Type:

Other

Description:

This interactive applet gives students practice with addition and subtraction of whole numbers and integers. Users drag the given number arrows onto a number line and choose whether to add or subtract them in order to arrive at the given target number. After all arrows are placed in a correct arrangement, a user drags numbers and operations signs to create a number sentence (equation) that represents the arrow sequence.

Subjects:

  • Mathematics > General
  • Education > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12

Keywords:

Grade 2,Grade 3,Grade 1,NSDL,Grade 4,Grade 5,Addition,Early Elementary,Visual representation,Strategies,Number concepts,Social Sciences,Arithmetic,Analyze and persevere,Process skills,Number and operations,Upper Elementary,Critical thinking,oai:nsdl.org:2200/20140728161303008T,Properties of operations,Model with mathematics,Subtraction,Life Science,Composition and decomposition of numbers,Informal Education,Integers,Whole numbers,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-027,Comparison of numbers,Practice Standards,Elementary School,Modeling,Reason quantitatively,Chemistry,Operations,Mental calculation,Number sense,Mathematics,Connections,Problem solving,Education,Reasoning,Representation

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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Non-profit Tax ID # 203478467