7th Grade Math Module 2 Review

Rounding Right?

100

0.902;  tenths

0.9

200

8.8686;  tenths

8.9

300

0.7886;  tenths

0.8

400

84,995.91;  tens

85,000

500

34.9994;  hundredths

35

Writing Rounding

100

Greater or Less Than....

8.8492__8.8002

8.8492 > 8.8002

200

Greater or Less Than....

9.0231__8.023

9.0231 > 8.023

300

Greater or Less Than....

82.9832__8.29832

82.9832 > 8.29832

400

Greater or Less Than....

8.000300__8.0003

8.000300 = 8.0003

500

Round to the nearest thousandth and compare.

8.2344__8.2349

8.234 < 8.235

Terrific Scientific Notation

100

Big or Small number compared to 0? 5.2 x 10^-23

0.000000000000000000000052

SMALL

200

In scientific notation what does the exponent on 10 tell us?

How big or small the number will be.

300

What is 24,000 in scientific notation?

2.4 x 10⁴

400

Risk it!

What is 0.00000000003501 in Scientific Notation?

3.501 x 10¹¹

500

What is 245.67 x 10³ in scientific notation?

2.4567 x 10⁵

Powers of 10 for the WIN

100

What is 10³ equal?

1,000

200

What is 2*10⁴

20,000

300

Risk It!

What is 35.67 * 10⁸

3,567,000,000

400

What value does the prefix hecto- denote in regards to the base unit?

1 hecto-unit = 100 base unit

500

How many centimeters is 12 decameters?

12,000 centimeters

Emergency Decimal Operating Room

100

1.2 x 3

3.6

200

3.52 x 0.4

1.408

300

6.62 x 1.4 

9.268

400

5/8 as a decimal.

0.625

500

52 / 0.3 

173.3; 3 repeating