Addition and Subtraction Worksheet — KS2 — Intermediate
Addition and Subtraction worksheet for Key Stage 2 / Year 3-6 (Ages 7-11). Intermediate level maths practice, aligned to the UK National Curriculum. Print-ready with answer key included.
Mastering Addition and Subtraction
Key Stage 2 / Year 3-6 (Ages 7-11) - Intermediate Level
Instructions: This worksheet will help you practise your addition and subtraction skills through a variety of engaging activities. Work through each activity carefully, showing your working where needed. Remember to check your answers once you have completed the worksheet.
Addition Equations
Solve the following addition problems. Write your answers in the boxes provided. Remember to carry over numbers if needed.
1. 456 + 289 =
2. 123 + 678 =
3. 345 + 567 =
4. 789 + 234 =
5. 678 + 123 =
6. 234 + 456 =
7. 567 + 345 =
8. 123 + 789 =
Subtraction Equations
Solve these subtraction problems. Write your answers in the boxes provided. Remember to borrow numbers if needed.
1. 654 - 321 =
2. 987 - 654 =
3. 432 - 210 =
4. 876 - 543 =
5. 765 - 432 =
6. 543 - 210 =
7. 432 - 123 =
8. 321 - 111 =
Mixed Operations
For each problem, decide whether to add or subtract to find the correct answer. Write your answers in the boxes provided.
1. 345 + 123 - 67 =
2. 789 - 456 + 32 =
3. 567 + 234 - 89 =
4. 654 - 321 + 45 =
5. 432 + 210 - 98 =
6. 876 - 543 + 12 =
Word Problems
Read each word problem carefully. Use addition or subtraction to solve the problem and write your answer in the box provided.
1. Sarah has 150 marbles. She buys 45 more. How many marbles does she have now?
2. Tom had 200 stickers. He gave 75 to his friend. How many stickers does Tom have left?
3. A farmer has 345 apples. He picks 120 more from the orchard. How many apples does he have in total?
4. There are 500 books in the library. 150 books are borrowed. How many books remain in the library?
Addition Table
Fill in the missing numbers to complete the addition table.
| + | 5 | 10 | 15 | 20 |
| 25 | 5 | 10 | 15 | 20 |
| 25 | 10 | 15 | 20 | 25 |
| 30 | 15 | 20 | 25 | 30 |
| 35 | 20 | 25 | 30 | 35 |
| 40 |
Subtraction Table
Complete the subtraction table by filling in the missing numbers.
| - | 5 | 10 | 15 | 20 |
| 25 | 5 | 0 | 5 | 10 |
| 15 | 20 | 10 | 5 | 0 |
| 5 | 10 | 15 | 20 | 15 |
| 10 | 5 | 0 | 5 | 20 |
| 25 | 20 | 15 | 10 | 5 |
Number Puzzles
Solve these number puzzles by finding the missing number that makes the equation true.
1. ___ + 150 = 300
2. 200 - ___ = 150
3. ___ - 50 = 100
4. 250 + ___ = 400
5. ___ + 75 = 175
6. 300 - ___ = 200
Challenge: Two-Step Problems
Solve these two-step problems. You will need to use both addition and subtraction to find the answer.
1. A shop had 500 toys. They sold 150 toys and received a new shipment of 200 toys. How many toys do they have now?
2. There were 600 birds in a park. 200 flew away, and 150 new birds arrived. How many birds are there now?
3. A class had 30 students. 5 students left, and 10 new students joined. How many students are in the class now?
Activity 1: 745 ; 801 ; 912 ; 1023 ; 801 ; 690 ; 912 ; 912
Activity 2: 333 ; 333 ; 222 ; 333 ; 333 ; 333 ; 309 ; 210
Activity 3: 401 ; 365 ; 712 ; 378 ; 544 ; 345
Activity 4: 195 ; 125 ; 465 ; 350
Activity 5: 10 ; 15 ; 20 ; 25 ; 15 ; 20 ; 25 ; 30 ; 20 ; 25 ; 30 ; 35 ; 25 ; 30 ; 35 ; 40
Activity 6: 0 ; 5 ; 10 ; 15 ; 5 ; 0 ; 5 ; 10 ; 10 ; 5 ; 0 ; 5 ; 15 ; 10 ; 5 ; 0
Activity 7: 150 ; 50 ; 150 ; 150 ; 100 ; 100
Activity 8: 550 ; 550 ; 35
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