Worksheet on Addition and Subtraction using a Number Line

Worksheet on Addition and Subtraction using Number Line helps little ones who wanted to practice adding and subtracting on a number line. Kids can learn how to add and subtract 2 numbers using a number line by referring to the various problems.

6th Grade Math Addition and Subtraction using Number Line Worksheet will help you solve simple addition, subtraction problems by applying counting skills and build basics in you. Download the PDF Format of Adding and Subtracting on a Number Line Worksheet over here and solve the questions for free.

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Adding and Subtracting on a Number Line Worksheet

I. Evaluate the following using a number line:
(i) (+4) + (+5)
(ii) 0 + (+7)
(iii) (+8) + (+4)
(iv) (+3) + (2)
(v) (+9) + (+2)

Solution:

(i)worksheet on addition and subtraction using number line example1
The first step is to locate the first number which is +4 on the number line.
To add +5 means we have to move to the +5 units to the right.
By doing so, we end up at +9.
Therefore, the sum is +9.
(ii) worksheet on addition and subtraction using number line example2
The first step is to locate the first number which is 0 on the number line.
To add +7 means we have to move to the +7 units to the right.
By doing so, we end up at +7.
Therefore, the sum is +7.
(iii) worksheet on addition and subtraction using number line example3
The first step is to locate the first number which is +8 on the number line.
To add +4 means we have to move to the +4 units to the right.
By doing so, we end up at +12.
Therefore, the sum is  +12.
(iv)  worksheet on addition and subtraction using number line example4
The first step is to locate the first number which is +3 on the number line.
To add +2 means we have to move to the +2 units to the right.
By doing so, we end up at +5.
Therefore, the sum is+5.
(v) worksheet on addition and subtraction using number line example 5
The first step is to locate the first number which is +9 on the number line.
To add +2 means we have to move to the +2 units to the right.
By doing so, we end up at +11.
Therefore, the sum is +11.


II. Use a number line to evaluate each of the following:
(i) (-1) + (+5)
(ii) 0 + (+2)
(iii) (-3) + (+6)
(iv) (-4) + (+3)
(V) +3 + 5
(Vi) +9 – 6

Solution:

(i) worksheet on addition and subtraction using number line example 6
Locate the first point -1 on the number line.
To add +5 means, we have to move 5 points to the right of the number line. The result is +4.
(ii) worksheet on addition and subtraction using number line example 7
Locate the first point 0 on the number line.
To add +2 means, we have to move 2 points to the right of the number line. The result is +2.
(iii) worksheet on addition and subtraction using number line example 8
Locate the first point -3 on the number line.
To add +6 means, we have to move 6 points to the right of the number line. The result is +3.
(iv) worksheet on addition and subtraction using number line example 9
Locate the first point -4 on the number line.
To add +3 means, we have to move 3 points to the right of the number line. The result is-1.
(v) worksheet on addition and subtraction using number line example 10
Locate the first point +3 on the number line.
To add +5 means, we have to move 5 points to the right of the number line. The result is+8.
(vi) worksheet on addition and subtraction using number line example 11
Locate the first point +9 on the number line.
To add -6 means, we have to move 6 points to the right of the number line. The result is+3.


III. Solve the given:
(i) +15 – 3
(ii) +20 – 10
(iii) -18 + 5
(iv) +4 + 5
(v) -16 + 4

Solution:

(i) worksheet on addition and subtraction using number line example 12
Locate the first point +15 on the number line.
To add -3 means, we have to move 3 points to the left of the number line.
The result is+12.
(ii) worksheet on addition and subtraction using number line example 13
Locate the first point +20 on the number line.
To add -10 means, we have to move 10 points to the left of the number line.
The result is+10.
(iii) worksheet on addition and subtraction using number line example 14
Locate the first point -18 on the number line.
To add 5 means, we have to move 5 points to the right of the number line.
The result is -13.
(iv) worksheet on addition and subtraction using number line example 15
Locate the first point +4 on the number line.
To add +5 means, we have to move 5 points to the right of the number line.
The result is +9.
(v) worksheet on addition and subtraction using number line example 16
Locate the first point -16 on the number line.
To add +4 means, we have to move 4 points to the right of the number line.
The result is -12.


IV. Add the following using number line:
(i) (+5) + (-2)
(ii) (+7) + (-2)
(iii) (+6) + (-9)
(iv) 0 + (-4)
(v) (-2) +(-7)

Solution:

(i) worksheet on addition and subtraction using number line example 17
Locate the first point +5 on the number line.
To add -2 means, we have to move 2 points to the left of the number line.
The result is +3.
(ii) worksheet on addition and subtraction using number line example 18
Locate the first point +7 on the number line.
To add -2 means, we have to move 2 points to the left of the number line.
The result is +5.
(iii) worksheet on addition and subtraction using number line example 19
Locate the first point +6 on the number line.
To add -9 means, we have to move 9 points to the left of the number line.
The result is-3.
(iv) worksheet on addition and subtraction using number line example 20
Locate the first point 0 on the number line.
To add -4 means, we have to move 4 points to the left of the number line.
The result is-4.
(v) worksheet on addition and subtraction using number line example 21
Locate the first point -2 on the number line.
To add -7 means, we have to move 7 points to the left of the number line.
The result is -9.


V. Subtract the following using number line:
(i) (+12) – (+4)
(ii) (+8) – (+2)
(iii) (+7) – (-3)
(iv) (+5) – (-6)
(v) (+9) – (-5)

Solution:

(i) worksheet on addition and subtraction using number line example 22
After changing the operation from subtraction to addition, we must take the opposite sign of the number following it.
i.e. (+12) +(-4)
Locate the first number +12 on the number line and move to the 4 units left.
The result is +8.
(ii) worksheet on addition and subtraction using number line example 23
After changing the operation from subtraction to addition, we must take the opposite sign of the number following it.
i.e. (+8) +(-2)
Locate the first number +8 on the number line and move to the 2 units left.
The result is +6
(iii) worksheet on addition and subtraction using number line example 24
After changing the operation from subtraction to addition, we must take the opposite sign of the number following it.
i.e. (+7) +(3)
Locate the first number +7 on the number line and move to the 3 units right.
The result is +10
(iv) worksheet on addition and subtraction using number line example 25
After changing the operation from subtraction to addition, we must take the opposite sign of the number following it.
i.e. (+5) +(+6)
Locate the first number +5 on the number line and move to the 6 units right.
The result is +11.
(v)worksheet on addition and subtraction using number line example 26
After changing the operation from subtraction to addition, we must take the opposite sign of the number following it.
i.e. (+9) +(+5)
Locate the first number +9 on the number line and move to the 5 units right.
The result is +14.


VI. Subtract the following:
(i) +10 from +8
(ii) -7 from +3
(iii) +17 from -15

Solution:

(i) worksheet on addition and subtraction using number line example27
Given +8-(+10)
After changing the operation from subtraction to addition, we must take the opposite sign of the number following it.
i.e. (+8) +(-10)
Locate the first number +8 on the number line and move to the 10 units left.
The result is-2.
(ii)worksheet on addition and subtraction using number line example 28
Given +3-(-7)
After changing the operation from subtraction to addition, we must take the opposite sign of the number following it.
i.e. (+3) +(+7)
Locate the first number +3 on the number line and move to the 7 units right.
The result is+10
(iii) worksheet on addition and subtraction using number line example 29
Given -15-(+5)
After changing the operation from subtraction to addition, we must take the opposite sign of the number following it.
i.e. (-15) +(-5)
Locate the first number -15 on the number line and move to the 5 units left.
The result is -20.


VII. Fill in the blanks:
(i) -10 + ……… = 0
(ii) 25 + ……… = 0
(iii) 32 – 32 = ………
(iv) -4 + ……… = -1
(v) ……… – 4 = 6
(vi) The successor of -6 is ………
(vii) The predecessor of -4 is ………

Solution:

(i) 10
(ii) -25
(iii) 0
(iv) +3
(v) 10
(vi) -5
(vii) -5


 

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