* Decimal Jeopardy *Rounding/ Estimating

Adding/ Subtracting

Multiplying/ Dividing

Scientific Notation Misc.

100 100 100 100 100

200 200 200 200 200

300 300 300 300 300

400 400 400 400 400

500 500 500 500 500

Rounding/Estimating - 100

Round to the nearest tenth:

23.4821

Rounding/Estimating – 100

23.5

Rounding/Estimating - 200

Round to the nearest hundredth:

123.2518

Rounding/Estimating – 200

123.25

Rounding/Estimating - 300

Estimate the sum by rounding to the nearest

whole numbers:

12.092 + 8.97

Rounding/Estimating - 300

12 + 9 = 21

Rounding/Estimating - 400

Estimate the product using compatible numbers:

132.084 x 19.872

Rounding/Estimating - 400

130 x 20 = 2,600

Rounding/Estimating - 500

Estimate the quotient using compatible numbers:

98.5125.35

Rounding/Estimating - 500

35 / 5 = 7

Adding/Subtracting - 100

123.12021.23

Adding/Subtracting - 100

35.144

Adding/Subtracting - 200

198.1721.27

Adding/Subtracting - 200

44.408

Adding/Subtracting - 300

02.21092.43

Adding/Subtracting - 300

22.072

Adding/Subtracting - 400

99.9718.98

Adding/Subtracting - 400

0.19

Adding/Subtracting - 500

283.71123

Adding/Subtracting - 500

51.717

Multiplying/Dividing - 100

72.3

Multiplying/Dividing - 100

22.4

Multiplying/Dividing - 200

8.104.2

Multiplying/Dividing - 200

3.672

Multiplying/Dividing - 300

213

Multiplying/Dividing - 300

6.5

Multiplying/Dividing - 400

903.6

Multiplying/Dividing - 400

0.67

Multiplying/Dividing - 500

4.08.22

Multiplying/Dividing - 500

57

Scientific Notation - 100

41018.2 Convert to Standard Form:

Scientific Notation - 100

21,800

Scientific Notation - 200

810243.1 Convert to Standard Form:

Scientific Notation - 200

124,300,000

Scientific Notation - 300

710231.5 Convert to Standard Form:

Scientific Notation - 300

0.0000005231

Scientific Notation - 400

000,000,900,32

Convert to Scientific Notation:

Scientific Notation - 400

3.29 x 1010

Scientific Notation - 500

Convert to Scientific Notation:

000039.0

Scientific Notation - 500

3.9 x 10-5

Miscellaneous - 100

In what place is the 6 located?

1,248.089621

Miscellaneous - 100

ten-thousandths

Miscellaneous - 200

Write the following number in word form:

43.082

Miscellaneous - 200

forty three and eighty two thousandths

Miscellaneous - 300

Compare the Decimals:

0.0231 ____ 0.2

Miscellaneous - 300

0.0231 < 0.2

Miscellaneous - 400

Is the following number in Scientific Notation – why or why not?

6108.23

Miscellaneous - 400

No because the first number must be less than 10. It should instead

be written as 2.38 x 107

Miscellaneous - 500

Find a number between the following 2 decimals:

3.02 and 3.03

Miscellaneous - 500

(many right answers)

ex: 3.025