Subtract Rational Numbers and Understand The Absolute Value of Their Difference: CCSS.Math.Content.7.NS.A.1c - Common Core: 7th Grade Math
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Solve:
Solve:
The problem indicates that the result is 
units more negative than 
, which is 
.
The problem indicates that the result is
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Solve:
Solve:
When subtracting with a negative sign, it turns into addition. Now we have 
. The answer is 
.
When subtracting with a negative sign, it turns into addition. Now we have
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When we subtract a negative number, the sign turns positive. It becomes an addition problem. 
.
When we subtract a negative number, the sign turns positive. It becomes an addition problem.
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Solve:
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
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
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Subtract: 
Subtract:
Distribute the negative sign through the parentheses. Double negatives equal a positive.
The answer is 
.
Distribute the negative sign through the parentheses. Double negatives equal a positive.
The answer is
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When minus signs meet, the sign becomes positive. This becomes an addition problem. Answer is 
.
When minus signs meet, the sign becomes positive. This becomes an addition problem. Answer is
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When two minus signs meet, the sign becomes positive. Since 
is greater than 
and is negative, our answer is negative. We treat as a subtraction problem. Answer is 
.
When two minus signs meet, the sign becomes positive. Since
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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 
.
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
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Two minus signs become a plus sign. It's now an addition problem. Since 
is greater than 
and is negative, our answer is negative.
We treat as a normal subtraction.
Answer is 
Two minus signs become a plus sign. It's now an addition problem. Since
We treat as a normal subtraction.
Answer is
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Solve:
Solve:
Two minus signs becomes a plus sign. Since 
is greater than 
and is positive, our answer is positive. We treat as a normal subtraction. Answer is 
.
Two minus signs becomes a plus sign. Since
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Solve:
Solve:
Two minus signs become a plus sign. This is just simple addition. Answer is 
.
Two minus signs become a plus sign. This is just simple addition. Answer is
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Two negative signs become a plus sign. This is now an addition problem.
Answer is 
Answer is
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Two negative signs become a plus sign. Since 
is greater than 
and is positive, our answer is positive. We treat as a normal subtraction.
Answer is 
Answer is
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Two minus signs become a plus sign. Since 
is greater than 
and is negative, our answer is negative. We treat as a normal subtraction.
Answer is 
.
Answer is
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Use the number line provided to help solve the following problem:
Use the number line provided to help solve the following problem:
In order to solve this problem, we need to start at 
on the number line.
Next, we have 
which means we need to move 
places to the left on the number line. When we have an addition sign 
we move to the right because that is towards the positive side of the number line. When we have a subtraction sign 
we move to the left because that is towards the negative side of the number line.
The orange arrow moved 
places to the left, and ended at 
; thus,
In order to solve this problem, we need to start at
Next, we have
The orange arrow moved
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Use the number line provided to help solve the following problem:
Use the number line provided to help solve the following problem:
In order to solve this problem, we need to start at 
on the number line.
Next, we have 
which means we need to move 
places to the left on the number line. When we have an addition sign we move to the right because that is towards the positive side of the number line. When we have a subtraction sign we move to the left because that is towards the negative side of the number line.
The orange arrow moved 
places to the left, and ended at 
; thus,
In order to solve this problem, we need to start at
Next, we have
The orange arrow moved
Compare your answer with the correct one above
Use the number line provided to help solve the following problem:
Use the number line provided to help solve the following problem:
In order to solve this problem, we need to start at 
on the number line.
Next, we have 
which means we need to move 
places to the left on the number line. When we have an addition sign we move to the right because that is towards the positive side of the number line. When we have a subtraction sign we move to the left because that is towards the negative side of the number line.
The orange arrow moved 
places to the left, and ended at 
; thus,
In order to solve this problem, we need to start at
Next, we have
The orange arrow moved
Compare your answer with the correct one above
Use the number line provided to help solve the following problem:
Use the number line provided to help solve the following problem:
In order to solve this problem, we need to start at 
on the number line.
Next, we have 
which means we need to move 
places to the left on the number line. When we have an addition sign we move to the right because that is towards the positive side of the number line. When we have a subtraction sign we move to the left because that is towards the negative side of the number line.
The orange arrow moved 
places to the left, and ended at 
; thus,
In order to solve this problem, we need to start at
Next, we have
The orange arrow moved
Compare your answer with the correct one above
Use the number line provided to help solve the following problem:
Use the number line provided to help solve the following problem:
In order to solve this problem, we need to start at 
on the number line.
Next, we have 
which means we need to move 
places to the left on the number line. When we have an addition sign we move to the right because that is towards the positive side of the number line. When we have a subtraction sign we move to the left because that is towards the negative side of the number line.
The orange arrow moved 
places to the left, and ended at 
; thus,
In order to solve this problem, we need to start at
Next, we have
The orange arrow moved
Compare your answer with the correct one above
Use the number line provided to help solve the following problem:
Use the number line provided to help solve the following problem:
In order to solve this problem, we need to start at 
on the number line.
Next, we have 
which means we need to move 
places to the left on the number line. When we have an addition sign we move to the right because that is towards the positive side of the number line. When we have a subtraction sign we move to the left because that is towards the negative side of the number line.
The orange arrow moved 
places to the left, and ended at 
; thus,
In order to solve this problem, we need to start at
Next, we have
The orange arrow moved
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