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Adding & Subtracting Negative Number Worksheets

This section provides comprehensive practice for 7th grade students learning to add and subtract negative numbers. The six worksheet types cover essential skills from using number line helpers to working with rational numbers and understanding distance concepts. Students develop fluency with positive and negative integer operations through varied problem formats.

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7th Grade

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Adding & Subtracting

About these worksheets

Students practice adding and subtracting with negative numbers. Worksheets include using helper number lines, computing with positive and negative integers, adding and subtracting to zero, working with rational numbers as decimals, and showing distance on a number line. Aligned with seventh grade number system standards.

Adding & Subtracting Negative Number Worksheets - Standard Form With Numberline worksheet

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Standard Form With Numberline

7ns1a

Add and subtract negative numbers to find the correct answer.
Use a number line to show each move when you add or subtract integers.
Decide which direction to move on the number line for adding vs. subtracting a negative.

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Adding & Subtracting Negative Number Worksheets - Standard Form worksheet

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Standard Form

7ns1a

Add and subtract positive and negative integers correctly.
Use the plus and minus signs to tell whether a number is a gain or a loss.
Find the sum or difference when both numbers are negative.
Handle problems where subtracting a negative turns into adding.

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Adding & Subtracting Negative Number Worksheets - Adding & Subtracting to Zero worksheet

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Adding & Subtracting to Zero

7ns1a

Add positive and negative integers and see when they cancel to make 0.
Recognize opposite numbers (like 7 and -7) and use them to make a sum of 0.

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Adding & Subtracting Negative Number Worksheets - Adding and Subtracting Rational Numbers worksheet

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Adding and Subtracting Rational Numbers

7ns1d

Add and subtract positive and negative numbers correctly.
Work with rational numbers written as decimals.
Keep track of signs and absolute value to decide whether the answer should be positive or negative.

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Adding & Subtracting Negative Number Worksheets - Showing Distance with a Numberline worksheet

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Showing Distance with a Numberline

7ns1b

Use a number line to add a negative number by moving left from the starting point.
Use a number line to add a positive number by moving right from the starting point.
Keep track of where you land when you make several jumps on a number line with negative numbers.

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Adding & Subtracting Negative Number Worksheets - Find Positive and Negative Sums on a Numberline worksheet

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Find Positive and Negative Sums on a Numberline

7ns1b

Use a number line to add and subtract positive and negative numbers by moving left and right.
Start at the first number and make the correct size jumps for the second number, including when it is negative.
Figure out whether the answer should be positive or negative based on where you land on the number line.
Read the final position on the number line and write it as an integer.

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Adding & Subtracting Negative Number Worksheets - Adding Integer Changes from a Table worksheet

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Adding Integer Changes from a Table

7ns1b

Add a series of positive and negative changes
Keep track of the sign of a running total
Read signed values out of a table
Apply a net change to a signed starting value

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Adding & Subtracting Negative Number Worksheets - Matching an Integer Expression to a Number Line worksheet

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Matching an Integer Expression to a Number Line

Match an integer expression to the number line that represents it
Read the first term as a jump from zero and the second as a jump from where the first ended
Recognize that adding a negative and subtracting a positive both move left
Work out which expression a number line shows by reading its jumps and its marked result

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Adding & Subtracting Negative Number Worksheets - Estimating Integer Sums and Differences worksheet

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Estimating Integer Sums and Differences

Round a negative number to a named place.
Estimate a sum or difference of two integers.
Decide which side of zero the answer falls on.

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Adding & Subtracting Negative Number Worksheets - Choosing a Reasonable Estimate with Integers worksheet

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Choosing a Reasonable Estimate with Integers

Judge whether an estimate is the right size.
Judge whether an estimate is on the right side of zero.
Rule out an estimate whose signs were ignored.

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Adding & Subtracting Negative Number Worksheets - Is the Integer Answer Reasonable? worksheet

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Is the Integer Answer Reasonable?

Estimate an integer sum or difference.
Compare a given answer against that estimate.
Decide whether the answer could be correct.

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Adding & Subtracting Negative Number Worksheets - Estimating with Integers (Word) worksheet

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Estimating with Integers (Word)

Read a starting value and a change from a story.
Decide whether the change is positive or negative.
Estimate the result.

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Adding & Subtracting Negative Number Worksheets - Adding Integers with Counters worksheet

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Adding Integers with Counters

7ns1d

Read an integer sum from a counter model.
Identify the zero pairs in a model.
Explain that a positive and a negative counter make zero.

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Adding & Subtracting Negative Number Worksheets - Choosing the Counter Model for an Integer Sum worksheet

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Choosing the Counter Model for an Integer Sum

7ns1d

Match an integer expression to a counter model.
Use the sign of a number to decide a counter colour.
Reject a model that ignores the signs.

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Adding & Subtracting Negative Number Worksheets - Showing an Integer Sum on a Number Line worksheet

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Showing an Integer Sum on a Number Line

7ns1d

Draw a jump from zero to the first number.
Draw a second jump in the direction of the sign.
Mark where the sum lands.

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Adding & Subtracting Negative Number Worksheets - Reading an Integer Sum from a Number Line worksheet

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Reading an Integer Sum from a Number Line

7ns1d

Read a starting value off a number line.
Read the size and direction of a jump.
Read where a sum lands.

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Adding & Subtracting Negative Number Worksheets - Showing an Integer Sum with Hops on a Number Line worksheet

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Showing an Integer Sum with Hops on a Number Line

7ns1d

Start at the first number on a number line.
Draw one hop per unit in the direction of the sign.
Read the sum where the hops land.

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Adding & Subtracting Negative Number Worksheets - Reading an Integer Sum from Hops on a Number Line worksheet

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Reading an Integer Sum from Hops on a Number Line

7ns1d

Count the hops on a number line to find a change.
Read a starting value and a landing value.
Fill in the missing number in an equation.

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Adding & Subtracting Negative Number Worksheets - Choosing the Number Line for an Integer Sum worksheet

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Choosing the Number Line for an Integer Sum

7ns1d

Match an integer equation to a number line model.
Check that the hops start at the first number.
Check that the hops go in the direction of the sign.

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Adding & Subtracting Negative Number Worksheets - Writing the Integer Equation Shown on a Number Line worksheet

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Writing the Integer Equation Shown on a Number Line

7ns1d

Read the starting value from the dot.
Count the hops to find the change.
Write the complete equation the model shows.

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Adding & Subtracting Negative Number Worksheets - Evaluating an Integer Expression from a Story worksheet

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Evaluating an Integer Expression from a Story

Read a three-term integer expression.
Evaluate it in order.
Recognize what the brackets around a negative term mean.

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Adding & Subtracting Negative Number Worksheets - Adding and Subtracting Three Integers worksheet

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Adding and Subtracting Three Integers

Add and subtract three integers in order.
Keep a running total across a change of sign.
Read a negative term written in brackets or as a subtraction.

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Adding & Subtracting Negative Number Worksheets - Adding and Subtracting Integers (Word) worksheet

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Adding and Subtracting Integers (Word)

Decide which quantities in a story are negative.
Add and subtract integers across two changes.
Write an answer that may be below zero.

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