Subtraction Worksheet - KS3 - Intermediate
Subtraction worksheet for Key Stage 3 / Year 7-9 (Ages 11-14). Intermediate level maths practice, aligned to the UK National Curriculum. Print-ready with answer key included.
Intermediate Subtraction Skills
Key Stage 3 / Year 7-9 (Ages 11-14) - Intermediate Level
Instructions: This worksheet focuses on enhancing your subtraction skills through a variety of engaging activities. You'll tackle equations, word problems, and data analysis tasks that challenge your understanding of subtraction in different contexts.
Subtraction Equations
Solve each equation by finding the value of x. Show all your working clearly in the space provided.
1. x - 7 = 15
2. 3x - 12 = 9
3. 5x + 4 = 24
4. 8x - 5 = 27
5. 6x - 18 = 12
Subtraction Word Problems
Read each problem carefully and use subtraction to find the solution. Write your answer in the box provided.
1. Sarah had £150. She spent £47 on a new dress. How much money does she have left?
2. A train travels 250 km in the morning and 175 km in the afternoon. How many kilometres did it travel in total?
3. A baker made 240 cupcakes. He sold 185 of them. How many cupcakes are left?
Data Analysis with Subtraction
Analyse the data in the table and answer the questions below using subtraction where necessary.
| Month | Income | Expenses | Profit |
| Jan | £1200 | £800 | £400 |
| Feb | £1500 | £900 | £600 |
| Mar | £1300 | £950 | £350 |
1. Which month had the highest expenses?
2. Calculate the total profit for the first quarter.
3. What is the average income over the four months?
Subtracting Fractions
Subtract the fractions and simplify your answers. Show all your working clearly.
1. 3/4 - 1/2
2. 5/6 - 2/3
3. 7/8 - 3/8
4. 9/10 - 1/5
Subtraction in Real-Life Contexts
Solve these real-life subtraction problems. Write your answers clearly in the boxes provided.
1. A library had 500 books. After a donation, it now has 620 books. How many books were donated?
2. A car travels 350 km on Monday and 280 km on Tuesday. How much further did it travel on Monday?
Subtracting Decimals
Perform the subtraction operations on the decimals and write your answers in the boxes.
1. 12.5 - 7.3
2. 9.8 - 4.6
3. 15.7 - 8.9
4. 23.4 - 11.2
Subtraction Challenges
Solve these challenging subtraction problems. Ensure you show all your working.
1. If 5x - 3 = 17, what is the value of x?
2. The difference between two numbers is 45. If the larger number is 98, what is the smaller number?
Subtraction with Negative Numbers
Use subtraction to solve these problems involving negative numbers. Show your working clearly.
1. (-3) - (-7)
2. 5 - (-2)
3. (-8) - 4
4. 10 - (-5)
Activity 1: 22 ; 7 ; 4 ; 4 ; 5
Activity 2: £103 ; 425 km ; 55 cupcakes
Activity 3: March ; £1750 ; £1350
Activity 4: 1/4 ; 1/6 ; 1/2 ; 7/10
Activity 5: 120 books ; 70 km
Activity 6: 5.2 ; 5.2 ; 6.8 ; 12.2
Activity 7: 4 ; 53
Activity 8: 4 ; 7 ; -12 ; 15
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