Place Value to One Million

Understanding digits and their positions Year 7 Mathematics Building number sense skills

What is Place Value?

Each digit has a specific position Position determines the digit's value Moving left increases value by 10 times Example: In 3,456 the 3 represents 3,000

Place Value Chart to One Million

Digit Detective

Look at the number: 847,392 What is the value of the digit 8? What is the value of the digit 4? What is the value of the digit 7?

Comparing Large Numbers

Start from the left (highest place value) Compare digits in the same position The first different digit determines which is larger Example: 635,248 vs 653,248 → 653,248 is larger

Quick Check

Which number is larger? A) 724,158 B) 742,158 Explain your reasoning using place value

Rounding Large Numbers

Look at the digit to the right of rounding position If 5 or more, round up If less than 5, round down Example: 89,642 rounded to nearest 1000 = 90,000

Key Learning

Place value helps us understand the true value of digits in large numbers Position matters more than the digit itself These skills help us in everyday life with money, measurements, and problem solving