Number Systems and Proportional Reasoning · Number and Operations

Place Value and the Power of Ten

Exploring the relationship between digits in large numbers and decimals to the thousandths place.

Key Questions

  1. 1How does the value of a digit change as it moves across the decimal point?
  2. 2Why is a base ten system more efficient than other historical counting systems?
  3. 3In what ways do rounding and estimation help us verify the reasonableness of a digital calculation?

NCCA Curriculum Specifications

NCCA: Primary - NumberNCCA: Primary - Fractions and Decimals
Class/Year: 6th Class
Subject: Mathematical Mastery and Real World Reasoning
Unit: Number Systems and Proportional Reasoning
Period: Number and Operations

Suggested Methodologies

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