Worksheet on fundamental operations will help us to practice the questions on four fundamental operations i.e. addition, subtraction, multiplication and division.
1. Add the following:
(i) 35 + 43 =
(ii) 8 + 4 + 6 =
(iii) 96 + 69 =
(iv) 38 + 81 + 73 =
(v) 239 + 487 =
(vi) 315 + 174 + 33 =
2. Subtract the following:
(i) 69 – 35 =
(ii) 383 – 198 =
3. Find two subtraction facts for the following addition facts:
(i) 48 + 16 = 64
(ii) 70 + 14 = 84
4. Fill in the blanks:
(i) 97  ____ = 35
(ii) 28 + ____ = 40
5. Find two addition facts for the following subtraction facts:
(i) 80 – 30 = 50
(ii) 245 – 124 = 121
6. Simplify:
(i) 26 + 32 – 12 =
(ii) 75 + 25 – 30 =
(iii) 329 + 574 =
(iv) 370 – 259 =
7. In a school there are 539 students of whom 329 students are girls. Find the number of boys.
8. In a collection of fruits there are 57 apples, 46 mangoes and 23 oranges. How many fruits are there in the collection?
9. Write in multiplication form: 14 + 14 + 14 + 14 + 14
10. Multiply the following:
(i) 31 × 3 =
(ii) 53 × 8 =
11. There are 7 days in a week. How many days are there in 52 weeks?
12. How many weeks are there in 42 days if seven days make a week?
13. Find two division facts for the multiplication facts: 7 × 6 = 42
14. Find two multiplication facts for the division facts: 40 ÷ 8 = 5
15. Divide the following:
(i) 0 ÷ 10 =
(ii) 63 ÷ 7 =
Answers for the worksheet on fundamental operations are given below to check the exact answers of the above questions on addition, subtraction, multiplication and division.
Answers:
1. (i) 78
(ii) 18
(iii) 165
(iv) 192
(v) 726
(vi) 522
2. (i) 34
(ii) 185
3. (i) 64 – 48 = 16, 64 – 16 = 48
(ii) 84 – 70 = 14, 84 – 14 = 70
4. (i) 62
(ii) 12
5. (i) 50 + 30 = 80, 30 + 50 = 80
(ii) 121 + 124 = 245, 124 + 121 = 245
6. (i) 46
(ii) 70
(iii) 903
(iv) 111
7. 210 boys.
8. 126 fruits
9. 14 × 5 = 70
10. (i) 93
(ii) 424
11. 364 days
12. 6 weeks
13. 42 ÷ 6 = 7, 42 ÷ 7 = 6
14. 5 × 8 = 40, 8 × 5 = 40
15. (i) 0
(ii) 9
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