Download presentation

Presentation is loading. Please wait.

Published byDamaris Allread Modified over 3 years ago

1
EXAMPLE 1 Multiply Decimals Using Mental Math a.

2
**Multiply Decimals Using Mental Math**

EXAMPLE 1 Multiply Decimals Using Mental Math a. Move 3 places to the right.

3
**Multiply Decimals Using Mental Math**

EXAMPLE 1 Multiply Decimals Using Mental Math a. = Move 3 places to the right.

4
**Multiply Decimals Using Mental Math**

EXAMPLE 1 Multiply Decimals Using Mental Math a. = Move 3 places to the right. = 50

5
**Multiply Decimals Using Mental Math**

EXAMPLE 1 Multiply Decimals Using Mental Math a. = Move 3 places to the right. = 50 b.

6
**Multiply Decimals Using Mental Math**

EXAMPLE 1 Multiply Decimals Using Mental Math a. = Move 3 places to the right. = 50 b. Move 4 places to the left.

7
**= .0 0 9 5 3 8 EXAMPLE 1 Multiply Decimals Using Mental Math a.**

= Move 3 places to the right. = 50 b. = Move 4 places to the left.

8
**= .0 0 9 5 3 8 EXAMPLE 1 Multiply Decimals Using Mental Math a.**

= Move 3 places to the right. = 50 b. = Move 4 places to the left. =

9
EXAMPLE 2 Multiply Decimals by Powers of Ten Bridges The graph shows the number of vehicles that crossed bridges during How many vehicles crossed the Golden Gate Bridge?

10
EXAMPLE 2 Multiply Decimals by Powers of Ten Bridges The graph shows the number of vehicles that crossed bridges during How many vehicles crossed the Golden Gate Bridge?

11
EXAMPLE 2 Multiply Decimals by Powers of Ten ,000,000

12
**Multiply Decimals by Powers of Ten**

EXAMPLE 2 Multiply Decimals by Powers of Ten ,000,000 Move 7 places to the right.

13
**Multiply Decimals by Powers of Ten**

EXAMPLE 2 Multiply Decimals by Powers of Ten ,000,000 = Move 7 places to the right.

14
**Multiply Decimals by Powers of Ten**

EXAMPLE 2 Multiply Decimals by Powers of Ten ,000,000 = Move 7 places to the right. = 42,500,000

15
**Multiply Decimals by Powers of Ten**

EXAMPLE 2 Multiply Decimals by Powers of Ten ,000,000 = Move 7 places to the right. = 42,500,000 ANSWER In 2000, 42,500,000 vehicles crossed the Golden Gate Bridge.

16
EXAMPLE 3 Divide Decimals Using Mental Math a.

17
**508.3 10 EXAMPLE 3 Divide Decimals Using Mental Math a.**

Move 1 place to the left.

18
**508.3 10 EXAMPLE 3 Divide Decimals Using Mental Math a. = 5 0 . 8 3**

= Move 1 place to the left.

19
**508.3 10 EXAMPLE 3 Divide Decimals Using Mental Math a. = 5 0 . 8 3**

= Move 1 place to the left. = 50.83

20
**508.3 10 508.3 0.01 EXAMPLE 3 Divide Decimals Using Mental Math a.**

= Move 1 place to the left. = 50.83 b.

21
**508.3 10 508.3 0.01 EXAMPLE 3 Divide Decimals Using Mental Math a.**

= Move 1 place to the left. = 50.83 b. Move 2 places to the right.

22
**508.3 10 508.3 0.01 EXAMPLE 3 Divide Decimals Using Mental Math a.**

= Move 1 place to the left. = 50.83 b. = Move 2 places to the right.

23
**508.3 10 508.3 0.01 EXAMPLE 3 Divide Decimals Using Mental Math a.**

= Move 1 place to the left. = 50.83 b. = Move 2 places to the right. = 50,830

24
GUIDED PRACTICE for Example 1,2 and 3

25
GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math.

26
GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math.

27
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. Move 3 places to the right.

28
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right.

29
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right.

30
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. Move 2 places to the left.

31
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left.

32
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left.

33
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left. Move 2 places to the left.

34
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left. = 0.426 Move 2 places to the left.

35
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left. = 0.426 Move 2 places to the left.

36
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left. = 0.426 Move 2 places to the left. Move 3 places to the left.

37
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left. = 0.426 Move 2 places to the left. = 0.509 Move 3 places to the left.

38
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left. = 0.426 Move 2 places to the left. = 0.509 Move 3 places to the left.

39
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left. = 0.426 Move 2 places to the left. = 0.509 Move 3 places to the left. Move 1 places to the right.

40
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left. = 0.426 Move 2 places to the left. = 0.509 Move 3 places to the left. = 50 Move 1 places to the right.

41
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left. = 0.426 Move 2 places to the left. = 0.509 Move 3 places to the left. = 50 Move 1 places to the right.

42
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left. = 0.426 Move 2 places to the left. = 0.509 Move 3 places to the left. = 50 Move 1 places to the right. Move 3 places to the right.

43
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. = 6070 Move 3 places to the right. = 1.536 Move 2 places to the left. = 0.426 Move 2 places to the left. = 0.509 Move 3 places to the left. = 50 Move 1 places to the right. = 3200 Move 3 places to the right.

44
GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. 7. Bridges Use the graph in Example 2 to estimate the number of vehicles that crossed the George Washington Bridge in 2000.

45
GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. 7. Bridges Use the graph in Example 2 to estimate the number of vehicles that crossed the George Washington Bridge in 2000. ,000,000

46
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. 7. Bridges Use the graph in Example 2 to estimate the number of vehicles that crossed the George Washington Bridge in 2000. ,000,000 Move 7 places to the right.

47
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. 7. Bridges Use the graph in Example 2 to estimate the number of vehicles that crossed the George Washington Bridge in 2000. ,000,000 = 53,400,000 Move 7 places to the right.

48
**Find the product or quotient using mental math.**

GUIDED PRACTICE for Example 1,2 and 3 Find the product or quotient using mental math. 7. Bridges Use the graph in Example 2 to estimate the number of vehicles that crossed the George Washington Bridge in 2000. ,000,000 = 53,400,000 Move 7 places to the right. ANSWER In 2000, 53,400,000 vehicles crossed the George Washington Bridge.

Similar presentations

Presentation is loading. Please wait....

OK

Pressure = force area = 12 N 25 cm 2 = 0.48 N/cm 2.

Pressure = force area = 12 N 25 cm 2 = 0.48 N/cm 2.

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on statistics and probability questions Ppt on indian mathematicians and their contributions free download Ppt on bluetooth controlled robot car Ppt on electrical network analysis Ppt on political parties and electoral process lesson Ppt on sales closing techniques Ppt on inhabiting other planets Ppt on changes around us Ppt on plasma arc cutting Ppt on trial and error movie