1. Adding, Subtracting, Multiplying and Dividing Fractions and Decimals Test Review

2. TEKS that we covered the last few days: 7.3 Number and operations. The student applies mathematical process standards to add, subtract, multiply, and divide while solving problems and justifying solutions. The student is expected to: (A)add, subtract, multiply and divide rational numbers fluently; and (B)Apply extended and previous understandings of operations to solve problems using addition, subtraction, multiplication, and division of rational numbers.

3. Which of the following statements is true when adding and subtracting decimals? a. You do not have to line up the decimals b. You must line up the decimals.

4. “You must have the same denominator” For which of the following is this a rule for? a.Multiplying decimals b.Multiplying fractions c.Dividing fractions d.Adding and subtracting fractions

5. “Once you get your result, count the total number of decimal places -- numbers to the right of the decimal point -- in the two numbers you multiplied. Your final answer will have the same number of decimal places. -For which of the following is this a rule? a.Multiplying Fractions b.Multiplying Decimals c.Dividing Fractions d.Dividing Decimals

6. Which of the following statements is true when multiplying fractions? a.You must follow the KCF rule b.You must find a common denominator c.You multiply the numerator and denominator straight across

7. True or false: When dividing decimals, you may have a decimal in the divisor.

8. True or False If your fraction answer can be simplified, you must simplify (reduce) it.

9. True or False When multiplying or dividing, if your answer is an improper fraction, you can leave it improper.

10. Which of the following rules do you use when dividing fractions? a.KFC – Keep, flip, change b.KCF – Keep, Change, Flip

11. 4.63 + 2.79

12. 1 32 +

13. 10 – 5.32

14. 3 1 5 3 _

15. 3 2 4 18 = ×

16. 32.3 x 0.012

17. 1 13 3 9 = ÷

18. 21.6 ÷ 6

19. 3 2 69 +

20. 105 + 2.153

21. 1 2 4 3 _ 6 3

22. 12.34 – 6.45

23. 5 2 10 3 = ×

24. 631.2 x 0.01

25. 1 1 4 2 ÷2 2

26. 6.5 ÷ 1.3