Let&#8217;s decompose and compose numbers up to 5. 
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

Let's decompose and compose numbers up to 5.

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

Break Apart Numbers to 5

Let&#8217;s match pattern block designs to expressions in two parts. 
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

Let's match pattern block designs to expressions in two parts. 

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

2 Parts of Expressions

Let&#8217;s match some more pattern block designs to expressions in two parts. 
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

Let's match some more pattern block designs to expressions in two parts. 

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

Break Apart Pattern Block Designs

Let&#8217;s decompose and compose numbers with snap cube trains. 
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

Let's decompose and compose numbers with snap cube trains.

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

Compose & Decompose Numbers to 9

Compose &#038; Decompose Numbers to 9

Let&#8217;s look for all the ways to break apart numbers. 
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

Let's look for all the ways to break apart numbers.

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

Break Apart Numbers

Let&#8217;s label story problems helps us to understand what the problem is asking. 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

Let's label story problems helps us to understand what the problem is asking. 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

Label Story Problems

Let&#8217;s put together and take apart numbers. 
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

Let's put together and take apart numbers.

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

Unknown Addend Word Problems

Let&#8217;s use patterns to help solve story problems. 
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

Let's use patterns to help solve story problems.

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

More Than One Way to Solve

Let&#8217;s figure out how many more are needed to make 10. 
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

Let's figure out how many more are needed to make 10.

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

10 Frames Different Ways

Let&#8217;s match number sentences to 10 frames. 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

Let's match number sentences to 10 frames. 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

Count Groups Up to 20

Let&#8217;s use number bonds to tell how many. 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

Let's use number bonds to tell how many. 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

Count with 10 and Some More

Let&#8217;s figure out the missing part of number bonds for 11-19. 
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

Let's figure out the missing part of number bonds for 11-19.

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

Represent Numbers 11-19

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Because we’ve got a problem to solve.

Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from

Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).

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Standard MI.Math.Content.K.OA.A.3

Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from