You should always line up the decimals when using the standard algorithm.
True
3.4 + 6.7 =
10.1
6.3 - 5.7 =
.6 or 0.6
On Halloween night Oscar collect 5.18 pounds of candy. His brother collect 4.75 pounds of candy. What is the total amount of candy Oscar and his brother collect?
9.93 pounds of candy
You should put a zero in any place value that doesn't have a number.
True
36.41
23.17 - 12.08 =
11.09
On Friday Victor played video games for 37.56 minutes. On Saturday he played 26.39 minutes of video games. What is the difference between the number of minutes Victor played on Friday and Saturday?
11.17 minutes
You should always start adding or subtracting from the left to the right.
False - Start adding or subtracting from the RIGHT to the left.
58.84 + 27.49 =
86.33
65.34 - 49.76 =
15.58
It took Dylan 46.3 minutes to complete his reading homework. It took him 18.52 to complete his math homework. How much longer did it take Dylan to complete his reading homework than his math homework?
27.78 minutes