Overview

Grade 3 Math

Number

6. Demonstrate an understanding of multiplication to 5 x 5

6.6 Multiplying Digits with 0 and 1 Up to 999

Multiplying Digits with 0 and 1 Up to 999

Master two of the fastest multiplication shortcuts: the zero property and the identity property, using numbers up to 999.

What You'll Learn

Recognize the zero property of multiplication: \( n \times 0 = 0 \) for any number n up to 999

Recognize the identity property of multiplication: \( n \times 1 = n \) for any number n up to 999

Apply both properties instantly without long multiplication, even for three-digit numbers

Compare the zero property to the identity property to avoid mixing up the two rules

Use these properties as quick mental checks before solving larger multiplication problems

What You'll Practice

Multiplying single, two-digit, and three-digit numbers by 0

Multiplying numbers up to 999 by 1

Solving mixed problems with both 0 and 1 as factors

Why This Matters

Mastering multiplication by 0 and 1 builds the foundation for all multiplication facts and algebraic thinking. These special properties appear throughout math, from solving equations to simplifying expressions, making them essential building blocks for success.

This Unit Includes

1 Video lesson

Practice exercises

Learning resources

Skills

Multiplication

Zero Property

Identity Property

Basic Operations

Number Sense

NS Curriculum Aligned