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

GRADE 7: Number Sense 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. PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

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

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

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 2 5 4 10 = 40 100 = 40% =0.4 =0.40 STANDARD 1.3 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

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 3 5 6 10 = 60 100 = 60% =0.6 =0.60 STANDARD 1.3 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

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

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

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

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

60% Find 60% of 81: Remember: 6 10 = 60 100 3 5 =0.6 =0.60 If x 81 .6 29 28 27 26 25 24 23 22 21 30 39 38 37 36 35 34 33 32 31 40 9 8 7 4 2 1 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 If x 81 .6 Decimal places Decimal places in the result. 1 48 6 1 Then 60 hundredths of 81 are: 60 100 81 = 0.6 x 81 = 48.6 48.6 is 60% of 81 STANDARD 1.3 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

Find 35% of 12: Find 47% of 23: 35 100 47 100 12 = 0.35 x 12 23 = 0.47 x 23 = 4.2 = 10.81 4.2 is 35% of 12 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