Place Value
Integers
Decimal Detective
Compare and Order
Rounding
100

What is the value of the 7 in 472,315?

70,000 (seventy thousand).

100

Write an integer for a $35 withdrawal.

−$35

100

What digit is in the thousandths place in 8.374?

4

100

Fill in the appropriate equality or inequality sign: 0.8 ___ 0.80.

=; a trailing zero does not change the value.

100

Round 6.47 to the nearest whole number.

6

200

Write 506,042 in words.

Five hundred six thousand forty-two.

200

What is the opposite of −18?

18 (or +18)

200

Write in standard form: 20 + 0.5 + 0.03 + 0.007.

20.537

200

Which is smaller: 0.105 or 0.015?

0.015

200

Round 25.68 to the nearest tenth.

25.7

300

Write in standard form: 300,000 + 8,000 + 90 + 4.

308,094.

300

Which is greater: −7 or −12?

−7; it lies farther right on a number line.

300

Write 14.206 in words.

Fourteen and two hundred six thousandths.

300

Fill in the appropriate equality or inequality sign:

−14.58 ___ −14.98.

>; −14.58 is closer to zero.

300

Round 8.376 to the nearest hundredth.

8.38

400

Write 721,504 in expanded form using addition.

700,000 + 20,000 + 1,000 + 500 + 4.

400

Put these numbers in ascending order: 4, −9, 0, −2.

−9, −2, 0, 4

400

Write 9.048 in expanded form using addition.

 9 + 0.04 + 0.008.

400

Put these numbers in ascending order: 1.205, 1.25, 1.052, 1.5.

1.052, 1.205, 1.25, 1.5

400

Round 2,530.099 to the nearest hundredth.

2,530.10

500

235,480 + 10,000 = ?

245,480

500

Which diver is deeper: −18 m or −23 m?

The diver at −23 m.

500

Write 305.072 in expanded form using addition.

300 + 5 + 0.07 + 0.002.

500

Race times: A 31.08 s, B 30.95 s, C 31.8 s, D 30.59 s. Who was fastest?

D, with 30.59 s.

500

Give one number with two decimal places that rounds to 5.9 to the nearest tenth.

Any value from 5.85 through 5.94, inclusive (for example, 5.87).

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