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Eanes ISD

First Grade Mathematics Measurement & Time

Understandings:

  • The student must be able to use measuring tools that reinforce continuous length from start to end to measure the length of objects. Students must be able to explain their thinking. (1.7) A
  • The student must be able to show that length can be measured with equal sized units of length placed end to end, with no gaps or overlaps, along the distance being measured. The student must be able to explain how they measure different objects with words and drawings. (1.7) B
  • The student must be able to measure the same object using two different units of length at the same time. Students must be able to explain why their measurements are different and how they are related to the size of the units they are using. (1.7) C
  • The student must be able to describe the length of an object to the nearest whole unit using a number and a unit. Students must also be able to explain and justify their mathematical ideas and solutions.(1.7) D
  • The student must be able to tell time to the hour and half hour using analog and digital clocks. They must be able to explain and justify their mathematical ideas and solutions. (1.7) E
TEKS:
  • 1.7 D(R) Describe a length to the nearest whole unit using a number and a unit
  • 1.7 E(R) Tell time to the hour and half hour using analog and digital clocks
  • 1.7 A(S) Use measuring tools to measure the length of objects to reinforce the continuous nature of linear measurement
  • 1.7 B(S) Illustrate that the length of an object is the number of same-size units of length that, when laid end-to-end with no gaps or overlaps, reach from one end of the object to the other
  • 1.7 C(S) Measure the same object/distance with units of two different lengths and describe how and why the measurements differ
Learning Targets:
  • I can use objects to measure objects from one end to another without gaps.
  • I can tell time to the hour and half hour on analog and digital clocks.
  • I can measure an object with 2 different nonstandard objects and explain why the measurements were different.
  • I can use measuring tools to measure length.
  • I can describe length as a number and unit.
Essential Questions:
  • How is measurement used in the real world?

Vocabulary:  distance, measurement tool, unit of measure, half hour, half past, hour, minute, time
Previously introduced:  comparison language (fewer/more, longer than/shorter than), estimation language (about, a little more/less, close to, approximately), length, estimation language (about, a little more/less, close to, approximately)