Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
1.2 HW—Extending the Number Line Name: _____________________________ Period:___ 11. Order the numbers from least to greatest. 4 23.6 - 45.2 50 -0.5 0.3 − 5 Insert <, >, or = to make each a true statement. 12. 3____0 13. -23.4____23.4 14. 46____-79 15. -75____-90 16. -300____100 17. -1,000____-999 18. -1.73____-1.730 19. - 4.3 ____ - 4.03 20. a. Estimate values for points A-E. b. Graph the following numbers on the number line above. -9 10.5 c. Describe the location of a number and its opposite on the number line. 1 2 − 5 2 21. For each pair of numbers, identify which number is farther from +1, Explain your reasoning. a. -7 or +3 b. -10 or +7 22. Identify the temperature that is halfway between each pair of temperatures. a. -23˚F and +23˚F b. -20˚F and +10˚F c. +20˚F and -10˚F For Exercises 23-30, graph each statement on a number line. 23. x is less than 7. 24. X is greater than or equal to -7 25. x < -2 26. x ≥ -1 27. x ≤ 8 28. x < 5 29. -3 < x < 5 30. x > -6 For Exercises 31-34, write an inequality for each set of numbers on the number line. 31. 32. 33. 34. 35. The school cafeteria can hold at most 150 people. a. Write a number sentence to represent the number of people that can be in the cafeteria at any time during the day. b. Graph your answer to part (a) on a number line For Exercises 59-64, name the two numbers described. 59. two fractions between 0 and 1 60. two fractions between 2 and 3 61. two fractions between -1 and 0 62. two decimals between -3 and -2 63. two decimals between 4 and 5 64. two decimals between -4 and -3 69. Label the first tick mark -7.7 and the last tick mark -7.6. Label the appropriate tick mark for -7.65. Then label the remaining tick marks. For Exercises 72-75, Order the numbers from least to greatest. 2 72. 5, 3 , 10 5 9 9 25 , 4 74. 1.52, 1 7, 2, 73. 20.33, 2.505, 23.30, 23 9 6 75. 3, 19 6 8 , 2 9, 2.95 1.2 HW—Extending the Number Line Name: _____________________________ Period:___ For Exercises 79-84, find all the values of x that satisfy the statement. Then sketch the solution on a number line. 79. x + 2 is negative. 80. x – 5 is greater than 0. 81. x + 3 < 1 82. x + 3 ≥ 2 83. 3 – x < 0 84. 6 ≤ x – 4 For Exercises 85-87, find the missing temperature in each situation. 85. On Monday, the high temperature was 20˚C. The low temperature was -15˚C. What temperature is halfway between the high and the low? 86. On Tuesday, the low temperature was -8˚C. The temperature halfway between the high and The low is 5˚C. What was the high temperature? 87. On Wednesday, the high temperature was -10˚C. The low temperature was -15˚C. What temperature is halfway between the high and the low?