Scientific Notation
Write in Scientific Notation
5,000
5.0 x 103
Write the symbol for the expression below and evaluate.
Two to the power of seven.
27 = 128
Write Method A, B, and C of the number below.
4, 576
A - 4000 + 500 + 70 + 6
B - 4x1000 + 5x100 + 7x10 + 6x1
C - 4x103 + 5x102 + 7x101 + 6x100
Is 1 a perfect square?
√1 = 1
YES
True or false: Irrational numbers have decimals that terminate.
Rational numbers have decimals that never terminate.
True
False
Write in Scientific Notation
100,000
1 x 105
Write the symbol for the following expression and evaluate.
3 to the fourth power
34 = 81
Write the following number in written form.
458.756
Four hundred fifty-eight AND seven hundred fifty-six thousandths
Is 81 a perfect cube?
√81 = 9
It is a perfect square but NOT a perfect cube.
Which of the following rational categories would this number fall under?
-10
What are integers and rational?
Write in Standard Form
2.5 x 104
25,000
Calculate - 1.32
1.69
Write the following number in expanded form.
458.756
400 + 50 + 8 + 7/10 + 5/100 + 6/1000
or
4x100 + 5x10 + 8x1 + 7x1/10 + 5x1/100 + 6x1/1000
4x102 + 5x101 + 8x100 + 7x10-1 + 5x10-2 + 6x10-3
If 132 is 169, then what is the square root of 169?
√169 = 13
Is the following number rational or irrational? How do you know?
-7/5
It is rational because it can be expressed as a fraction.
Write in Scientific Notation
0.0000036
3.6 x 10-6
Write the following expression in repeated multiplication and solve using the tree.
125
12 * 12 * 12 * 12 * 12 = 248, 832
Rewrite the numbers below and put a decimal point in each number so the digit 5 has a value of 5/100. Add zeros where necessary.
5 75 675
What is
0.005
0.075
0.675
Estimate what perfect squares the square root of 54 would fall between.
Estimate what perfect squares the square root of 250 would fall between.
Square root 54 would fall between 49 and 64; therefore, it would fall between 7 and 8.
Square root 250 would fall between 225 and 256; therefore, it would fall between 15 and 16.
Is the following number rational or irrational? How do you know?
0.875
It is rational because it can be expressed as a fraction and the decimal terminates.
Write in Scientific Notation
0.000589078
5.8 x 10-4
Exponent Rule - any number raised to the power of 0 is equal to ...
1
List all perfect squares from 0-10 (Grade 7s) and 0-20 (Grade 8s)
Teacher will look around.
For each rational category, list an example of each.
Hint: natural, whole...
Provide an example of an irrational number.
Natural (counting): 2
Whole: 0
Integers: (-6)
Rational (terminating and repeating decimals)
terminating - 0.75
repeating - 0.333333...
Irrational - 0.3465797685 or any square root of a prime number