Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through creating your own centimeter ruler. Estimate and measure with a centimeter ruler. 
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.

Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through creating your own centimeter ruler. Estimate and measure with a centimeter ruler.
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.

Estimate and Measure with Centimeters

Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. What do you know about measurement? Measure with centimeter cubes to find the length of reptiles. Then answer some questions about the length of reptiles by adding and subtracting within 100. 
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.

Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. What do you know about measurement? Measure with centimeter cubes to find the length of reptiles. Then answer some questions about the length of reptiles by adding and subtracting within 100.
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.

Measuring with Centimeters

MI.Math.Content.2.MD.B.5

MI.Math.Content.2.MD.A.3

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Measure and estimate lengths in standard units

Measure to determine how much longer one object is than another, expressing the length difference in terms of a standard length unit.

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Michigan State Math Standards

MI.Math.Content.2.MD.A.4

Standard MI.Math.Content.2.MD.A.4

Measure and estimate lengths in standard units