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CCSS.Math.Content.1.NBT.C.5 Given A Two-digit...

CCSS.Math.Content.1.NBT.C.5 - Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

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

Title: CCSS.Math.Content.1.NBT.C.5 Given A Two-digit Number, Mentally Find 10... Number and Operations in Base Ten - 1st 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 10/20/2014)

  1. I4C - Find 10 less, given two-digit number - These worksheets support the following Common Core State Standard: CCSS.Math.Content.1.NBT.C.5. There are 100 worksheets available on this topic. A master answer key is available.
  2. I4C - Find 10 less, given two-digit number - These worksheets support the following Common Core State Standard: CCSS.Math.Content.1.NBT.C.5. There are 100 worksheets available on this topic. A master answer key is available.
  3. I4C - Find 10 more, given two-digit number - These worksheets support the following Common Core State Standard: CCSS.Math.Content.1.NBT.C.5. There are 100 worksheets available on this topic. A master answer key is available.
  4. I4C - Find 10 more, given two-digit number - These worksheets support the following Common Core State Standard: CCSS.Math.Content.1.NBT.C.5. There are 100 worksheets available on this topic. A master answer key is available.
  5. 10 More or Less - Online quiz; type in the missing answer.
  6. 100 Hunt Addition - Online Game; look at the number given, add 10 and click on the answer.
  7. Add or Subtract Whole Tens Mentally - Online lesson; Add or subtract whole tens mentally; good for whole class activity.
  8. Add Tens - Online quiz; type in the missing answer.
  9. Adding 10 DepthCharger - Online game; once the robot has landed, click on the problem below in the little box and then add 10 to the depth level to destroy the robot.
  10. Adding Three Numbers - Find the sum of the three numbers.
  11. Less and more - Printable; answer the questions using the 100 chart.
  12. Subtracting Tens - Online timed quiz; find the answers to these problems.
  13. Tasks to show off learning of these skills. - Worksheets; multiple problem examples and worksheets
  14. Ten Sweets Per Pack - Video, visual explanation of this concept.

 

 

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

  

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