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Review Chapter

Review Chapter. Weerawattk.wordpress.com. Read each of the following in words. 38. thirty-eight. -72. negative seventy-two. 691. Six hundred and ninety-one. Read each of the following in words. -745. negative hundred seven and forty-five. 2813. two thousand eight hundred

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Review Chapter

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  1. Review Chapter Weerawattk.wordpress.com

  2. Read each of the following in words. 38 thirty-eight -72 negative seventy-two 691 Six hundred and ninety-one

  3. Read each of the following in words. -745 negative hundred seven and forty-five 2813 two thousand eight hundred and thirteen -3254 Negative three thousand two hundred and fifty-four

  4. Integer 1,2,3,4,5,… positive integer -1,-2,-3,… negative integer 2,4,6,8,… even number

  5. Integer 1,3,5,7,… odd number 2,3,5,7,11,… prime number number line

  6. To compare numbers we use the following symbols Seven is greater than three. Seven eight and nine are greater than or equal to seven. two is less than nine. One two and seven are less than or equal to seven. seven is equal to seven.

  7. ( 0, -4, -2, 5, 3 Arrange the following sets of integers in descending order. Arrange the following sets of integers in ascending order. 5, 3, 0, -2, -4 -4, -2, 0, 3, 5

  8. HCF: Highest Common Factor Find the HCF of 12 and 32 The highest common factor (HCF)of 12 and 32 is 4. Find the HCF of 12 ,32 and 18 The highest common factor (HCF)of 12 ,32 and 18 is 2.

  9. LCM: Lowest Common Multiple Find the LCM of 12 and 32 The lowest common multiple (LCM)of 12 and 32 is 96. Find the LCM of 18 ,45 and 6 The lowest common multiple (LCM)of 18 ,45 and 6 is 180.

  10. Addition subtraction Multiplication and Division of integer The University of Texas at Dallas

  11. + plus - minus x times Introduce symbols  divided by

  12. (1) -1 + 3 =2 Negative one plus three is equal to two. (2) (-6) + (-3) =-9 Negative six plus negative three is equal to negative nine.

  13. (3) -12 – (-3) =- 9 Negative twelve minus negative three is equal to negative nine. (4) 7 - (-2) = 9 Seven minus negative two is equal to nine.

  14. (5) -10 x 3 =-30 Negative ten times three is equal to negative thirty. (6) 15  (-3) =-5 Fifteen divided by negative three is equal to negative five.

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