Mathematics·Number Representation & Place Value·procedural
Reading and writing numbers (age 10+)
Read, write, and compare decimals to thousandths using base-ten numerals, number names, and expanded form; compare using >, =, < based on place-value meaning
Suggested ages 10–11
Learning journey
Your child is mastering large numbers and decimals — reading, writing, and comparing numbers up to 10 million, understanding how decimal places work, and using negative numbers in real-world contexts like temperature and money.
Evidence of understanding
- Write 347.392 in expanded form: 3×100 + 4×10 + 7×1 + 3×(1/10) + 9×(1/100) + 2×(1/1000)
- Compare 0.372 and 0.38 using place-value reasoning
- Write 'five and sixty-two thousandths' as 5.062
Assessment prompt
Can Reading and writing numbers (age 10+) read and write decimals like 3.047 or 0.625, say what each digit means (3 ones, 0 tenths, 4 hundredths, 7 thousandths), and put a set of decimals in order?
Standards alignment
No external standards are linked to this topic.