Chapter 2 Review. Using Mental Math, solve the following: 25,000 x 20 = ?

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Presentation transcript:

Chapter 2 Review

Using Mental Math, solve the following: 25,000 x 20 = ?

Using Mental Math, solve the following: 25,000 x 20 = 500,000

Using Mental Math, solve the following: 50 x 3,000 = ?

Using Mental Math, solve the following: 50 x 3,000 = 150,000

Complete the Pattern: 6 x 7 = 42 6 x 70 = x 700 = _____ 6 x 7,000 = ______

Complete the Pattern: 6 x 7 = 42 6 x 70 = x 700 = 4,200 6 x 7,000 = 42,000

Complete the Pattern: 8 x 3 = x 30 = 2, x 300 = _____ 8,000 x 3,000 = ______

Complete the Pattern: 8 x 3 = x 30 = 2, x 300 = 240,000 8,000 x 3,000 = 24,000,000

Estimate by Rounding: 1,119 x 87 = ________

Estimate by Rounding: 1,119 x 87 = ______ 1,000 x 90 = 90,000

Estimate by Rounding: 612 x 28 = ________

Estimate by Rounding: 612 x 28 = ______ 600 x 30 = 18,000

Estimate by using Expanded Form: 7 x 632 = ________

Estimate by using Expanded Form: 7 x 632 = ________ 7 x ( ) =4, ,424

Estimate by using Expanded Form: 50 x 769 = ________

Estimate by using Expanded Form: 50 x 769 = ________ 50 x ( ) = 35,000 3, ,450

Choose the Best Method. Then Multiply: 7,478 x 3 =

Choose the Best Method. Then Multiply: 7,478 x 3 = (P) 22,434

Choose the Best Method. Then Multiply: 366 x 42 =

Choose the Best Method. Then Multiply: 366 x 42 = (P) 15,372

Choose the Best Method. Then Multiply: 612 x 27 =

Choose the Best Method. Then Multiply: 612 x 27 = (P) 16,524

Choose the Best Method. Then Multiply: 2 x 100 x 330 =

Choose the Best Method. Then Multiply: 2 x 100 x 330 = (M) 66,000

Choose the Best Method. Then Multiply: 967 x 543 =

Choose the Best Method. Then Multiply: 967 x 543 = (P / C) 525,081

Choose the Best Method. Then Multiply: 234 x 876 =

Choose the Best Method. Then Multiply: 234 x 876 = (P / C) 204,984

Use the Distributive Property to solve the following (Show your work!) 5 x 210 = ?

Use the Distributive Property to solve the following (Show your work!) 5 x 210 = ? 5 x ( ) (5 x 200) + (5 x 10) 1, ,050

Use the Distributive Property to solve the following (Show your work!) 4 x 425 = ?

Use the Distributive Property to solve the following (Show your work!) 4 x 425 = ? 4 x ( ) (4 x 400) + (4 x 25) 1, ,700

What is the Best Estimate of the product? 88 x 69 = ?

What is the Best Estimate of the product? 88 x 69 = ? 90 x 70 = 6,300

What is the Best Estimate of the product? 6,045 x 11 = ?

What is the Best Estimate of the product? 6,045 x 11 = ? 6,000 x 10 = 60,000

The city is planning to buy 9 acres of land to expand the city’s park. Each acre of land will cost $555,555. What will it cost the city to buy all 9 acres?

The city is planning to buy 9 acres of land to expand the city’s park. Each acre of land will cost $555,555. What will it cost the city to buy all 9 acres? $555,555 x 9 = $4,999,995