Mathematics Measurement Procedural 6–7 yrs

Measuring length (age 6+)

测量长度（6岁以上）

Description

Measure the length of an object using same-size length units laid end to end with no gaps or overlaps

Mastery Evidence

✓ Measure a book by laying paper clips end to end and counting them
✓ Understand that the length measurement is the number of units that span the object
✓ Avoid gaps and overlaps when placing units

Assessment Prompt

If your child is measuring the length of a table using identical toy bricks, can they lay them end to end with no gaps — and tell you how many bricks long the table is?