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CCSS.Math.Content.2.OA.A.1 Use Addition And...

CCSS.Math.Content.2.OA.A.1 - Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

 
Authors: National Governors Association Center for Best Practices, Council of Chief State School Officers

Title: CCSS.Math.Content.2.OA.A.1 Use Addition And Subtraction Within 100 To Solve... Operations and Algebraic Thinking - 2nd Grade Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

Copyright Date: 2010

(Page last edited 10/08/2017)

  1. Addition Surprise - Fill in sums in the addition grid to complete a surprise picture.
  2. Math Story Problems! - Kid created math story problems ("Kitten" pages are the easiest.) There are lots of links to pages of problems... scroll way down to see them all
  3. Speed Grid (Addition) Level 2 - One player against the clock. Answer the question set at the bottom of the screen by clicking on two of the numbers on the grid
  4. Speed Grid: Addition - Students answer the question set by clicking on two numbers that complete the sentence. You set the number of questions (2 to 99) and the time limit (1 to 10)?
  5. Speed Grid: Subtraction? - Students answer the question set by clicking on two numbers that complete the sentence. You set the number of questions (2 to 99) and the time limit (1 to 10)?
  6. Sum Sense (Addition) Level 1 - Practice single digit addition by dragging numbers to complete the sentence.?
  7. Sum Sense (Subtraction) Level 1 - Practice single digit subtraction by dragging numbers to complete the sentence.?
  8. Sum to 10? - Click on the number that makes 10 when you add it to the number on the card Marty is holding up.?
  9. Teacher Dodgeball - Re-arrange the numbers and operational signs to form a correct equation in the time given. If you are correct, you will hit the teacher with the dodgeball and move on to a more challenging round. Defeat all five teachers and earn your dodgeball champion certificate.
  10. Word Problems for Grades 1-5 - This KidZone math page has eleven second grade problems. Each time you open a new page the site generates new values for the problem.?

 

 

Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles.
 

  

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