Printable Textbook: Addition - Level 4 | Mental Maths - Class 1 PDF Download

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Addition and Subtraction
(Refer to the chapter # 11 of the NCERT Maths Book of Class IV)
Summary
• Addition is the process of putting together.
For example:
+ is the sign of addition.
• Subtraction is the process of taking away.
For example:
‘—’ is the sign of subtraction.
• Following are the few words used in the questions, which help us decide 
which operation is to be used.
? Addition: add to, all together, both, combined, in all, more than,  
                   plus, sum, total
5 + 4 = 9
+=
9–4 = 5
– =
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Addition and Subtraction
(Refer to the chapter # 11 of the NCERT Maths Book of Class IV)
Summary
• Addition is the process of putting together.
For example:
+ is the sign of addition.
• Subtraction is the process of taking away.
For example:
‘—’ is the sign of subtraction.
• Following are the few words used in the questions, which help us decide 
which operation is to be used.
? Addition: add to, all together, both, combined, in all, more than,  
                   plus, sum, total
5 + 4 = 9
+=
9–4 = 5
– =
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? Subtraction: decreased by, difference, fewer than, how many more,  
                       left, less, less than, minus, remaining, takes away
 Note that these are just hints, exact operation needs to be decided depending 
upon the question.
Questions
1. What is the sum of the largest 4-digit number and the smallest 3-digit 
number?
2. Fill in the blanks:
(i) 7392 + 10 =  
(ii) 9934 + 100 =  
(iii) 8734 – 1000 =  
(iv) 5806 – 10 =  
(v) 9830 + 1000 =  
3. Add two hundred thirty five and six hundred twenty two.
4. By how much is   4,405   smaller than   44,405  ?
5. There are 125 boys and 106 girls playing in the playground. How many 
children are playing in the playground at the end if 5 children left the 
game in between?
6. Replace * with the correct digit:
 (i) (ii)
          9 * 8 7
      + 3  5 6 *
      1 * 0 4 9
          8 3 9 *
     –  4  * 0 6
        *  0 8 9
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Addition and Subtraction
(Refer to the chapter # 11 of the NCERT Maths Book of Class IV)
Summary
• Addition is the process of putting together.
For example:
+ is the sign of addition.
• Subtraction is the process of taking away.
For example:
‘—’ is the sign of subtraction.
• Following are the few words used in the questions, which help us decide 
which operation is to be used.
? Addition: add to, all together, both, combined, in all, more than,  
                   plus, sum, total
5 + 4 = 9
+=
9–4 = 5
– =
18
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? Subtraction: decreased by, difference, fewer than, how many more,  
                       left, less, less than, minus, remaining, takes away
 Note that these are just hints, exact operation needs to be decided depending 
upon the question.
Questions
1. What is the sum of the largest 4-digit number and the smallest 3-digit 
number?
2. Fill in the blanks:
(i) 7392 + 10 =  
(ii) 9934 + 100 =  
(iii) 8734 – 1000 =  
(iv) 5806 – 10 =  
(v) 9830 + 1000 =  
3. Add two hundred thirty five and six hundred twenty two.
4. By how much is   4,405   smaller than   44,405  ?
5. There are 125 boys and 106 girls playing in the playground. How many 
children are playing in the playground at the end if 5 children left the 
game in between?
6. Replace * with the correct digit:
 (i) (ii)
          9 * 8 7
      + 3  5 6 *
      1 * 0 4 9
          8 3 9 *
     –  4  * 0 6
        *  0 8 9
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7. 6 added to a number makes 17. What is the number? 
8. Sonali had 1500 fruits in her shop. She had 260 apples, 500 mangoes and 
400 bananas. The remaining were oranges. How many oranges did Sonali 
have in her shop?
9. Fill in the blanks:
(i)  526 + 126 =  + 400
(ii)  5765 – 3000 = 2000 +  
(iii)  764 + 280 = 180 +  
(iv)  90 + 770 +   = 777 + 90
(v)  880 – 530 =  + 200
10. What must be added to 2375 to get 5000?
11. Naman had a collection of 136 bookmarks. On his 10th birthday, he got  
49 more bookmarks. How many bookmarks does he have now?
12. Here are some number cards:
5 5 5
7 7 7
 Use five of these number cards to complete the following statement:
.... .... .... – .... .... = 678
13.
 
 Aarav bought
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17
 
Addition and Subtraction
(Refer to the chapter # 11 of the NCERT Maths Book of Class IV)
Summary
• Addition is the process of putting together.
For example:
+ is the sign of addition.
• Subtraction is the process of taking away.
For example:
‘—’ is the sign of subtraction.
• Following are the few words used in the questions, which help us decide 
which operation is to be used.
? Addition: add to, all together, both, combined, in all, more than,  
                   plus, sum, total
5 + 4 = 9
+=
9–4 = 5
– =
18
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T H
S
? Subtraction: decreased by, difference, fewer than, how many more,  
                       left, less, less than, minus, remaining, takes away
 Note that these are just hints, exact operation needs to be decided depending 
upon the question.
Questions
1. What is the sum of the largest 4-digit number and the smallest 3-digit 
number?
2. Fill in the blanks:
(i) 7392 + 10 =  
(ii) 9934 + 100 =  
(iii) 8734 – 1000 =  
(iv) 5806 – 10 =  
(v) 9830 + 1000 =  
3. Add two hundred thirty five and six hundred twenty two.
4. By how much is   4,405   smaller than   44,405  ?
5. There are 125 boys and 106 girls playing in the playground. How many 
children are playing in the playground at the end if 5 children left the 
game in between?
6. Replace * with the correct digit:
 (i) (ii)
          9 * 8 7
      + 3  5 6 *
      1 * 0 4 9
          8 3 9 *
     –  4  * 0 6
        *  0 8 9
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7. 6 added to a number makes 17. What is the number? 
8. Sonali had 1500 fruits in her shop. She had 260 apples, 500 mangoes and 
400 bananas. The remaining were oranges. How many oranges did Sonali 
have in her shop?
9. Fill in the blanks:
(i)  526 + 126 =  + 400
(ii)  5765 – 3000 = 2000 +  
(iii)  764 + 280 = 180 +  
(iv)  90 + 770 +   = 777 + 90
(v)  880 – 530 =  + 200
10. What must be added to 2375 to get 5000?
11. Naman had a collection of 136 bookmarks. On his 10th birthday, he got  
49 more bookmarks. How many bookmarks does he have now?
12. Here are some number cards:
5 5 5
7 7 7
 Use five of these number cards to complete the following statement:
.... .... .... – .... .... = 678
13.
 
 Aarav bought
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 How many more ice creams than burgers did he buy?
 (a) 4 (b) 6 (c) 7 (d) 5
14. If sum of each row, column and diagonal is equal then find A and B.
A 8 7
10 6 B
 5 4 9
15. Add 4356 to the place value of 5.
16. Tick (?) the correct answer
(i) 100 more than 9999 equals
 (a) 10099   (b) 99099   (c) 10090   (d) 10009  
(ii) 90000-1 equals
 (a) 89999   (b) 89991   (c) 89990   (d) 89900  
17. What are the values of A, B and C?
18. Fill in the blanks:
(i) 23 more than 6860 =  
(ii) 40 less than 3820 =  
(iii) Minus 14 from 4 dozens =  
(iv) 30 less than the sum of 480 and 390 =  
(v) 450 more than the largest 3 digit no. =  
A
B C
8 12 16
3 5 7 9
1 2 3 4 5
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17
 
Addition and Subtraction
(Refer to the chapter # 11 of the NCERT Maths Book of Class IV)
Summary
• Addition is the process of putting together.
For example:
+ is the sign of addition.
• Subtraction is the process of taking away.
For example:
‘—’ is the sign of subtraction.
• Following are the few words used in the questions, which help us decide 
which operation is to be used.
? Addition: add to, all together, both, combined, in all, more than,  
                   plus, sum, total
5 + 4 = 9
+=
9–4 = 5
– =
18
M E
N
T
A
L
M
A
T H
S
? Subtraction: decreased by, difference, fewer than, how many more,  
                       left, less, less than, minus, remaining, takes away
 Note that these are just hints, exact operation needs to be decided depending 
upon the question.
Questions
1. What is the sum of the largest 4-digit number and the smallest 3-digit 
number?
2. Fill in the blanks:
(i) 7392 + 10 =  
(ii) 9934 + 100 =  
(iii) 8734 – 1000 =  
(iv) 5806 – 10 =  
(v) 9830 + 1000 =  
3. Add two hundred thirty five and six hundred twenty two.
4. By how much is   4,405   smaller than   44,405  ?
5. There are 125 boys and 106 girls playing in the playground. How many 
children are playing in the playground at the end if 5 children left the 
game in between?
6. Replace * with the correct digit:
 (i) (ii)
          9 * 8 7
      + 3  5 6 *
      1 * 0 4 9
          8 3 9 *
     –  4  * 0 6
        *  0 8 9
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7. 6 added to a number makes 17. What is the number? 
8. Sonali had 1500 fruits in her shop. She had 260 apples, 500 mangoes and 
400 bananas. The remaining were oranges. How many oranges did Sonali 
have in her shop?
9. Fill in the blanks:
(i)  526 + 126 =  + 400
(ii)  5765 – 3000 = 2000 +  
(iii)  764 + 280 = 180 +  
(iv)  90 + 770 +   = 777 + 90
(v)  880 – 530 =  + 200
10. What must be added to 2375 to get 5000?
11. Naman had a collection of 136 bookmarks. On his 10th birthday, he got  
49 more bookmarks. How many bookmarks does he have now?
12. Here are some number cards:
5 5 5
7 7 7
 Use five of these number cards to complete the following statement:
.... .... .... – .... .... = 678
13.
 
 Aarav bought
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 How many more ice creams than burgers did he buy?
 (a) 4 (b) 6 (c) 7 (d) 5
14. If sum of each row, column and diagonal is equal then find A and B.
A 8 7
10 6 B
 5 4 9
15. Add 4356 to the place value of 5.
16. Tick (?) the correct answer
(i) 100 more than 9999 equals
 (a) 10099   (b) 99099   (c) 10090   (d) 10009  
(ii) 90000-1 equals
 (a) 89999   (b) 89991   (c) 89990   (d) 89900  
17. What are the values of A, B and C?
18. Fill in the blanks:
(i) 23 more than 6860 =  
(ii) 40 less than 3820 =  
(iii) Minus 14 from 4 dozens =  
(iv) 30 less than the sum of 480 and 390 =  
(v) 450 more than the largest 3 digit no. =  
A
B C
8 12 16
3 5 7 9
1 2 3 4 5
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19.   +    +    +    +    +    +    +    = 40 apples
   +    +    +    = 155 fruits
   Stands for ______ fruits
 (a) 60 (b) 40 (c) 50 (d) 30
20. The sum of numbers on each line is equal. Find x and y.
Answer Key
1. 1999
2. (i) 7402 (ii) 10034 (iii) 7734 (iv) 5796 (v) 10830
3. 857 or eight hundred fifty seven
4. 40,000
5. 226
6. (i)     9 4 8 7 (ii) 8 3 9 5
  +3 5 6 2  -4 3 0 6
   1 3 , 0 4 9  4 0 8 9
7. 11
8. 340
9. (i) 252 (ii) 765 (iii) 864 (iv) 7 (v) 150
10. 2625
3 48
2
x
7
y