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# Algebra Readiness C1

### Chapter 1

QuestionAnswer
To better understand the value of each digit in a number, we can write it in place value (ones, tens, thousands, etc.)
When converting numbers to words or writing numbers in standard form, you always start at the left
The word "and" is not included when reading or writing numbers True
How many place values are in a period? 3 digits (e.g., 1,000)
______ is finding a number close to the exact number, but easier to work with. Rounding
Commutative The property which states that changing the order when adding numbers does not change the sum.
The answer to a subtraction problem is called a Sum
Any number minus itself is Zero
To find the _____________ of a figure, add the lengths of all its sides. Perimeter
The procedure for creating a plan in symbols or words and performing calculations is called Problem Solving
Numbers multiplied are called Factors
Do what is in the parenthesis first
The answer to a multiplication problem is called a Product
Associative Property States that the changing the grouping when multiplying numbers does not change the product
The number you are dividing by is the Divisor
The answer to a division problem is called a Quotient
Check division by using multiplication
Zero divided by any non-zero number is Zero
The answer to a multiplication problem is called a product
A shortcut for repeated multiplication is called an exponent
Any number raised to the power of 1 is the number itself. Any non-zero number raised to the power of 0 is equal to 1
We say _____ for an exponent of 2 Squared
We say _____ for an exponent of 3 Cubed
Rapid growth is called exponential growth
The ____ is the number, or factor being multiplied by itself Base
The ____ is the number of times the base is used as a factor Exponent
When simplifying an expression using the order of operations, always evaluate what is inside the _____ or other grouping symbols first Parenthesis
PEMDAS (Please excuse my aunt sally) Parenthesis; Exponents; Multiply and Divide; Add and Subtract (in order of left to right)
Other symbols also act like a parenthesis: [ ]; { }; fraction bars
The _____ of a rectangle is found by multiplying its length times its width Area
What two steps need to be done before calculation in solving a problem? Understanding the problem and Create a Plan
Problem Solving 4 steps Understand the problem; create a plan; find the answer; check the answer
Addition key words (6) Sum; increased by; plus; added to; more than; total
Subtraction key words (7) difference; decreased by; how many more; minus; less than; take away; subtracted from
Multiplication key words (5) product; twice (multiple x2); triple (multiple by 3); times; of
Division key words (4) Quotient; divided by; divided into; per
The area of a figure is the measure of the surface inside the figure
Created by: ymoseley