Write 0.00045 in Scientific Notation
4.5 x 10-4
0.001
Which number is larger
3 x 10-3 or 6 x 10-3
6 x 10-3
Evaluate 3x+5 When x=4
x=17
A symbol that represents an unknown value in an expression, equation, or inequality
Provide an Example
Variable
2K + 3 = 5
The variable is K
Write 0.00032 in Scientific Notation
3.2 x 10-4
What is 100
1
Which number is smaller?
8 x 10-2 or 5 x 10-3
5 x 10-3
Evaluate 2a -7 When a = 10
a = 13
A mathematical phrase with numbers, variables and operations but no equal sign.
Provide an Example
Expression
3x + 5
Write in Standard Form 7.6 x 10-5
0.000076
Identify the mistakes and correct them.
10-6 = -0.00006
1/10-6
No Negatives in decimals or fractions form
Should be a 1 and not a 6 in decimals Form.
10-6 = 0.000001
1/106
Put in Ascending order:
2 x 10-3 5 x 10-4 7 x 10-2
5 x 10-4
2 x 10-3
7 x 10-2
Simplify 4x + 3x
7x
A way to write very large or very small numbers using a number between 1 and 10 (But the number has to be less than 10).
Provide an Example:
Scientific Notation
A distance of 32,500,000 is written in scientific Notation. What is the correct form?
3.25 x 107
Write 10-4 in 3 different ways as a fraction.
1/104
1/10000
1/10 x 1/10 x 1/10 x 1/10
Put in Descending order:
6 x 10-1 9 x 10-3 4 x 10-2
6 x 10-1
4 x 10-2
9 x 10-3
Simplify 6y - 2y + 5
4y + 5
Numbers written as 10 raised to an exponent that shows how many times 10 is multiplied by itself
Provide an Example
Powers of Ten
A bacterium is 0.00000089 meters long. Write this number in scientific notation
8.9 x 10-7
Write 10-5 in three different fractions forms and decimal forms.
0.00001
1/105
1/100000
1/10x10x10x10x10
A student was asked to order these numbers from least to greatest.
2 x 10-4 8.1 x 10-4 5.3 x 10-4
The student answered:
8.1 x 10-4 5.3 x 10-4 2.7 x 10-4
What mistake did the student make?
2 x 10-4
5.3 x 10-4
8.1 x 10-4
All the numbers have the same exponent, so only the coefficient should be compared.
Evaluate the Expression
3x + 2(4x-5)-x
When x=6
50
Terms that have the same variable
Provide an Example
Like Terms
3x + 6x