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Decimal Addition Mastery Worksheets

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Decimal Addition Mastery Worksheets

Decimal addition illustration

🎯 WALT: We Are Learning To

• Add decimals with equal decimal places confidently

• Add decimals with unequal decimal places accurately

• Apply decimal addition to real-life shopping scenarios

📊 Part A: Equal Decimal Places (Concrete Practice)

Use base-ten blocks or draw decimal grids to help solve these problems.

1. Sarah buys a sandwich for $4.25 and a drink for $2.50. How much does she spend in total?

Total cost: $ ________

2. Calculate: 3.75 + 1.20 = ________
3. Tom's height is 1.45 metres and he grows 0.12 metres. What is his new height?

New height: ________ metres

📈 Part B: Unequal Decimal Places (Visual Practice)

Remember: Line up the decimal points and add zeros as placeholders!

4. Calculate: 5.7 + 3.25 = ________
5. Emma buys fruit for $8.6 and vegetables for $12.45. What is the total cost?

Total cost: $ ________

6. Multiple Choice: What is 2.8 + 1.35?

4.15

3.15

4.13

2.93

7. Jake runs 2.5 kilometres on Monday and 3.75 kilometres on Tuesday. How far did he run altogether?

Total distance: ________ kilometres

🛒 Part C: Shopping Challenge (Abstract & Extension)

Solve these real-life shopping problems. Show all working.

8. Shopping List Total:

• Milk: $3.20

• Bread: $2.85

• Apples: $4.6

• Cheese: $7.95

Total shopping cost: $ ________

9. Extension Challenge: Lucy has $25.00. She buys items costing $7.45, $3.8, and $6.125. How much money does she have left?

Money remaining: $ ________

10. Self-Assessment: Tick the boxes that apply to you today:

I can line up decimal points correctly

I can add decimals with the same decimal places

I can add decimals with different decimal places

I can solve real-life decimal problems

11. Explain in one sentence: Why is it important to line up decimal points when adding?

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