Mathematics·Fractions·procedural
Comparing Decimals
Compare two decimals to hundredths (or up to three decimal places) by reasoning about size using place-value understanding; record with >, =, <
Suggested ages 9–10
Learning journey
Your child is exploring fractions, decimals, and percentages — understanding how they relate to each other, adding and subtracting fractions, and solving real-world problems involving these concepts.
Evidence of understanding
- Compare 0.45 and 0.405 and explain which is greater
- Order 3.142, 3.14, 3.2 from smallest to largest
- Justify that 0.7 = 0.70 = 0.700 using place-value reasoning
Assessment prompt
If Comparing Decimals compares 0.45 and 0.54, can they use place value to explain which is bigger — without reaching for a calculator?
Standards alignment
No external standards are linked to this topic.