Nim-7

Description

This web page provides instructions for a basic form of Nim, an ancient game that develops strategic thinking. Starting with a total of 7 counters, two players take turns removing one or two at a time. The player who takes the last counter wins. The game of Nim is very adaptable. This page includes questions that encourage players to generalize a winning strategy as well as a link to another page describing several of variations.

12 Tags

5 Learning Standards

Teaches CCSS.Math.Content.1.OA.C.5
5. Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

Alignment of the Resource to this Standard

IOER Community Rating: Not Rated

Teaches CCSS.Math.Content.1.OA.C.6
6. Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).

Alignment of the Resource to this Standard

IOER Community Rating: Not Rated

Teaches CCSS.Math.Content.2.OA.B.2
2. Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.

Alignment of the Resource to this Standard

IOER Community Rating: Not Rated

Teaches CCSS.Math.Practice.MP1
Make sense of problems and persevere in solving them.

Alignment of the Resource to this Standard

IOER Community Rating: Not Rated

Teaches CCSS.Math.Practice.MP2
Reason abstractly and quantitatively.

Alignment of the Resource to this Standard

IOER Community Rating: Not Rated

28 Keywords

Elementary School Composition and decomposition of numbers Social Sciences Subtraction Counting Chemistry Number concepts Strategies Reasoning Number and operations NSDL Practice Standards Problem solving Whole numbers Upper Elementary Life Science Mental calculation Analyze and persevere Early Elementary Reason abstractly Arithmetic Critical thinking Education Process skills Reason quantitatively Addition Mathematics Operations
#ElementarySchool #Compositionanddecompositionofnumbers #SocialSciences #Subtraction #Counting #Chemistry #Numberconcepts #Strategies #Reasoning #Numberandoperations #NSDL #PracticeStandards #Problemsolving #Wholenumbers #UpperElementary #LifeScience #Mentalcalculation #Analyzeandpersevere #EarlyElementary #Reasonabstractly #Arithmetic #Criticalthinking #Education #Processskills #Reasonquantitatively #Addition #Mathematics #Operations

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