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CCSS.Math.Content.1.NBT.B.2 Understand That...

CCSS.Math.Content.1.NBT.B.2 - Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:

 

CCSS.Math.Content.1.NBT.B.2.a - 10 can be thought of as a bundle of ten ones -- called a "ten."

 

CCSS.Math.Content.1.NBT.B.2.b - The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.

 

CCSS.Math.Content.1.NBT.B.2.c - The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).

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

Title: CCSS.Math.Content.1.NBT.B.2 Understand That The Two Digits Of A Two-digit Number Represent... 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 08/31/2015)

  1. I4C: Online Practice - Write the number of tens and ones - These online practice quizzes (interactives) support the following Common Core State Standard: CCSS.Math.Content.1.NBT.B.2. There are 100 quiz sets available on this topic. Answers are corrected after each question and a quiz results page is also shown which can be printed or emailed to a teacher, parent or mentor.
  2. I4C: Printable Worksheets - Write the number of tens and ones - These worksheets support the following Common Core State Standard: CCSS.Math.Content.1.NBT.B.2. There are 100 worksheets available on this topic. A master answer key is available.
  3. Arrow Cards - Pick your tens number card, then pick a ones card, then guess the number. Click on the red button to see if you are correct.
  4. Base Ten - Online game; move the visual representations to equal the given number.
  5. Bowling - Select the bowling ball and drag the arrow on the direction you want it to go. The longer the arrow the faster the ball will go. Try to knock the pins into the walls.
  6. Clip Art for Base Ten - Use these visuals on your IWB; just copy and paste them anywhere.
  7. Dinosaur Place Value - Online game: Click on the eggs that represent the value. 10's and ones.
  8. Partitioning numbers - Select the correct number shown by the visual representation.
  9. Place the Penguins - Online game; Place the penguins in the tens and ones column to make up the numeral.
  10. Place Value - Worksheet; write the number and number name of the representation of objects.
  11. Place Value to Tens - Worksheet; Count the objects, then write the number of tens, ones, the number and the number word.
  12. Place Values 10s and Ones - Good whole class activity or IWB; Count the objects and decide how many tens and ones; then write the numeral.
  13. Pool - There are 9 balls reperesenting the numbers 11 to 19 and a white cue ball. In the middle are 2 ten frames. The ten frames randomly display a number 11 to 19. Use the white cue ball to hit the ball that matches the count displayed in the ten frames.
  14. Shark Numbers - Online game; count the tens and the ones, then click on the correct bubble.
  15. Shark Pool Place Value - Count the objects on the surf board, then select the number represented.
  16. Splat Squares - Use this interactive 100 board as a whole class activity to create learning patterns.
  17. Ten Sweets Per Pack - Video, visual explanation of this concept.
  18. Tens and Ones - Enter the 2 digit number described by the graphics.
  19. Tens and Ones - How many tens and ones are represented by the objects?
  20. Tens and Ones- up to 30 - Online quiz; count the dots, then type in the tens and ones.
  21. Worksheets to print. Online option as well. - Worksheet generator; select your own parameters.

 

 

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

  

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