Decimal Intro

What is 5.021 written in expanded form?

• (5 X 1) + (3 X 1/100) + (1 X 1/1,000)

• (5 X 10) + (2 X 1/10) + ( 1 X 1/100)

• (5 X 1) + (2 X 1/100) + (1 x 1000)

• (5 X 10) + (2 X 1/100) + ( 1 X 1/1,000)

Write in 21.25 in expanded form.

• (2 x 10) + (1 x 1) + (2 x 1/10) + (5 x 1/100)

• (1x10) + (2 x 1) + (2 x 1/10) + (5 x 1/100)

• (1 x 1) + (2 x 1/100) + (5 x 1/100)

• (2 x 100) + (1 x 1) + (2 x 1/10) + (5 x 1/1000)

6.23 ______ 6.32

• >

• <

• =

• ?

• 0.2345
  

• 2.345

• 234.5

• 2345

0.23 + 0.4

• 0.63

• 0.27

• 4.23

• 0.234

0.007 + 0.85

• 0.857

• 0.92

• 0.82

• 1.55

0.005 + 0.7 = ?

• 0.012

• 0.705

• 0.750

Do the decimals have to be lined up when you're adding and subtracting?

• Yes

• No

What is 45.6 divided by 0.4?

• 114

• 11.4

• 0.114

• 1.14

A bag of oranges costs $7.65. Five friends want to share the bag. How much will each friend pay?

• $38.25 

• $1.53

• $2.00

• $1.13