Fractions, Decimals, and Percentages · Number and Operations

Operations with Decimals

Adding, subtracting, and multiplying decimals in the context of measurement and money.

Key Questions

  1. 1Why must we align the decimal points when adding but not necessarily when multiplying?
  2. 2How does multiplying a number by a decimal less than one change the product?
  3. 3When estimating a decimal calculation, which digit is the most important to consider?

NCCA Curriculum Specifications

NCCA: Primary - Decimals
Class/Year: 5th Class
Subject: Mathematical Mastery: Exploring Patterns and Logic
Unit: Fractions, Decimals, and Percentages
Period: Number and Operations

Suggested Methodologies

Ready to teach this topic?

Generate a complete, classroom-ready active learning mission in seconds.

Generate a Custom MissionBrowse Lesson Plan Templates

More in Fractions, Decimals, and Percentages

Equivalence and Comparison

Mastering the relationship between fractions, decimals, and percentages as different ways to express the same value.

2 methodologies

Percentage Applications

Calculating percentages of amounts and understanding their use in statistics and commerce.

2 methodologies

Browse curriculum by country

AmericasUSCAMXCLCOBR
EuropeUKIEFRDEESITNLPTSE
Asia & PacificINSGAU