Common Core: 7th Grade Math : Subtract Rational Numbers and Understand The Absolute Value of Their Difference: CCSS.Math.Content.7.NS.A.1c
Study concepts, example questions & explanations for Common Core: 7th Grade Math
All Common Core: 7th Grade Math Resources
Example Questions
Example Question #1 : Negative Numbers
Solve:
The problem indicates that the result is 
Example Question #1 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c
When we subtract a negative number, the sign turns positive. It becomes an addition problem. 
Example Question #2 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c
Solve:
Remember that subtracting a negative number is just like adding the positive of that number, because you move to the right (more positive) on the number line. Therefore
Example Question #3 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c
Subtract:
Distribute the negative sign through the parentheses. Double negatives equal a positive.
The 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 #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 #6 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c
Two minus signs become a plus sign. It's now an addition problem.
Add the ones digits together:
Add the tens digits together:
Combine the ones and tens digit to get final answer.
Answer is 
Example Question #4 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c
Two minus signs become a plus sign. It's now an addition problem. Since 
We treat as a normal subtraction.
Answer is
Example Question #6 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c
Solve:
Two minus signs becomes a plus sign. Since 
Example Question #5 : Subtract Rational Numbers And Understand The Absolute Value Of Their Difference: Ccss.Math.Content.7.Ns.A.1c
Solve:
Two minus signs become a plus sign. This is just simple addition. Answer is 
All Common Core: 7th Grade Math Resources
