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GRADE 1 MATH · CHAPTER 2

Operations & problem solving

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  1. Addition & subtraction

    Find a missing addend

    Find the part needed to make a total up to ten.

    Study lesson Practise

  2. Addition & subtraction

    Add within twenty

    Add one-digit and teen numbers with a total at most twenty.

    Study lesson Practise

  3. Addition & subtraction

    Subtract within twenty

    Use subtraction to find a difference within twenty.

    Study lesson Practise

  4. Word problems

    Solve joining stories

    Identify two quantities to combine in a one-step story.

    Study lesson Practise

  5. Word problems

    Solve take-away stories

    Find the remaining quantity in a one-step subtraction story.

    Study lesson Practise

AN EXAMPLE FROM THIS CHAPTER

Find the missing number: 3 + ___ = 7.

Show answer & explanation

4

7 minus the known part 3 is 4.

Curriculum & source notes

These are original Little Play study books organized around U.S. school topics. The official curriculum references below guide topic scope and progression. Coverage is selected, not a complete curriculum or a verified match to every state standard. They are not copies of a publisher’s textbook. Check your school’s syllabus and book edition.

High-school courses can be taken in different years. Choose the topic that matches the student’s current course.

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