MA19.K.10

Mathematics (2019) Grade(s): KG

MA19.K.10

Decompose numbers less than or equal to 10 into pairs of smaller numbers in more than one way, by using concrete objects or drawings, and record each decomposition by a drawing or equation.

Unpacked Content

Knowledge

Students know:
  • "equal to" and the concept of equality meaning "the same as."
  • Addition is putting together numbers and subtraction is taking apart numbers.

Skills

Students are able to:
  • Represent quantities physically, pictorially, and symbolically.

Understanding

Students understand that:
  • quantities may be named in a variety of ways.

Vocabulary

  • Decompose
  • Equation

COS Examples

Example: 5 = 2 + 3 and 5 = 4 + 1

Aligned Learning Resources

Model It Up in Google Sheets
Combining Gadgets: Odd Squad
Modeling With a Tens Frame
The Quadratic Formula
Composing and Decomposing Numbers to 10
Composing and Decomposing Numbers to 10 Practice
Decomposing Numbers: Part 1
Decomposing Numbers: Part 2
Decomposing Numbers: Part 3
Composing and Decomposing Numbers to 10 Assessment
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