Mathematics (2019) Grade(s): 1

MA19.1.23

Partition circles and rectangles into two and four equal shares and describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of.

Unpacked Content

Knowledge

Students know:
  • Strategies for solving simple addition or subtraction equations with one unknown.

Skills

Students are able to:
  • solve simple addition and subtraction equations.
  • Justify and explain their thinking.

Understanding

Students understand that:
  • equalities contain expressions that name the same amount on each side of the equal sign, even with quantities unknown.

Vocabulary

  • Equation
  • ALSDE LOGO