Name Date Class Practice B Multiplying integers Write the sign of each product. 1.7,8 2. 5, (-9) 4.-6o(-11) 3. -4,12 5.-ÿ3,8 6.-12 °(-18) Find each product. 7.5 ,(-7) 8. -4,3 9. -8,(-2) 10.-e, (-1) ÿ 11.5,(-6) ÿ !2. -lo. (-4) 13.6,(-8) 14. 0 . (-3) 15. 7 . (-9) Evaluate 4n for each value of n. 16. n = 2 ÿ f- \, \ 17. n = -4 19. n= -3 , 18. n= -7 20. n= 11 21. n=0 Evaluate -3n for each value of n. 22. n = -5 ÿ 23. n = 0 25. n = -8 24. n= 6 26. n = 7 28. Last month, Tyler made five withdrawals of $25 each from his bank account and no deposits. What multiplication expression models Tyler's bank transactions iast month? 27. n- -1 29. The Atlantic Ocean is sinking 4 inches every 100 years. Write a multiplication expression that models how much the Atlantic Ocean will sink in 300 years. How many inches will it sink in that time? iÿ¸ ',, T ' All rights reserved. - Copyright @by Holt, Rinehart and Winston. ' 44 Holt Mathematics Name Date .J Practice B Class , Write the sign of each quotient. 1.56 + 8 2. -45 + (-9) 4. 54 + (-6) 5. -84 + 7 6.-225 + (-15) 8. 15 + (-3) 9. -56 + 8 __ 3. 36 + (-12) Find each quotient. 7. -45 + 9 10.-lO + (-5)_ 11.28 + (-7) 12.-36 + (-6) 13.81 +9 14. -72 + 9 15. -121 + (-11) Evaluate ÿ for each value of n. 16. n = 6 __ 19. n = -36 17. n = -18__ 18. n = -24 20. n = 30 __ 21. n = -21 Evaluate n + 2 for each value of n. 22. n = -14 25. n= 8 23. n = 20 24. n = -24 26. n = -18 __ 28. What two division equations can you use to check the answer to the problem 6 * (-4) = -24? 27. n = -22 / 29. Why are the rules for dividing integers similar to the rules for J multiplying integers? F'" 30. What two multiplication equations can you use to check the answer to the problem -32 + 8 = -4? Copyright@by Holt, R[neharÿand Winston. All rights reserved. 31. Name two integers whose product is -18 and whose quotient is -2. 52 Holt Mathematics
© Copyright 2024