Addition
0.95 + 5.09 =
6.04
5.68 - 4.23 =
1.45
8 x 6.5 =
52
13.8 / 3 =
4.6
For which 2 operations (addition, subtraction, multiplication, division) do you need to line up the decimal points?
Addition and Subtraction
11.27 + 9.4 =
20.67
67.75 - 8.1 =
59.65
4.2 x 1.8 =
7.56
33.6 / 5 =
6.72
For which operations (addition, subtraction, multiplication, division) do you need to count the number of digits after the decimal points?
Multiplication
9.6 + 0.18 =
9.78
43.03 - 6.91 =
36.12
3.7 x 0.8 =
2.96
156 / 5 =
31.2
What digit do you need to add to the dividend (after the decimal point) when there are no more numbers to bring down?
0
1.23 + 8
9.23
12 - 4.61 =
7.39
0.07 x 0.4
0.028
122 / 6.1
20
When multiplying by a decimal, how do you know where to place the decimal point in your answer?
Count how many decimal values are in the numbers you are multiplying
Shay spent $8.00 on candy to make treat bags for a halloween party and Melinda spent $2.45 on candy for treat bags. How much money did they spend in all on candy?
$10.45
Dave went to the store with $62 and spent $48.60 on video games. How much money did he leave the store with?
$13.40
Pork chops cost $3.80 a pound at the market. Mary buys 5.4 pounds. Find the cost.
$20.52
Three friends went out to dinner. The total cost of the meal was $28.74. If all three friends ordered exactly the same thing, how much does each friend owe?
$9.58
What's the rule when you have a decimal in a divisor?
Make the divisor a whole number.