Adding decimals
What must you do when you add two decimals together?
Make sure the decimal points are lined up.
What must you do when you subtract two decimals?
Make sure the decimals are lined up.
Consider the problem 6.94 x 4.999
How many decimal places would be in your answer?
5 decimal places
20.1 divided by 3 = ?
6.7
If it costs 12.5 cents for one banana, how much does 6 bananas cost?
.75
11.2 + 18.9 =
30.1
12.9 - 5.4 = ?
7.5
1.2 x 6.1 =
7.32
3.64 divided by .07
52
Karl weighed himself on Monday and he was 198.3867 pounds. On Friday, he weighed 197.2730 pounds. How much weight did he lose?
1.1137 pounds
17.098 + 3.8 =
20.898
34.8 - 17.2 =
17.6
3.4 x .13 =
0.442
1 divided by .008
125
Steve bought 4.5 pounds of sand. If his total was $40.50, how much did he pay per pound of sand?
$9
28.89 + 367.99 =
396.88
8 - 1.35 =
6.65
1.03 x 8 =
8.24
39.52 divided by 5.2 =
7.6
Karen went to TJ Maxx to buy a purse and makeup. The purse costs $130.99 and the makeup is $22.87. She pays with two 100 dollar bills. What does she get for change?
153.86 total bill
$46.14 is Karen's change.
479.2795 + 2334.09 =
2813.3695
8.613 - 7.258 =
1.355
342.07 x 27 =
9235.89
1.2792 divided 1.64 =
0.78
While at the movie theater, Sophia buys three drinks, each of which costs $5.75, one box of popcorn, which costs $7.35, and two boxes of candy, each of which costs $4.28. What is her total bill?
$33.16