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Multiplication and division with negatives

Stuck? Read the notes

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Evaluate the following without a calculator:

1. (-12) \times (-3)
2. 11 \times (-2)
3. 4 \times (-13)
4. (-6) \times 8
5. 14 \times (-6)
6. (-9) \times 11
7. (-13) \times 12
8. (-3) \times (-10)
9. (-9)^{2}

Find the answer to the following divisions, without using a calculator:

10. (-91) \div (-13)
11. 70 \div (-5)
12. (-18) \div (-3)
13. (-42) \div (-14)
14. (-18) \div 2
15. (-24) \div 12
16. 121 \div (-11)
17. 56 \div (-7)
18. (-60) \div 6

Quick mix. Find, without a calculator:

19. 9 \times (-11)
20. (-70) \div (-14)
21. (-4) \div 2
22. (-6) \times (-10)
23. (-15)^{2}
24. \left( (-25) \times (-5) \right) \div (-5)