🔢 Part 1: Basic Decimal Addition and Subtraction

Instructions: Solve these decimal problems. Remember to line up the decimal points!

1. Add these decimals:

a) 2.3 + 4.5 = _______

b) 1.6 + 3.2 = _______

c) 5.4 + 2.1 = _______

2. Subtract these decimals:

a) 8.7 - 3.4 = _______

b) 6.9 - 2.5 = _______

c) 9.8 - 4.6 = _______

3. Circle the correct answer for 3.25 + 1.42:

4.67

4.76

3.67

5.67

💰 Part 2: Money Problems

Instructions: Solve these real-life money problems using decimal addition and subtraction.

4. Sarah bought a sandwich for $4.75 and a drink for $2.30. How much did she spend in total?

Answer: $ _______

5. Tom had $15.60. He bought a book for $8.25. How much money does he have left?

Answer: $ _______

6. Which items can you buy with exactly $10.00? (Check all that apply)

Pencil case $3.50 + Ruler $1.25 + Eraser $0.75 + Notebook $4.50

Lunch $6.80 + Juice $3.20

Magazine $4.95 + Chocolate $2.15 + Gum $1.90

Bus ticket $2.40 + Snack $3.60 + Water $4.00

📏 Part 3: Measurement Problems

Instructions: Solve these measurement problems involving metres and centimetres.

7. A rope is 3.45 metres long. Another rope is 2.78 metres long. What is the total length when joined together?

Answer: _______ metres

8. A piece of wood was 5.60 metres long. After cutting off 1.85 metres, how long is the remaining piece?

Answer: _______ metres

9. Fill in the missing numbers:

a) 4.2 + _____ = 7.8

b) _____ - 2.6 = 3.9

c) 8.5 - _____ = 5.7

🧠 Part 4: Place Value and Reasoning

10. Match each decimal to its place value description:

1. 4.56

2. 7.03

3. 2.90

A. 7 ones, 0 tenths, 3 hundredths

B. 2 ones, 9 tenths, 0 hundredths

C. 4 ones, 5 tenths, 6 hundredths

11. Explain why we need to line up decimal points when adding or subtracting decimals:

12. Create your own word problem using decimal addition or subtraction:

⭐ Part 5: Challenge Problems

13. Advanced Problem: Calculate the total cost of these items and the change from $50.00:

• School bag: $23.95

• Lunch box: $12.75

• Water bottle: $8.50

Total cost: $ _______

Change from $50.00: $ _______

14. Three decimal addition: 4.567 + 2.834 + 1.299 = _______

15. Problem solving: Emma ran 2.75 kilometres on Monday, 3.2 kilometres on Wednesday, and 1.85 kilometres on Friday. What was her total distance for the week?

Answer: _______ kilometres

Decimal Addition Subtraction Practice

Decimal Addition Subtraction Practice

🔢 Part 1: Basic Decimal Addition and Subtraction

💰 Part 2: Money Problems

📏 Part 3: Measurement Problems

🧠 Part 4: Place Value and Reasoning

⭐ Part 5: Challenge Problems

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