Pre-Algebra : Operations and Properties
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Example Questions
Example Question #251 : Operations
Solve:
Use the order of operations to solve this. A negative number that is not in parentheses squared will remain negative.
Example Question #252 : Operations
Simplify:
Simplify the numerator and the denominator first.
Divide the terms inside the parentheses.
Distribute the negative sign. Double negatives will result in a positive sign.
Example Question #4 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
Since 
Example Question #5 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
When a plus and minus sign meet, the sign is negative. The difference is 
Example Question #6 : Understand Distances Between Numbers On A Number Line: Ccss.Math.Content.7.Ns.A.1b
When a plus and a minus meet, the sign is negative. When adding two negatie numbers, we treat as addition and add the minus sign in the end. Answer is 
Example Question #4 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c
When minus signs meet, the sign becomes positive. This becomes an addition problem. Answer is 
Example Question #253 : Operations
This is also the sum of two negative numbers. In this case, we add the numbers and then add a minus sign in the end. Answer is 
Example Question #5 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c
When two minus signs meet, the sign becomes positive. Since 
Example Question #3 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a
When a positive number and a negative number is multiplied, the answer is negative. Just multiply normally. Answer is 
Example Question #4 : Interpret Products Of Rational Numbers And Understand Properites Of Operations: Ccss.Math.Content.7.Ns.A.2a
When two negative numbers are multiplied, the answer is positive. Multiply normaly. Answer is 
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