Chapter 1 Math Review

Place Value

100

Write the number in the tens place: 823

2

200

Write the number in the thousands place: 47,823

7

300

Write the number in the billions place: 308,610,547,823

8

400

Write the number in the ten millions place: 308,610,547,823

1

500

Write the number in the hundred-thousands place: 308,610,547,823

5

Expanded & Standard Form

100

three hundred four billion, six hundred thousand

304,000,600,000

200

1,000,040,083

1,000,000,000 + 40,000 + 80 + 3

300

eight and twelve thousandths

8.012

400

9.153

9 + 0.1 + 0.05 + 0.003

500

CCLXI

261

Comparing

100

185,035,013 __ 185,503,013

<

200

10.09 __ 10.1

<

300

9.63 __ 9.630

=

400

Write in order from least to greatest.

6,135,936; 6,315,396; 6,531,639; 6,153,693

6,135,936; 6,153,693; 6,315,396; 6,531,639

500

Write in order from least to greatest.

3.12; 31.2; 0.312

0.312; 3.12; 31.2

Rounding

100

313,983,156

300,000,000

200

474,198,575

474,199,000

300

145.728

145.7

400

$766.13

$766.10

500

$156,458.65

$156,000.00

Adding and Subtracting

100

25,736 + 12,548 + 36,985

75,269

200

503,149 + 180,590 + 248,762

932,501

300

 $235.17 + 137.23 + 427.45

$799.85

400

600,000 - 421,351

178,649

500

$907.15 - 35.43

$871.72