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Algebra Readiness C1
Chapter 1
Question | Answer |
---|---|
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 |