Rounding
Comparing
Powers of 10
True or False
Expanded, Standard, and Word Form
100

What is 9.83 rounded to the nearest tenth?

9.8

100
Is 4.3 greater than, less than, or equal to 4.30?

4.3 = 4.30

100

Which expression shows 10?

a) 100 x 100 x 100

b) 1,000 x 10

c) 10 x 10 x 10

d) 10 x 3

c) 10 x 10 x 10

100

True or False? 

2.769 x 10= 2,769

True

100

Which of the following shows forty two and eight tenths?

a) 42,810

b) 42.810

c) 42.8

d) 42.08

c) 42.8

200

What is 7.453 rounded to the nearest tenth?

7.5

200

Is 0.195 greater than, less than, or equal to 0.2?

0.195 < 0.2

200

What 23.3 x 10?

233

200

True or False

7.900 > 7.9

False

7.900 = 7.9

200

Which shows 980.32 written in word form?

a) nine hundred eighty three and two

b) nine hundredths eighty and thirty two hundreds

c) nine hundred and eighty and thirty two tenths

d) nine hundred eighty and thirty two hundredths

d) nine hundred eighty and thirty two hundredths

300

What is 0.229 rounded to the nearest hundredth?

0.23

300

Which comparison is true? 

a) 0.717 > 0.723

b) 0.732 < 0.729

c) 1.398 < 1.4

d) 34.009 = 34,009

c) 1.398 < 1.4

300

What is 23.847 divided by 10?

2.3847

300

True or False?

As you move to left along the place value chart, each place is 10 times the value of the previous place.

True


300

Which shows 5.72 in expanded form?

a) 5 + 0.72

b) 5 + 7/10 + 2/100

c) 5 + 7/10 + 72/100

d) 500 + 70 + 2

b) 5 + 7/10 + 2/100

400

What is 54.297 rounded to the nearest tenth?

54.3

400

Which statement compares the two numbers correctly?

a) 23.32 = 32.23

b) 32.23 > 32.32

c) 0.323 > 0.323

d) 0.232 < 0.323

d) 0.232 < 0.323

400

Which expression is equal to 57.19?


a) 5,719 divided by 102

b) 5,719 x 102

c) 5,719 divided by 103

d) 5,719 x 103

a) 5,719 divided by 102


When you divide by 10you move the decimal point to the left two places. Although you can't see the decimal point in 5,719, you should know that it would come after the 9 in the ones place.

400

True or False?

As you move to right along the place value chart, each place is 1/10 the size of the previous place.

True

400

Which of the following shows 68,493 written in expanded form?


a) 6 x 10,000 + 8 x 1,000 + 4 x 1,000 + 9 x 100 + 3

b) 6 x 10,000 + 8 x 1,000 + 4 x 100 + 9 x 10 + 3 x 10

c) 6 x 10,000 + 8 x 1,000 + 4 x 100 + 9 x 10 + 3 x 1

d) 6 x 1,000 + 8 x 1,000 + 4 x 100 + 9 x 10 + 3 x 1

c) 6 x 10,000 + 8 x 1,000 + 4 x 100 + 9 x 10 + 3 x 1

500

What is 979.485 rounded to the nearest hundredth?

979.49


500

Which statement compares the numbers correctly?

a) 4.09 > 4.089

b) 4.970 = 4.790

c) 4.970 > 9.98

d) 0.9704 > 4.097

a) 4.09 > 4.089

500

Which expression is equal to 2.0028?

a) 200.28 x 103

b) 2,002.8 divided by 103

c) 20,028 x 103

d) 0.20028 x 103

b) 2,002.8 divided by 103

When you divide by 103 you move the decimal place 3 places to the left.


500

True or False? 

10 + 3 + 2/10 + 8/100 > thirteen and twenty-eight hundredths

False

They are equal. 

In standard form, they are both 13.28

500
What is 5/10 + 3/100 + 9/1000 written in standard form? 

0.539

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