ILC Kindergarten Mathematics: Unit 5 Composing and Decomposing Numbers to 10

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Course Repository

Grade Level

Course Format

Unit

License

CC BY

Course Description

This is unit 5 of 8 units. The sequence of units is available in the Read Me First Materials in each unit.

Section A: Compose and Decompose Numbers to 9
In this section, students compose and decompose numbers to 9 in different ways.
Section B: More Types of Story Problems
In this section, students represent and solve story problems. Students compose and decompose numbers as they solve story problems where both addends are unknown.
Section C: Make and Break Apart 10
The number 10 is foundational to the place value work students will do in later grades. In this section, students are introduced to a 10-frame by putting together two 5-frames which allows them to build on previous understandings of the numbers 6–9 in relation to 5. Students use the 10-frame, as well as their fingers, to make and break apart 10 in different ways.

Standards

These instructional materials are available to assist educators in implementing Iowa’s Academic Standards. Curriculum leaders and teachers should review these instructional materials to ensure full implementation of Iowa’s Academic Standards in the local curriculum. Each module identifies standards that are addressed and assessed.

Prerequisites

None

SCED Code

Source Name

Illustrative Mathematics. (2021). K-5 Math version. Kendall Hunt Publishing. https://im.kendallhunt.com/k5/curriculum.html

Lead developer

Donna McClain

Course Updates