MAFS.1.MD.1.1 Order three objects by length; compare the lengths of two objects indirectly by using a third object.
Cognitive Complexity Level: 1-Recall
[divider] [/divider] Students are able to…
- Estimate how long or tall an object will be
- Describe objects using measurement vocabulary
- Measure and compare objects
[divider] [/divider] Students are able to…because teachers:
- Provide opportunities for students to estimate the length of objects
- Provide 3 objects to measure and compare
- Model use of measurement vocabulary
[divider] [/divider] Questions to ask students:
- Ask: What are 2 objects that are longer than your pencil?
- Sample answer that indicates understanding: Student correctly gives 2 objects that measure longer than the pencil.
- Ask: Which classroom objects are taller than you?
- Sample answer that indicates understanding: Student correctly identifies some classroom objects that are taller than themselves.
[divider] [/divider] Additional Resources:
Additional in depth content knowledge
Video: Kahn Academy – Order by Length
Video – Kahn Academy – Indirect Measurement Practice
[divider] [/divider] Sample Formative Assessment Tasks:
[divider] [/divider] Resources/Tasks to Support Your Child at Home:
- Task: Choose 3 different objects in your home to compare the length of. Have your child describe which object is longer or shorter. Put the objects in order from shortest to longest. Continue with 3 other objects. (Continue this same process with height using the language tallest and shortest).
- Task: Have your child measure the length of the objects using non-standard units such as cubes or paper clips. Encourage them to be precise with their measurement by not having any gaps or overlaps with the units chosen.