Math 6F Lab Week 3

Chapter Review A

100

Write in standard(number) form  eight tenths

.8

200

Write in standard (number) form  three and forty-seven ten thousandths

3.0047

300

Write in standard form: (4 x 10³) + (2 x 10¹) + (6 x 10^-3)

4002.006

400

Compare   .007 _____ .070

.007 < .070

500

Write in order from least to greatest: 6.5, 3.2, 3.21, 4.9, 4.09

3.2, 3.21, 4.09, 4.9, 6.5

Chapter Review B

100

Write as a power of 10 in exponential form 10 x 10 x 10 x 10 x 10

10⁵

200

Write as a power of 10 in exponential form

.001

10^-3

300

Round to the nearest cent  $321.834

$321.83

400

Estimate by rounding each number to the greatest nonzero place value then add

56.78 + 39.21

60 + 40 = 100

500

Write 38,561 in expanded form using powers of 10

(3 x 10⁴) + (8 x 10³) + (5 x 10²) + (6 x 10¹) + (1 x 10⁰)

Addition and Subtraction of Decimals and Whole Numbers A

100

Find the sum 0.47 + 0.5 + 0.78 + 0.29

2.04

200

Find the sum: 7 + 8.56

15.56

300

Find the difference 0.91 - 0.745

0.165

400

Find the difference  8 - 2.04735

5.95265

500

Find the difference  1 - 0.3856

0.6144

Addition and Subtraction of Decimals and Whole Numbers B

100

Add 0.008 + 0.11+ 0.5 + 0.993

1.611

200

Subtract 1.2 - 0.772

0.428

300

Subtract  1,001.1 - 802.22

198.88

400

Add  497.386 + 556.22

1053.606

500

Add  27.3 + 8.1

35.4