Look at the digit 4 in the number 34,579. Which number has the four with a value that is ten times the value shown here?

• 5,479

• 345,790

• 457,890

• 7,934

which is more, 7x10³ or 7 x 10 ² ? Explain why.

• 7 x 10 ³ because 3 is bigger than 2.

• 7 x10 ² because 2 is smaller than 3

• 7 x 10 ³ because you are multiplying 7 x 1000 instead of 7 x 100

• 7x 10² because you are multiplying 7 x 20

What is fifteen and twenty-three hundredths in standard form?

• 1.523

• 15.023

• 15.23

• 2,315

In what place is the digit 7 in the decimal 21.670?

• thousnadths

• hundredths

• tenths

• ones

Which number sentence is correct?

• 8.650=8.065

• 8.605=8.65

• 8.65=8.650

• 8.065=8.65

Which number sentence correctly compares .731and .73?

• .73>.731

• .73=.731

• .731<.73

• .731>.73

Which is 10.319 rounded to the nearest tenth?

• 10.4

• 10.32

• 10.3

• 10

Which is .2857 rounded to the nearest thousandth?

• .285

• .286

• .29

• .3

Matthew buys a burrito for $4.38, a taco for $.99 and a drink for $1.45. What did he pay for lunch?

• $4.38

• $5.28

• $5.82

• $6.82

Elsa walks 2.14 miles to the store and then .23 mile to her friend's. How far did she travel?

• 3 miles

• 2.37 miles

• 214.23 miles

• 22 miles