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1 STANDARD 1.3 Converting a Fraction to % Problem 1 Problem 4 Problems 3 Problem 2 Problem 5 END SHOW PRESENTATION CREATED BY SIMON PEREZ. All rights reserved.

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Presentation on theme: "1 STANDARD 1.3 Converting a Fraction to % Problem 1 Problem 4 Problems 3 Problem 2 Problem 5 END SHOW PRESENTATION CREATED BY SIMON PEREZ. All rights reserved."— Presentation transcript:

1 1 STANDARD 1.3 Converting a Fraction to % Problem 1 Problem 4 Problems 3 Problem 2 Problem 5 END SHOW PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

2 2 1.3 Convert fractions to decimals and percents and use these representations in estimations, computations and applications. 1.3 Convertir fracciones a decimales y porcentajes y usar estas representaciones en estimaciones, cálculos y aplicaciones. GRADE 7: Number Sense PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

3 3 STANDARD 1.3 9 8 7 6 5 4 3 2 1 10 100 = 1 10 =0.1 10% =0.10 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

4 4 STANDARD 1.3 9 8 7 6 5 4 3 2 1 10 19 18 17 16 15 14 13 12 11 20 2 10 = 20 100 = 1 5 =0.2 20% =0.20 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

5 5 STANDARD 1.3 4 10 = 40 100 = 2 5 =0.4 40% =0.40 29 28 27 26 25 24 23 22 21 30 39 38 37 36 35 34 33 32 31 40 9 8 7 6 5 4 3 2 1 10 19 18 17 16 15 14 13 12 11 20 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

6 6 STANDARD 1.3 6 10 = 60 100 = 3 5 =0.6 60% =0.60 29 28 27 26 25 24 23 22 21 30 39 38 37 36 35 34 33 32 31 40 9 8 7 6 5 4 3 2 1 10 19 18 17 16 15 14 13 12 11 20 49 48 47 46 45 44 43 42 41 50 59 58 57 56 55 54 53 52 51 60 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

7 7 STANDARD 1.3 8 10 = 80 100 = 4 5 =0.8 80% =0.80 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

8 8 STANDARD 1.3 8 10 = 80 100 = 4 5 =0.8 80% =0.80 Find 80% of 60: Remember: then 80 hundredths of 60 are: If 80 100 60= 0.8 x 60 0 48 x 60.8 Decimal places Decimal places in the result. 0 1 1 = 48 48 is 80% of 60 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

9 9 STANDARD 1.3 Find 20% of 95: Remember: Then 20 hundredths of 95 are: If 20 100 95= 0.2 x 95 0 19 x 95.2 Decimal places Decimal places in the result. 0 1 1 = 19 9 8 7 6 5 4 3 2 1 10 19 18 17 16 15 14 13 12 11 20 2 10 = 20 100 = 1 5 =0.2 20% =0.20 19 is 20% of 95 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

10 10 STANDARD 1.3 Find 40% of 15: Remember: Then 40 hundredths of 15 are: If 40 100 15= 0.4 x 15 0 6 x 15.4 Decimal places Decimal places in the result. 0 1 1 = 6 6 is 40% of 15 4 10 = 40 100 = 2 5 =0.4 40% =0.40 29 28 27 26 25 24 23 22 21 30 39 38 37 36 35 34 33 32 31 40 9 8 7 6 5 4 3 2 1 10 19 18 17 16 15 14 13 12 11 20 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

11 11 STANDARD 1.3 Find 60% of 81: Remember: Then 60 hundredths of 81 are: If 60 100 81= 0.6 x 81 6 48 x 81.6 Decimal places Decimal places in the result. 0 1 1 = 48.6 48.6 is 60% of 81 6 10 = 60 100 = 3 5 =0.6 60% =0.60 29 28 27 26 25 24 23 22 21 30 39 38 37 36 35 34 33 32 31 40 9 8 7 6 5 4 3 2 1 10 19 18 17 16 15 14 13 12 11 20 49 48 47 46 45 44 43 42 41 50 59 58 57 56 55 54 53 52 51 60 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

12 12 Find 35% of 12: 35 100 12= 0.35 x 12 = 4.2 4.2 is 35% of 12 Find 47% of 23: 47 100 23= 0.47 x 23 = 10.81 10.81 is 47% of 23 Find 15% of 4: 15 100 4= 0.15 x 4 = 0.6 0.6 is 15% of 4 STANDARD 1.3 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved


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