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Planting the seeds for CCSS-M mathematical practice (K-2)

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Akihiko Takahashi

on 27 May 2014

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Transcript of Planting the seeds for CCSS-M mathematical practice (K-2)

Planting the seeds for
CCSS-M mathematical practice (K-2)

Developing these practices begins early
Present problems in understandable contexts for the students so that the students can experience the progression from concrete, semi concrete to abstract.


Give students opportunities to attack open-ended problems so that the students increase their confidence.


Let students use manipulatives not only to find answers but to explain to others how to find answers.


Help students learn to communicate how they solve problems using actions, verbal explanations, and equations.

Present problems in understandable contexts for the students so that the students can experience the progression from concrete, semi concrete to abstract.
Standards for Mathematical Practice
Mathematically proficient students..........
1 Make sense of problems and persevere in solving them.
2 Reason abstractly and quantitatively.
3 Construct viable arguments and critique the reasoning of others.
4 Model with mathematics.
5 Use appropriate tools strategically.
6 Attend to precision.
7 Look for and make use of structure.
8 Look for and express regularity in repeated reasoning.
Let students use manipulatives not only to find answers but to explain to others how to find answers.
Using tools, modeling, reasoning abstractly and quantitatively
Help students learn to communicate how they solve problems using actions, verbal explanations, and equations.
Tokyo Shoseki Mathematics International Grade 2 pp. A11-12
www.globaledresources.com
Tokyo Shoseki Mathematics International Grade 1 p. 97
www.globaledresources.com
Make sense of problems and persevere; construct viable arguments
Construct viable arguments
Make sense of problems; use tools strategically; construct viable arguments
concrete
semi concrete
abstract
Give students opportunities to attack open-ended problems so that the students increase their confidence.
Tokyo Shoseki Mathematics International Grade 1 pp. 42-43
www.globaledresources.com
Tokyo Shoseki Mathematics International Grade 1 p. 50
www.globaledresources.com
Tom buys a chocolate for 25¢ and candy for 14¢. How much is it going to cost?
Explain how did you calculate 8+3.
Explain how did you calculate 13-9.
Tokyo Shoseki Mathematics International Grade 1 p. 108
www.globaledresources.com
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