Solve.

 1 a. (–3) + 10 + (–9) + (–1) = ______
 1 b. 7 + 5 + (–9) + 10 = ______
 2 a. (–2) + (–17) + (–10) + 9 = ______
 2 b. 5 + 10 + (–4) + (–1) = ______
 3 a. (–2) + (–5) + (–8) + (–8) = ______
 3 b. 10 + 9 + 8 + (–4) = ______
 4 a. 19 + (–4) + (–4) + (–10) = ______
 4 b. (–7) + 4 + (–7) + 11 = ______
 5 a. 5 + 4 + 6 + 2 = ______
 5 b. (–9) + (–9) + (–7) + (–1) = ______
 6 a. 5 + (–6) + 4 + 8 = ______
 6 b. 0 + (–5) + (–10) + 15 = ______
 7 a. 20 + (–5) + (–9) + (–7) = ______
 7 b. 9 + (–9) + 4 + 8 = ______
 8 a. 7 + 1 + (–2) + 3 = ______
 8 b. (–18) + 6 + (–6) + (–8) = ______
 9 a. 5 + (–5) + (–1) + 11 = ______
 9 b. 2 + 7 + (–4) + 15 = ______
 10 a. 17 + 0 + 8 + (–8) = ______
 10 b. (–5) + 10 + 7 + (–18) = ______
Page 2

 1 a. –3
 1 b. 13
 2 a. –20
 2 b. 10
 3 a. –23
 3 b. 23
 4 a. 1
 4 b. 1
 5 a. 17
 5 b. –26
 6 a. 11
 6 b. 0
 7 a. –1
 7 b. 12
 8 a. 9
 8 b. –26
 9 a. 10
 9 b. 20
 10 a. 17
 10 b. –6

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