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Calculations with Decimals
Rounding
Place Values
Expanded Form
Word Problems
100
1.5 + 2.4 =
3.9
100
Round 4.6 to the nearest ones place.
5
100
In the number 19, which digit is in the ones place?
9
100

Write 364 in expanded form

300 + 60 + 4

100

I purchased four cans of tomatoes.

Each can holds 6.8 ounces. How many

ounces of tomatoes did I buy?

27.2 ounces

200
4.8 - 0.3 =
4.5
200
Round 5.78 to the nearest tenth place.
5.8
200
In the number 1.53, which digit is in the tenths place?
5
200

What is the standard form of this number shown in expanded form?


          (9 x 100) + (5 x 1) + (7 x 0.1) + (4 x 0.001)

905.704

200

Sarah bought 12 meters of fabric to make

a patchwork quilt. If the fabric was on sale

for $6.29 per meter, how much did Sarah

spend?

$75.48

300
3.5 x 5 =
17.5
300
Round 23.555 to the nearest hundredth place.
23.56
300
In the number 47.223, which digit is in the thousandths place?
3
300

What is six hundred eighty and fourteen thousandths written in standard form?

680.014

300

Carlos needs to buy 6 pens and some

colored pencils for school. He has $25.00

to spend. If the pens cost $3.50 each, how much

does he have left to spend on colored pencils?

$4.00

400
6.4 / 8 =
0.8
400
Round 14.98 to the nearest ones place.
15
400
In the number 427.98, which digit is in the hundreds place?
4
400

What is the missing number in the pattern?

      

        0.004     0.4      40     ____     400,000

4000

400

Jen is paid $7.75 an hour to work in a toy

store on Monday afternoons and $9.95

an hour on Saturdays. If Jen works for

three hours on Monday and 5 hours on

Saturday, how much money will she earn?

$73

500
3.6 / 1.2 =
3
500
Round 8.997 to the nearest hundredth place.
9.00
500
In the number 489.23, which digit is in the tens place?
8
500

Which equation could be used to represent how the value of 4 changes if it is switched  with the 6 in 694,215?

  1. 400,000 x 10 = 4,000,000                  

  2. 4,000 x 100 = 400,000

  3.  4,000 x 10 = 40,000                          

  4. 4 x 1,000 = 4,000


2

500

The total snowfall for a town from Friday through Sunday was 34 inches. 

  • On Friday, the snowfall was 11.25 inches. 

  • On Saturday, the snowfall was 9.9 inches. 


      How many inches of snow fell on Sunday?

12.85 inches