Multiplying with Decimals
Rounding
Exponents
Scientific Notation
Rules & Patterns
100

10 x 3.64

35.4

100

Round to the nearest cent.

$14.783

$14.78

100

52

5 x 5 = 25

100

Write in scientific notation.

17,000

1.7 x 104

100

What is the pattern for multiplying by 10s.

The number of zeros get added to the end.

200

4 x 500

2,000

200

Round to the nearest cent.

$62.999

$63.00

200

60

1

200
Write in standard form:


2 x 102

200

200

Any number to a zero power is..

1

300

3.05 x 2.3

7.015

300

Round to estimate

 37 x 88

40 x 90 = 3,600

300

1x1x1x1x1x1

16 = 1

300

Write scientific notation.

0.28903

2.8903 x 10-1

300

What is the answer to 40 x 50

2,000

*4x5=20 plus the 2 extra zeros

400

$45.19 x 140

$6,326.60
400

Round to estimate: 

3.05 x 2.3

3 x 2 = 6

400

43

4x4x4=64

400

Write in standard form.

9.01 x 105

901,000

400

What does this represent 105

100,000

500

97.45 x 22.0

21,439

500
Round to estimate:


6070 x 2820

6,000 x 3,000 = 18,000,000

500

3x3x3x3

34 = 81

500

Write in standard form:

3.6 x 10 -4

0.00036

500

How many dogs does Mrs. Vezza have?

6!!!!