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1st Grade Common Core Resources

These tasks are grade-level formative performance assessment tasks aligned to the Common Core State Standards for Mathematics. Some have accompanying scoring rubrics and discussion of student work samples. Others, such as the Dana Center Early Mathematics Tasks, connect to children’s literature.

You may download and use these tasks for professional development purposes without modifying the tasks.

Quick reference: What are these tools?

Operation and Algebraic Thinking (OA)

Number and Operations in Base Ten (NBT)

  • 1.NBT.1

    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.

    Problems of the Month
  • 1.NBT.2

    Understand that the two digits of a two-digit number represent amounts of tens and ones.

    Problems of the Month
    Formative Re-Engagine Lessons
  • 1.NBT.3

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

    Problems of the Month
  • 1.NBT.4

    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.

    Problems of the Month
    Formative Re-Engaging Lessons

Measurement and Data