Decimals and Precision · Number and Operations

Operations with Decimals

Adding, subtracting, and rounding decimals in various contexts.

Key Questions

  1. 1How is adding decimals similar to adding whole numbers, and where does the process differ?
  2. 2Why is it crucial to align the decimal points when performing subtraction?
  3. 3How can rounding decimals help us check if our calculated answer is reasonable?

MOE Syllabus Outcomes

MOE: Decimals - P4
Level: Primary 4
Subject: Mathematics
Unit: Decimals and Precision
Period: Number and Operations

Suggested Methodologies

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