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math 6 week 5

1. WEEK 5 MATHEMATICS 6

2. MULTIPLYING DECIMALS A ND MIXED DECIMALS

3. Multiplying decimals by decimals. 1. 0.4 x 0.6 2. 0.2 x 0.3 3. 0.15 x 0.4 4. 0.9 x 0.3 5. 0.5 x 0.25

4. Mike bought a dozen doughnuts worth Php15.50 each. He gave these to some street children whom he saw begging for food. How much did he pay for the doughnuts?

5. 2.58 X 0.32

6. 3.57 X 0.61

7. 8.34 X 0.35

8. Who invented the decimal point? Solve the equations to know the answer.

9. A. 5.3 x 0.86 E. 7.81 x 0.47 H. 4.03 X 0.44 5.71 X 0.45 J. 2.6 X 0.54 7.8 x 0.11 6.8 x 0.95 1.6 x 0.63 R. 6.1 x 0.99 _____ _____ _____ _____ _____ _____ _____ _____ _____ ______ 1.404 6.460 1.7732 0.858 0.858 4.558 1.008 2.5695 3.6707 6.039 Group 1

10. A. 1.5 x 0.40 E. 5.24 x 0.98 H. 9.9 x 0.19 1.21 x 0.88 J. 6.13 x 0.11 7.7 x 0.25 6.4 x 0.16 5.4 x 0.37 R. 4.8 0.56 _____ _____ _____ _____ _____ _____ _____ _____ _____ ______ 0.6743 1.024 1.881 1.925 1.925 0.600 1.998 1.0648 5.1352 2.688 Group 2

11. A. 2.5 x 0.84 E. 1.6 x 0.13 H. 3.6 x 0.48 7.3 x 0.46 J. 8.1 x 0.73 6.5 x 0.14 6.6 x 0.20 5.21 x 0.61 R. 6.91 0.41 _____ _____ _____ _____ _____ _____ _____ _____ _____ ______ 5.913 1.320 1.728 0.910 0.910 2.100 3.1781 3.358 0.208 2.8331 Group 3

12. A. 9.5 x 0.42 E. 6.9 x 0.38 H. 2.9 x 0.39 2.3 x 0.85 J. 9.7 x 0.71 3.2 x 0.56 3.3 x 0.44 4.2 x 0.15 R. 5.9 x 0.44 _____ _____ _____ _____ _____ _____ _____ _____ _____ ______ 6.887 1.452 1.131 1.792 1.792 3.990 0.630 1.955 2.622 2.596 Group 4

13. The chart shows a list of activities and the approximate amount of energy required for the average adult. Activity Calorie per minute Lying at rest 0.58 Standing 0.55 Playing volleyball 0.92 Washing dishes 0.95

14. The General PTA of a school held a fund-raising activity for their scholarship for pupils that need financial assistance and utilities maintenance projects. The auditor announced that they earned Php 25,536.50. The president said that they will put aside 50% of it for the scholarship project. The treasurer multiplied their earnings by 0.5 to know how much will be put aside.

15. In multiplying a mixed decimal by another decimal, you can multiply them as if they are ___________. In placing the ____ in the product, get the _____ of the number of decimal places in each factor.

16. Multiply. Show your solutions. 1. 4.15 x 0.26 2. 3.45 x 0.23 3. 9.22 x 0.51 4. 4.38 x 0.11 5. 3.93 x 0.62

17. Read and Solve. Mrs. Nicolas has 2.54 meters of lace. If 0.78 is the part of the lace used in edging the sides of the table cloth, find the length of the lace used.

18. Thank you for Listening!