Lesson 1- Place Value

Exponents

100

9 X 1,000 = ?

9,000

200

5 X 10⁵ = ?

500,000

300

10⁷ x 3 = ?

30,000,000

400

10 X 10 X 10 X 10 = ?

10⁴ = 10,000

500

6 X 10 X 10 X 10 X 10 X 10 X 10 X 10 X 10 = ?

6 X 10⁸ = 600,000,000

Place Value

100

8,000,000 + 300 + 9 = ?

8,000,309

200

What is the values of the 7s in:

7,070

7,000 and 70

300

Write 5,360 in expanded form

5 X 10³ + 3 X 10² + 6 X 10¹

400

4 X 10⁴ + 6 X 10² + 5 X 10¹ + 2

40,000 + 600 + 50 + 2 = 40,652

500

Write 85,000,011 in expanded form.

8 X 10⁷ + 5 X 10⁶ + 1 X 10¹ + 1

Decimals

100

Write 5/10 as a decimal

0.5

200

Write 0.873 as a fraction

873/1,000

300

Write 78/1,000 as a decimal

0.078

400

Solve: 

2 X 10³ + 5 X 10² + 3 + 9 X 1/100 + 8 X 1/1,000

2,000 + 500 + 3 + 9/100 + 8/1,000 =

2,503.098

500

Write in expanded form:

9,060,523.308

9 X 10⁶ + 6 X 10⁴ + 5 X 10² + 2 X10¹ + 3 + 3 X 1/10 + 8 X 1/1,000

Compare Decimals

100

9.707 _____   9.717

9.707  <   9.717

200

2.99 ______  2.990

2.99   =   2.990

300

52.733 _________  52.693

52.733    >    52.693

400

Order from least to greatest:

435.566  ,   436.565   ,  435.665   ,  436.561

435.566 , 435.665 , 436.561 , 436.565

500

Is Nicole correct with her answer. Why or why not?

4,050.3 <  4,050.300

No, Nicole is not correct. The answer should be equivalent (equal), because both numbers are the same based on their place values. Adding a zero in the hundredths/thousandths place does not change the number in this case.

Round Decimals

100

Round to the nearest whole number:

34.731

35

200

Round to the nearest whole number:

215.39

215

300

Round to the nearest hundredths:

3,090.188

3,090.19

400

Round to the nearest tenth:

230.456

230.5

500

Round to the nearest tens:

320.455

320.000