1. Unit 2 Review Flashcards Unit 2 Review Flashcards ALA: Pre-Algebra Unit 2 Fractions

2. PUTTING IT ALL TOGETHER ALA Unit 2 Fractions Review

3. ⅚ ÷ ⅚ 1

4. 249 1

5. Any number divided by itself = 1.

6. ⅚ + 0 ⅚

7. 249 + 0 249 249 1

8. Adding zero to any number gives you the same number.

9. 3 - 4 6 8 0

10. Any number minus itself always gives you zero.

11. 8  47 47 8

12. 1  25 2 25 25/50 o r ½

13. Multiplying any number by 1 gives you the same number.

14. 1  0 2 25 0

15. Multiplying any number by 0 gives you 0.

16. DON’T YOU DARE!

17.  25 0 undefined

18. You can’t divide by 0. The denominator of a fraction can’t be 0.

19. ⅓ + 2 × ⅓ 1

20. ORDER OF OPERATIONS PLEASE EXCUSE MY DEAR AUNT SALLY

21. ⅚ ÷ 5 × 4 ⅔

22. (½ + ¼) 2 9/16

23. ⅘ + ⅘ (1 – ½) 2 1

24. FAMOUS FRACTIONS AND DECIMALS

25. FRACTIONDECIMAL ½.5

26. FRACTIONDECIMAL ¼.25

27. FRACTIONDECIMAL ¾.75

28. FRACTIONDECIMAL 1/10.1

29. FRACTIONDECIMAL 1/100.01

30. Fraction Rap When you’re adding up or taking away fractions, don’t be a hater. Bottom number’s got to be the same… COMMON DENOMINATOR! Multiply fractions, no big problem… TOP TIMES TOP AND BOTTOM TIMES BOTTOM Dividing fractions, easy as pie FLIP THE SECOND AND MULTIPLY!

31. ADD, SUBTRACT, MULTIPLY, AND DIVIDE: ¼⅔ SUM PRODUCT DIFFERENCE QUOTIENT 11/125/12 ⅙ 8/3

32. ADD, SUBTRACT, MULTIPLY, AND DIVIDE: 1 ¼2⅔ SUM PRODUCT DIFFERENCE QUOTIENT 47/1217/12 10/3 32/15

33. You must have common denominators, You must have common denominators, TO ADD OR SUBTRACT, You must have common denominators!

34. Write 247 as a fraction: 247 1

35. Start with ½ DOUBLE IT: HALVE IT: SQUARE IT: 1 ¼ ¼

36. Start with ¾ DOUBLE IT: HALVE IT: SQUARE IT: 1 ½ ⅜ 9/16

37. What happens when you multiply reciprocals? You always get 1!

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