 Signed Numbers Practice MathBitsNotebook.com Terms of Use   Contact Person: Donna Roberts  Directions: Solve each problem and check to see if your answer is correct.
 1. – 5 + 9 = Answer 4 2. 17 + (– 10) + 3 = Answer 10 3. – 4 x (– 11) = Answer 44 4.  –8 – (– 8) + 10 = Answer 10 5.  20 + (– 14) – (+6) = Answer 0 6.  –12 + 5 – (– 3) = Answer -4 7.  –24 ÷ (– 12) = Answer 2 8.  40 – (– 20) + (– 30) = Answer 30 9.  10.5 + (– 4.5) – (6) = Answer 0 10.  – 12 x (– 8) = Answer 96
 11.  – 64 ÷ 8 = Answer -8 12.  32 + (– 9) – (–2)2 = Answer -4 13.  4 – (6 – 3) + (– 5) = Answer -4 14.  20 – 3 (– 6 + 4) – 8 = Answer 18 15.  (–42) ÷ (–7) – (–4)2 = Answer -10 16.  (–5) + (–6) + (–7) = Answer -18 17.  –45 ÷ 9 – (– 5) = Answer 0 18.  16 – (–6) ÷ (–2) = Answer 13 19.  – 7 + (–6) x (–2) = Answer 5 20.  9 x (–2) ÷ 6 = Answer -3

 21. You had \$25.00 in your checking account. While you planned to deposit an additional \$80 to cover the cost of a new pair of sneakers, you forgot to make the deposit. You wrote the check for \$103.95 for the sneakers. The bank informed you that you needed to deposit sufficient funds to cover the check, in addition to a \$10 fee for being overdrawn. What was the minimum amount you needed to deposit immediately in the bank? 22. At 6 AM, the weather station reported that school would be delayed for 2 hours because the temperature was 25º F below zero. The high temperature for that day occurred at 2 PM at 26º F above zero. By how many degrees did the temperature increase between 6 AM and 2 PM ? 23. A species of fish live at 200 feet below sea level. During a play-fest, two young fish ascend 15 feet, descend 40 feet, ascend 36 feet and descend 15 feet. At how many feet below sea level are the two fish when the play ends?  