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Decimal Operations Practice

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Decimal Operations Practice worksheet preview

Decimal Operations Practice

Calculator and decimal numbers illustration

🔢 Part 1: Decimal Multiplication

1. Calculate 2.4 × 3. First, estimate your answer by rounding:

Estimate: _____ × _____ = _____

Exact answer: _____________

2. Work out 0.6 × 7:
3. A packet of biscuits costs $3.25. How much would 4 packets cost?

Answer: $ _____________

4. Which calculation gives the largest answer?

1.8 × 5

2.3 × 4

0.9 × 12

1.5 × 6

➗ Part 2: Decimal Division

5. Calculate 4.8 ÷ 3:
6. Divide 5.4 by 9:

Answer: _____________

7. Sarah has 12.6 metres of ribbon. She wants to cut it into 6 equal pieces. How long will each piece be?

Each piece = _____________ metres

8. Round 3.27 to the nearest tenth, then estimate the answer to 3.27 × 2:

3.27 rounded to nearest tenth: _____

Estimated answer: _____ × 2 = _____

Exact answer: _____________

🧠 Part 3: Problem Solving & Reasoning

9. A recipe calls for 1.25 kg of flour. If you want to make the recipe 3 times, how much flour do you need?
10. Explain why 0.4 × 0.3 gives a smaller answer than either 0.4 or 0.3:
11. Check which strategies help make decimal calculations easier:

Estimating first by rounding

Ignoring the decimal point completely

Using place value understanding

Checking answers for reasonableness

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