Practice questions
Challenge questions
Order a set of large numbers, or find all numbers satisfying a digit condition
Word problems
Real-life contexts — read carefully
Key ideas
Each digit in a number has a place value depending on its position.
In \(234{,}567\): the digit 2 = 200,000 · the 3 = 30,000 · the 4 = 4,000 · the 5 = 500 · the 6 = 60 · the 7 = 7
Writing in words: 234,567 = "two hundred and thirty-four thousand, five hundred and sixty-seven"