Show:
Adding Decimals
Subtracting Decimals
Rounding Decimals
Multiply Decimals by Whole Numbers
Multiply Decimals by Decimals
100
3.29 + 7.6 =
10.89
100
26.48 - 6.25 =
20.23
100
Round 6.38 to the whole number
6
100
6.28 X 2
12.56
100
32.19 X 0.5 =
16.095
200
6.7 + 42.9 =
49.6
200
76.48 - 24.64 =
51.84
200
Round 168.84 to the whole number
169
200
58.4 X 4 =
233.6
200
23.54 X 3.1 =
72.974
300
78.29 + 6.75 =
86.04
300
65.4 - 22.6 =
42.8
300
Round 287.15 to the whole number
287
300
14.9 X 8 =
119.2
300
21.6 X .04 =
0.864
400
106.348 + 32.4 =
138.748
400
68.4 - 13.298 =
55.102
400
If the number to the right of which you are rounding is 5 or greater, you do this to the number you are rounding.
What is rounding up?
400
19.82 X 12 =
237.84
400
42.86 X 1.4 =
60.004
500
When adding together decimals, you need to line these up.
What are the decimals?
500
When subtracting a number from nothing, you need to place this above the number before you can borrow.
What is a zero?
500
If the number to the right of the number you are rounding to is 4 or less, you do this.
What is drop off the numbers to the right of the rounding number?
500
If the decimal being multiplied has 4 numbers behind the decimal point, this is the amount in the answer.
What are 4 decimal places?
500
The number is decimal places in each number of the problem is 3, this is the amount of decimal places in the answer.
What are 6 decimal places?