Mid Module 1 Review

Comparing Decimals

100

0.999 ______ 1

less than (<)

200

6.078 _____ 6.708

less than (<)

300

6 tens 4 tenths 7 hundredths ______ 60.047

greater than (>)

400

(4 X 10) + (3 X 1) + (7 X 0.01) + (5 X 0.001) ____ 41.075

equal to (=)

500

(2 X 10²) + (5 X 10) + (7 X 0.1) + (4 X 0.001) ______ 2 hundreds 5 tens 7 hundredths 4 thousandths

greater than (>)

Rounding Decimals

100

What is 0.47 rounded to the nearest tenth?

0.5

200

What is 7.429 rounded to the nearest ones?

7

300

What is 32.471 rounded to the nearest tenth?

32.5

400

What is 0.947 rounded to the nearest ones?

1

500

What is 141.99 rounded to the nearest tenth?

142

Exponents

100

What is 10³ in standard form?

1,000

200

What is 100,000 in exponential form?

10⁵

300

What is 4 X 10⁴?

4,000

400

What is 7,200 divided by 10²?

72

500

What is 4.025 X 10⁵? 

402,500

Decimal Place Value

100

What place value is the 5 in in the number 491.75? 

Hundredths 

200

What place value is the 7 in in the number 71.424?

Tens

300

What place value is the 5 in in the number 98.705?

Thousandths

400

Solve 0.793 X 10⁴. What place value is the 9 in?

Hundreds

500

Divide 3,427 by 10³. What place value is the 4 in?

Tenths

Number Forms

100

What is 7 ones 9 tenths 3 hundredths in standard form?

7.93

200

What is 8.265 in unit form?

8 ones 2 tenths 6 hundredths 5 thousandths

300

What is (9 X 0.1) + (2 X 0.01) in standard form?

0.92

400

What is 3.15 in expanded notation?

(3 X 1) + (1 X 0.1) + (5 X 0.01) 

OR 

(3 X 1) + (1 X 1/10) + (5 X 1/100)

500

What is forty-six and eight tenths in expanded notation?

(4 X 10) + (6 X 1) + (8 X 0.1) = 46.8