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Puerto Rico - Grade 1 - Math - Measurement and Data - Length of an Object - 1.MD.2

Description

Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the object being measured is spanned by a whole number of length units with no gaps or overlaps.

Additional Info

  • State - Puerto Rico
  • Standard ID - 1.MD.2
  • Subjects - Math Common Core
  • Grade - 1

Keywords

  • Math
  • Puerto Rico grade 1
  • Measurement and Data

More Puerto Rico Topics

Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.

Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.

Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

Here is the skill that Puerto Rico requires you to master

  • Grade Level 1
  • State Test
  • State Standards
  • Subject Math
  • Topic Name Length of an Object
  • Standard ID 1.MD.2
  • Description
    Express the length of an object as a whole number of length units, by laying multiple copies of a shorter object (the length unit) end to end; understand that the length measurement of an object is the number of same-size length units that span it with no gaps or overlaps. Limit to contexts where the object being measured is spanned by a whole number of length units with no gaps or overlaps.

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