Method D - Partitioning Method
CPD for Primary: Subtraction Methods for KS2 Maths (by Jo Morgan), topic 2.1.4
Partitioning Method: 753 − 491
Step 1
- Partition the subtrahend.
,w_800.png)
Step 2
- Subtract the subtrahend in parts.
- Start by subtracting 400 from 753.
,w_800.png)
Step 3
- Now, subtract 90 from 353.
- If that’s too difficult, then split 90 into 50 + 40.
- First, subtract 50.
,w_800.png)
Step 4
- Then subtract 40.
,w_800.png)
Step 5
- Finally, subtract 1 from 263.
Test yourself on Method D - Partitioning Method
**Example question: Use the Partitioning Method to calculate 64726 - 17635. **
Which student has correctly partitioned the subtrahend?**Example question: Use the Partitioning Method to calculate 64726 - 17635. **
Which student has correctly carried out step 2 of the Partitioning Method?**Example question: Use the Partitioning Method to calculate 64726 - 17635. **
Which student has most logically split the calculation 54726 − 7000?