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Estimate Decimals
Multiply by .1,.01 an .001
Multiply Decimals
Write Multiplication expressions
Evaluate Multiplication Expressions
100

Estimate by Rounding:

1.34 x 2.56= _____________

About 3.00

100

9 x .01

.09

100

5.5x 2

11.0

100

write in algebraic form:


three times a number

3 X y

100

4x      x=3

12

200

34.21 x 2.33= _____________

About 60.00 or 60

200

17.8 x .01

.178

200

.0235 x 7

.1645

200

Write in word form:


3.3x

Three point three multiplied by a number 

200

3.5y  y=4

14.0

300

2.8 x 30.5 

About 90

300

1550 x .001 

1.55

300

1.9 x 1.2

2.28

300

Write in word form:


46n + 11

fourty-six times a number plus eleven

300

xy     x=.08; y=4

.32

400

9.85 x 100.2

About 1000

400

1200 x .01

12

400

30.0 x 8.2

246

400

Write in algebraic form:


32 groups of a number

32n

400

8y    y= 6.2

49.6

500

400.33 x 10.14

About 4,000

500

1,455 x .001

1.455

500

.95 x .47=  

.4465

500

Write in algebraic form:

The Product of 4 and a number times ten

4x(10)

500

2x + 12   x= 0.9

13.8