5.2A Standard to Expanded Notation

5.2A Standard to Expanded Notation

By Mr. Burton

DO NOW​

Multiple Choice

How is this number written in standard form?
200 + 40 + 0.40 + 0.09?

• 240.49
• 24.049
• 244.90
• 24.049

Multiple Choice

Daniel finished the race in 56.809 seconds.  What is the value of the digit 8 in 56.809?

• 0.080
• 0.800
• 8.0
• 0.008

I DO​

Y'ALL DO​

YOU DO​

Multiple Choice

In 2009 Usain Bolt won the World Championship for the 100-meter sprint with a time of nine and fifty-eight hundredths seconds. Which expression shows Usain Bolt’s winning time in expanded notation?

A (9 x 1) + (5 x 0.1) + (8 x 0.01)

B (9 x 1) + (58 x 0.1) 

C (9 x 1) + (8 x 0.1) + (5 x 0.01)

D(9 x 10) + (5 x 0.1) + (8 x 0.01)

• (9 x 1) + (5 x 0.1) + (8 x 0.01)

• (9 x 1) + (58 x 0.1)

• (9 x 1) + (8 x 0.1) + (5 x 0.01)

• (9 x 10) + (5 x 0.1) + (8 x 0.01)

Multiple Choice

Tylee is making punch for a party. The recipe calls for 1.425 liters of lemonade. Which addends complete the expanded notation for 1.425?

  

________ + ________ + (2 x 0.01) + (5 x 0.001)

• (1 x 1) + (4 x 0.01)

• (1 x 10) + (4 x 0.001)

• (1 x 1) + (4 x 0.1)

• (1 x 0.1) + (4 x 0.01)

Multiple Choice

Ms. Hewitt measured a window in her classroom and found that it was 82.574 cm tall. Which expression shows the value of the 2 in the height of the window?

• (2 x 1)

• (2 x 0.1)

• (2 x 0.01)

• (2 x 10)