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EXAMPLE 1 Multiply Decimals Using Mental Math a

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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EXAMPLE 3 Divide Decimals Using Mental Math a

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EXAMPLE 3 Divide Decimals Using Mental Math a Move 1 place to the left.

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EXAMPLE 3 Divide Decimals Using Mental Math a = Move 1 place to the left.

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EXAMPLE 3 Divide Decimals Using Mental Math a = Move 1 place to the left. = 50.83

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EXAMPLE 3 Divide Decimals Using Mental Math a = Move 1 place to the left. = b

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EXAMPLE 3 Divide Decimals Using Mental Math a = Move 1 place to the left. = b. Move 2 places to the right

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EXAMPLE 3 Divide Decimals Using Mental Math a = Move 1 place to the left. = b. = Move 2 places to the right.

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EXAMPLE 3 Divide Decimals Using Mental Math a = Move 1 place to the left. = b. = = 50, Move 2 places to the right.

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GUIDED PRACTICE for Example 1,2 and 3

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

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

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

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

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

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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

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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

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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

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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 Move 2 places to the left

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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 = Move 2 places to the left

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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 = Move 2 places to the left

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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 = Move 2 places to the left Move 3 places to the left

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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 = Move 2 places to the left = Move 3 places to the left

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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 = Move 2 places to the left = Move 3 places to the left

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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 = Move 2 places to the left = Move 3 places to the left Move 1 places to the right

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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 = Move 2 places to the left = Move 3 places to the left = 50 Move 1 places to the right

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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 = Move 2 places to the left = Move 3 places to the left = 50 Move 1 places to the right

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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 = Move 2 places to the left = Move 3 places to the left = 50 Move 1 places to the right Move 3 places to the right

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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 = Move 2 places to the left = Move 3 places to the left = 50 Move 1 places to the right = 3200 Move 3 places to the right

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

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

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

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

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

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