Textbook+Questions+8.4


 * Writing and Reading Equations **

Chose the correct equation from the options on the bottom. 1. Three subtracted from a number is seven. 2. A number multiplied by three is eighteen. 3. A number increased by seven is thirteen. 4. Four added to a number is nine. 5. Twelve reduced by a number is four. 6. A number divided by three is twelve.

3x = 18 12 - s = 4 y - 3 = 7 x/3 = 12 r + 7 = 13 n + 4 = 9 x - 5 = 12

Write an equation for each sentence. 7. 4 added to a number is 16. 8. 7 subtracted from a number is 5. 9. A number multiplied by 2 is 18. 10. A number divided by 3 is 6. 11. One half of a number is 5. 12. One quarter of a number is 2.

Write each of the following in words. 13. A number divided by 3 is 10. 14. A number increased by 7 is 11. 15. A number multiplied by by 6 is 6. 16. A number decreased by 4 is 8. 17. 14 divided by a number is 2. 18. A number increased by 3 is 5.

Write each of the following in words. 19. n + 15 = 25 20. t - 4 = 11 21. 5x = 30 22. w/3 = 6 23. r + 21 = 33 24. m - 9 = 20 25. 4t = 32 26. x/5 = 7

Write and solve an equation for each statement. 27. Earl's age increased by 5 is 17. 28. Saleena's age decreased by 5 is 18. 29. Twice Bob's age is 24. 30. Half of Anne's age is 12. 31. Julio's age divided by 3 is 5. 32. Shirley's age in 3 years will be 14.

Write and solve an equation for each of the following. 33. The length is 3 more than the width. The length is 15. 34. Maria's age is twice Jane's age. Maria is 24. 35. Brett has sold half as many papers as Tom. Brett has sold 250 papers. 36. Elaine's book has 3 fewer pages than Margarite's book. Elaine's book has 200 pages.