Add using a number line. a) (+3) + (+5) = b) (–8) + (–4) = c) (+6) + (+3) = d) (+4) + (–2) = e) (–8) + (+5) = f) (–4) + (+8) = 2. Add a) (–5) + (–6) d) (–4) + (+2) b) (+5) + (+1) e) (–9) + (+9) c) (–3) + (–6) f) (–7) + (+2) 3. The temperature was It then rose 8°C. What was the final temperature? –5°C. Use integers to solve the problem. 4. Add a) (–5) + (–6) d) (–11) + (+2) b) (+4) + (+1) e) (–9) + (+19) c) (–9) + (–6) f) (–18) + (+1) 4. Subtract using a number line.
Add using a number line. a) (+3) + (+5) = b) (–8) + (–4) = c) (+6) + (+3) = d) (+4) + (–2) = e) (–8) + (+5) = f) (–4) + (+8) = 2. Add a) (–5) + (–6) b) (+5) + (+1) c) (–3) + (–6) d) (–4) + (+2) e) (–9) + (+9) f) (–7) + (+2) 3. The temperature was –5°C. It then rose 8°C. What was the final temperature? Use integers to solve the problem. 4. Add a) (–5) + (–6) b) (+4) + (+1) c) (–9) + (–6) d) (–11) + (+2) e) (–9) + (+19) f) (–18) + (+1) 4. Subtract using a number line.