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Chapter 2

Chapter 2. Comparing Numbers & Ordering Numbers. Vocabulary. Greater than (>) – a symbol used to show numbers greater than another Less than (<) – a symbol used to show numbers less than another Equals (=) a symbol used to show numbers having the same value.

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Chapter 2

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  1. Chapter 2 Comparing Numbers & Ordering Numbers

  2. Vocabulary • Greater than (>) – a symbol used to show numbers greater than another • Less than (<) – a symbol used to show numbers less than another • Equals (=) a symbol used to show numbers having the same value

  3. Remember! The hungry alligator always eats the largest number.

  4. How to compare numbers 1 2 3 Line up the numbers Compare at highest place value If numbers are the same go to next digit to the right 12,391 8,971 13,762 12,391 8,971 13,762 12,391 8,971 13,762

  5. Write < > or = 5,931 > 4,931 Look at the 5 & 4

  6. Write < > or = < 941 951 The hundreds place both have 9’s so move to the right & look at the next #

  7. Write < > or = 1,252 > 1,232 The thousands & hundreds places are both the same, so move to the tens place.

  8. Write < > or = = 2,425 2,425 All of the numbers are the same.

  9. Write < > or = < 12,349 12,449

  10. Write < > or = < 50,000 Five thousand What about word & standard form

  11. Write < > or = < 1,306 1, 305

  12. Write < > or = < 1,730 1,630

  13. What is the Error? Sarah said that 6,850 is greater than 48,500 because 6 > 4. Tell me what her problem is.

  14. You try some.Look at page 21 # 5-10 ReTeach Workbook Pg. 2.1

  15. Ordering NumbersChapter 2 Lesson 2 Begin by comparing the numbers like yesterday. Look at the number in each of the largest place values (LEFT)

  16. If you know how to compare numbers, you know how to put them in order Put these numbers in order from greatest to least 1,730 14 569 9,271 2 4 3 1

  17. Put these numbers in order fromgreatest to least 35,872 36,872 569 9 2 1 3 4

  18. Put these numbers in order fromleast to greatest 145,872 6,872 569 91 4 3 2 1

  19. Put these numbers in order fromleast to greatest 5,872 5,832 5,991 1,910 5,010 5, 872 5, 832 5, 991 1, 910 5, 010

  20. You Try Some

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