Let’s do some more work on conservation to 10 using objects to help us add.
Math Mights was adapted from IM K-5 Math™ ©2021 by Illustrative Mathematics® , released under the Creative Commons Attribution 4.0 International License (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/.
Additions and adaptations are ©2021 by Strategic Intervention Solutions, LLC
MI.Math.Content.K.CC.B.5
Count to answer “how many?” questions about as many as 20 things arranged in a line, a rectangular array, or a circle, or as many as 10 things in a scattered configuration; given a number from 1-20, count out that many objects.
MI.Math.Content.K.CC.B.4a
When counting objects, say the number names in the standard order, pairing each object with one and only one number name and each number name with one and only one object.
MI.Math.Content.K.MD.A.1
Describe measurable attributes of objects, such as length or weight. Describe several measurable attributes of a single object.
MI.Math.Content.K.CC.B.4
Understand the relationship between numbers and quantities; connect counting to cardinality.
MI.Math.Content.K.OA.A.1
Represent addition and subtraction with objects, fingers, mental images, drawings (drawings need not show details, but should show the mathematics in the problem), sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.
MI.Math.Content.K.OA.A.2
Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.
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"Math Mights" extension activities for lessons 213-216 are available to download.
