number.
200
What is (c6)5?
c30
200
What is the cube root of 27?
3
200
Write 177,000,000 in Scientific Notation.
1.77 times 108
200
What is (5 x 104)(7 x 106)?
3.5 x 1010
300
What is 0.3 repeating?
A rational number.
300
What is h6 times h2
h8
300
What is the length of the sides of a square that has the area of 100 cm?
10 cm
300
When do you move the decimal to the left?
When the exponent is negative.
300
What is (5 x 104)/(5 x 104)?
1 x 100
400
What is a rational number?
A whole number, a fraction, a repeating decimal, and a terminating decimal.
400
How do you know when to multiply the exponents?
When there are parentheses in the problem.
400
What two whole numbers is √40 between?
6 and 7
400
Write 0.000008 in Scientific Notation.
8 times 10-6
400
What is (8 x 106)/(2 x 104)
4 x 102
500
What is an irrational number?
A non-repeating and non-terminating decimal.
500
How do you know when to add the exponents?
When there is just a multiplication sign and no parentheses.
500
What is the difference between a square root and a cube root?
You multiply the number by itself twice with a square root. You multiply the number by itself three times with a cube root.
500
When do you move the decimal to the right?
When the exponent is positive
500
When do you subtract the exponents?
When the problem is division
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