🔢 Part 1: Breaking Down Decimals

Example: 3.4 = 3 + 0.4

a) 2.6 = _____ + _____

b) 5.23 = _____ + _____

c) 7.8 = _____ + _____

d) 4.56 = _____ + _____

e) 9.07 = _____ + _____

➕ Part 2: Adding Using Partitioning

Problem: 4.6 + 2.25

Step 1: Partition the numbers

4.6 = _____ + _____

2.25 = _____ + _____

Step 2: Add the whole numbers: _____ + _____ = _____

Step 3: Add the decimal parts: _____ + _____ = _____

Step 4: Add the results together: _____ + _____ = _____

a) 3.7 + 2.1 = _____

b) 5.4 + 1.35 = _____

💰 Part 3: Real-Life Problems

Total cost: $ _____

Total distance: _____ kilometres

Total dry ingredients: _____ cups

🎯 Part 4: Estimation and Checking

a) 4.6 + 3.8

My estimate: Greater than 10 / Less than 10 (circle one)

Actual answer: _____

b) 2.7 + 5.9

My estimate: Greater than 10 / Less than 10 (circle one)

Actual answer: _____

🤔 Part 5: Reflection