Presentation is loading. Please wait.

Presentation is loading. Please wait.

5 Minute Check Complete on the back of your homework. Write each percent as a decimal. 1. 27% 2. 15% Write each decimal as a percent. 3. 0.75 4. 0.8.

Similar presentations


Presentation on theme: "5 Minute Check Complete on the back of your homework. Write each percent as a decimal. 1. 27% 2. 15% Write each decimal as a percent. 3. 0.75 4. 0.8."— Presentation transcript:

1 5 Minute Check Complete on the back of your homework. Write each percent as a decimal. 1. 27% 2. 15% Write each decimal as a percent. 3. 0.75 4. 0.8

2 5 Minute Check Complete on the back of your homework. Write each percent as a decimal. 1. 27%

3 5 Minute Check Complete on the back of your homework. Write each percent as a decimal. 1. 27%.27.% = 0.27

4 5 Minute Check Complete on the back of your homework. Write each percent as a decimal. 2. 15%

5 5 Minute Check Complete on the back of your homework. Write each percent as a decimal. 2. 15%.15.% = 0.15

6 5 Minute Check Complete on the back of your homework. Write each decimal as a percent. 3. 0.75

7 5 Minute Check Complete on the back of your homework. Write each decimal as a percent. 3. 0.75 0.75.% = 75%

8 5 Minute Check Complete on the back of your homework. Write each decimal as a percent. 4. 0.8

9 5 Minute Check Complete on the back of your homework. Write each decimal as a percent. 4. 0.8 0.80.% = 80%

10 Flashcards

11 Thursday, Sept 17 Lesson 2.7a Percent of a Number

12 Objective: To find the percent of a number.

13 To find the percent of a number we first have to understand how to multiply decimals. Percent of a Number

14 Find the product of 4 and.83. To Multiply Decimals. Step 1 – Stack the numbers with the number with the most digits on top. Percent of a Number

15 Find the product of 4 and.83. To Multiply Decimals. Step 1 – Stack the numbers with the number with the most digits on top..83 x 4 Percent of a Number

16 Find the product of 4 and.83. To Multiply Decimals. Step 2 – Multiply the digits without regard to the decimal point..83 x 4 Percent of a Number

17 Find the product of 4 and.83. To Multiply Decimals. Step 2 – Multiply the digits without regard to the decimal point..83 x 4 332

18 Percent of a Number Find the product of 4 and.83. To Multiply Decimals. Step 3 – Count the decimals places in the factors..83 x 4 332

19 Percent of a Number Find the product of 4 and.83. To Multiply Decimals. Step 3 – Count the decimals places in the factors..832 decimal places x 40 decimal places 3322 total decimal places

20 Percent of a Number Find the product of 4 and.83. To Multiply Decimals. Step 4 – Place the decimal point in the product to include the total decimal places..832 decimal places x 40 decimal places 3322 total decimal places

21 Percent of a Number Find the product of 4 and.83. To Multiply Decimals. Step 4 – Place the decimal point in the product to include the total decimal places..832 decimal places x 40 decimal places 3.322 total decimal places

22 Percent of a Number Find the product of 4 and.83. Another way of thinking about this is by adding four groups of.83.

23 Percent of a Number Find the product of 3 and 14.2. Step 1 - ?

24 Percent of a Number Find the product of 3 and 14.2. 3 x 14.2 Step 2 - ?

25 Percent of a Number Find the product of 3 and 14.2. 14.2 x 3 Step 2 - ?

26 Percent of a Number Find the product of 3 and 14.2. 14.2 x 3 426 Step 3 - ?

27 Percent of a Number Find the product of 3 and 14.2. 14.2 1 decimal place x 3 0 decimal place 426 1 total decimal place Step 4 - ?

28 Percent of a Number Find the product of 3 and 14.2. 14.2 1 decimal place x 3 0 decimal place 42.6 1 total decimal place

29 Percent of a Number Find the product of 3 and 14.2. Remember, this is just…..

30 Percent of a Number Find the product of 4 and.95 Do this on your own

31 Percent of a Number Find the product of 4 and.95..95 2 decimal places x 4 0 decimal places 3.80 2 total decimal places

32 Percent of a Number Find the product of 4 and.95

33 Percent of a Number Find the product of 2 and.18 Do this on your own

34 Percent of a Number Find the product of 2 and.18.18 2 decimal places x 2 0 decimal places.36 2 total decimal places

35 Percent of a Number Find the product of 2 and.018 Do this on your own.

36 Percent of a Number Find the product of 2 and.018.018 3 decimal places x 2 0 decimal places.036 3 total decimal places

37 Percent of a Number Find the product of 4 and 0.027 Do this on your own

38 Percent of a Number Find the product of 4 and 0.027 0.027 3 decimal places x 4 0 decimal places 0.108 3 total decimal places

39 Percent of a Number Find the product of.6 and 0.72

40 Percent of a Number Find the product of.6 and 0.72 0.72 2 decimal places x.6 1 decimal places 0.432 3 total decimal places

41 Percent of a Number Find the product of 0.14 and 0.27

42 Percent of a Number Find the product of 0.14 and 0.27.27 2 decimal places x.1 4 2 decimal places 108 4 total decimal places + 270 0.0378

43 Percent of a Number Find 20% of 60 To find the percent of a number, convert the percent to a decimal and multiply.

44 Percent of a Number Find 20% of 60 60 0 decimal places x.2 1 decimal places 12.0 1 total decimal place 20% of 60 is 12

45 Percent of a Number Find 5% of 80

46 Percent of a Number Find 5% of 80 80 0 decimal places x.05 2 decimal places 400 2 total decimal place +0000 4.00 5% of 80 is 4

47 Percent of a Number Find 65% of 90

48 Percent of a Number Find 65% of 90 90 0 decimal places x.65 2 decimal places 450 2 total decimal place +5400 58.50 65% of 90 is 58.5

49 Percent of a Number Find 85% of 42

50 Percent of a Number Find 85% of 42 42 0 decimal places x.85 2 decimal places 210 2 total decimal place +3360 32.70 85% of 42 is 32.7

51 Percent of a Number Find 85% of 42 42 0 decimal places x.85 2 decimal places 210 2 total decimal place +3360 35.70 85% of 42 is 35.7

52 Percent of a Number Find 22.5% of 40

53 Percent of a Number Find 22.5% of 40.225 3 decimal places x 40 0 decimal places 000 3 total decimal place +9000 9.000 22.5% of 40 is 9

54 Percent of a Number Find 125% of 20

55 Percent of a Number Find 125% of 20 1.25 2 decimal places x 20 0 decimal places 000 2 total decimal place +2500 25.00 125% of 20 is 25

56 Percent of a Number Find.2 % of 34

57 Percent of a Number Find.2 % of 34.002 3 decimal places x 34 0 decimal places 008 3 total decimal place +0060 0.068.2 % of 34 is 0.068

58 Percent of a Number Find 3% of 70

59 Percent of a Number Find 3% of 70 70 x.03 Work to be shown 210 on homework. + 000 2.10 3% of 70 is 2.1

60 Percent of a Number Agenda Notes Homework –Homework Practice 2.7a Due Friday, Sept 18 Show all work and circle answer. Mid-Chapter 2 Quiz Monday, Sept 21


Download ppt "5 Minute Check Complete on the back of your homework. Write each percent as a decimal. 1. 27% 2. 15% Write each decimal as a percent. 3. 0.75 4. 0.8."

Similar presentations


Ads by Google