🔢 Mathematics · Number Representation & Place Value
Place Value × 10 and ÷ 10
Recognise that in a multi-digit number, a digit in one place represents 10 times as much as in the place to its right and 1/10 of what it represents in the place to its left
Typical age: 10–11 years
“Can your child explain that in 4.56, the digit 5 is worth 5 tenths — ten times less than the 5 in 54, and ten times more than the 5 in 0.056?”
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- Reading and writing numbers (age 10+)
Place-value understanding supports decimal comparison reasoning
- Reading and writing numbers to 10,000,000
×10 relationship supports understanding of larger numbers
- Patterns with Powers of TenREQUIRED
Exponent notation for powers of 10 builds on ×10 relationship
- Addition and subtraction strategies (age 10+)
Place-value understanding of ×10/÷10 supports decimal regrouping