📍 Part 1: Aligning Decimal Points

Remember: Always line up the decimal points when subtracting!

a) 5.7 - 2.4 = _______

b) 12.85 - 6.32 = _______

c) 9.6 - 4.28 = _______

🧮 Part 2: Simple Decimal Subtraction (No Regrouping)

Instructions: Solve these decimal subtraction problems. Show your working in the boxes below.

a) 8.9 - 3.5 = _______

b) 15.67 - 12.34 = _______

c) 7.8 - 2.6 = _______

d) 24.95 - 13.42 = _______

🔄 Part 3: Decimal Subtraction with Regrouping

Remember: When the top digit is smaller than the bottom digit, you need to borrow from the next place value!

a) 6.2 - 3.8 = _______

b) 15.03 - 9.87 = _______

c) 20.4 - 12.9 = _______

d) 18.25 - 9.68 = _______

💰 Part 4: Real-Life Money Problems

Context: Use decimal subtraction to solve these New Zealand money problems.

Answer: $ __________

Answer: $ __________

Answer: $ __________

📏 Part 5: Measurement Problems

Context: Apply decimal subtraction to measurement situations.

Answer: __________ metres

Answer: __________°C

✅ Part 6: Estimation and Checking

Strategy: Always estimate your answer first, then check your work!

a) 16.8 - 9.3

Estimate: _____ - _____ = _____

Exact answer: __________

b) 25.67 - 18.94

Estimate: _____ - _____ = _____

Exact answer: __________

🤔 Part 7: Problem Solving Challenge

📝 Part 8: Reflection