5 (–10) 5 12 – – 6 18 – 14 3 – 6 –7 – 21 5 – 17 –13 – (–9) –8 – 3 –8 – (–4) –9 – 9 4 – (–6) –2 – Spiral Review 1. Use the chip model to find 12 + 5. 2. What percent of 80 is 60?
5 – 12 6 – 18 14 – 3 21 – 5 –13 – 17 –8 – 3 –9 – (–4) –2 – (–6) 5 – (–10) –7 – 6 –8 – (–9) 9 – 4 Spiral Review 1. Use the chip model to find 12 + 5. 2. What percent of 80 is 60?