Add Decimals
Add.
8.7 + 3.7 =
12.4
Subtract.
6.9 - 5.1 =
1.8
Write this decimal as a fraction
0.39
39/100
Mike has two pencils that he sharpened many times. One pencil is 4.8 inches long, and the other pencil is 3.25 inches long. How much longer is the first pencil that the second pencil?
1.55 inches
Round this decimal to the nearest WHOLE number.
2.6
3
Add.
7.1 + 5.6=
12.7
Subtract.
6.92 - 5.13 =
1.79
Order these decimals from least to greatest
1.24
0.79
0.212
3.45
0.212
0.79
1.24
3.45
The fruit stand sold:
25.5 lbs. of apples,
16.25 lbs. of pears, and
17.373 lbs of oranges.
How many pounds of fruit did they sell altogether?
59.123
Round this number to the nearest tenths.
26.31
26.3
Add.
2.09 + 9.18=
11.27
Subtract.
89.3 - 4.9 =
84.4
What is the value of the digit 8 in this number
124,382,765
80,000
Sara bought a hot dog for $2.50 and a soda for $1.25 at the county fair. She paid with a $10.00 bill. How much change did she get back?
$6.25
358 + 293=
700
Add.
7.91 + 8.43 =
16.34
Subtract.
23.69 - 12.22
11.47
6 x 105
600,000
Jenna goes to the store to buy ingredients for a salad. She buys lettuce for $4.45, carrots for $2.67, cucumber for $3.49, and dressing for $7.25. What is the total cost of her salad?
$17.86
ESTIMATE THE SUM.
15.01 - 4.4 =
11
Add.
5.05 + 0.22 + 17.41 =
22.68
Subtract.
1.67 - 0.97
0.7
Round this number to the nearest tenth
425.762
425.8
Sam runs in four races. The following are his times; 20.40 seconds, 18.36 seconds, 22.19 seconds, and 24.38 seconds. Find the difference between his fastest and slowest time.
6.02 seconds
Estimate the difference.
22.4 - 16.2 =
5