Directed and Non-Directed Numbers

What students will learn

• By the end of the lesson, students should be able to:
• Distinguish clearly between directed numbers (positive and negative) and non-directed numbers using real-life examples.
• Perform basic addition, subtraction, and multiplication operations on directed numbers using a number line and operational rules.
• Read and determine the squares of whole numbers and decimal numbers using four-figure mathematical tables.
• Find the square roots of given numbers using four-figure mathematical tables.