Learning Resource Type

Classroom Resource

It's Picture Day! The Odd Squad

Subject Area

Mathematics

Grade(s)

1

Overview

It's Picture Day at Odd Squad, and Otto needs to use an equation to calculate how long he needs to wait in line. Otto will learn to solve subttaction problems by finding the missing addend.

    Mathematics (2019) Grade(s): 1

    MA19.1.4

    Explain subtraction as an unknown-addend problem.

    Unpacked Content

    UP:MA19.1.4

    Vocabulary

    • Addend

    Knowledge

    Students know:
    • The relationship between addition and subtraction.
    • how to explain subtraction as an unknown addend.

    Skills

    Students are able to:
    • use symbols such as blanks, boxes, or letters to represent unknown quantities in equations.
    • Communicate the connections between subtraction and addition.
    • Use the inverse relationship between addition and subtraction to find differences.
    • Choose and apply addition and subtraction strategies to accurately determine sums and differences within 20.

    Understanding

    Students understand that:
    • addition and subtraction have an inverse relationship that can be used to solve problems.
    Link to Resource

    Resource Provider

    PBS
    Accessibility

    Accessibility

    Video resources: includes closed captioning or subtitles
    License

    License Type

    Custom
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