Quickfire formative assessment plan for: Unit 1 - Real numbers - Operations with integers - Addition and subtraction

1. -4 + -5 = _____

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2. Solve -4 + -5 using the number line.

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3. 6 + -7 = _____

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4. 6 + -7 = _____

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5. -6 + -2 = ____

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6. -6 + -2 = ____

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7. 5 + -3 = _____

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8. 5 + -3 = _____

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9. -5 + -5 = _____

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10. -5 + -5 = _____

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11. -47 + 20 = _____

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12. -47 + 20 = _____

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13. Change this subtraction in to an addition: 4 – 12 = _____

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14. Change this subtraction in to an addition: 4 – 12 = _____

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15. Change this subtraction in to an addition: -7 – 2 = _____

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16. Change this subtraction in to an addition: -7 – 2 = _____

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17. Change this subtraction in to an addition: 12 – -3 = _____

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18. Change this subtraction in to an addition: 12 – -3 = _____

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19. Change in to an addition and solve: -12 + 30 + 21 – 34 = _________

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20. Change in to an addition and solve: -12 + 30 + 21 – 34 = _________

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21. Katherine is very interested in cryogenics (the science of very low temperatures). With the help of her science teacher she is doing an experiment on the affect of low temperatures on bacteria. She cools one sample of bacteria to a temperature of -51°C an

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22. You owe $225 on your credit card. You make a $55 payment and then purchase $87 worth of clothes at Harvey Norman. What is the integer that represents the balance owed on the credit card?

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23. It was a very freaky weather day. The temperature started out at 9°C in the morning and went to -13°C at noon. It stayed at that temperature for six hours and then rose 7°C. How far below the freezing point (0°C) was the temperature at 6 p.m.?

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24. An elevator is on the twentieth floor. It goes down 11 floors and then up 5 floors. What floor is the elevator on now?

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25. Pythagoras was born about 582 BC. Isaac Newton was born in 1643 AD. How many years apart were they born?

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