Place Value
Rounding
Add or Subtract
Comparing Decimals
100

Move the 5 so it is 10 times more in the this number:

437.952

437.592

100

Round this number to the nearest tenth:

45.62

45.6

100

 356.34 

+ 67.29


423.63

100

Show correct sign to compare:

34.56 ___ 34.78

less than <

200
What number shows the 9 as 1/10 the value it is in this number:


459.83

458.93

200

Round this number to the nearest hundredth:

468.038

468.04

200

   4,286.05

-     319.28

3,966.77

200

Show the correct sign to compare:

0.32 ___ 0.23

Greater than >

300

Which numbers show the 4 has the same value as in this number:  3,056.421

a) 4,227.197     b) 3,564.210

c) 235.48          d) 3.441

e) 140.344        f) 65,327.493               

c, d, f

300

Round this number to the nearest ten:

648.17

650

300

Mike measured the snowfall over a 3-day period in November.  It snowed 0.34 inches one day, 0.75 inches the next day, and 0.5 inches the third day.  How much snow fell over all 3 days?

(0.34 + 0.75 + 0.5)  1.59

300

Show the correct sign to compare:

1.420 ___ 1.042

Greater than >

400

Is this number rounded correctly to the nearest ones?

456.07 = 450

No--should be 456

400

I bought pizza for the class, a cheese pizza for $5.55 and a meaty pizza for $8.95 (no tax).  I had a coupon for $2.25 off my order.  How much change did I get back if I paid with a $50 bill?

($5.55 + $8.95=$14.50)

($14.50 - $2.25=$12.25)

($50.00 - $12.25=$37.75)

400

Show the correct sign to compare:

0.6 ___ 0.60

Equal =

500

Is this number rounded correctly to the nearest tenth?

56.281=56.3

Yes!

500

I ran 257.24 feet chasing Hannah's cow around the barn.  We ran around the barn twice!  How far did I chase Hannah's cow?  

(257.24 + 257.24)

514.48 ft.

500

Show the correct sign to compare:

256.01 ___ 256.10

Less than <