True/False
When adding and subtracting decimals, you always line up the decimal point.
True
39.23 + 124.5 =
163.73
20.8 - 7.34=
13.46
4302 write this in expanded notation
(4x1,000)+(3x100)+(2x1)
Define a mixture
A combination of two or more substances in which each keeps its own properties and both can be easily separated
When adding and subtracting decimals, you put the number with the greatest value on the bottom.
False
14.73+15.1=
29.83
34.63 - 27.9=
6.73
3.52
(3x1)+(5 x .10)+(2 x .01)
12 x 3
36
When multiplying decimals, the amount of decimal places in your factors determines how many decimal places will be in your product.
True
3 + 4.55=
7.55
15- 0.48=
14.52
12,345
(1x10,000)+(2x1,000)+(3x100)+(4x10)+(5x1)
What is a solution
A liquid mixture in which one substance is mixed evenly throughout another substance
When adding and subtracting decimals, you always put the number with more digits on top.
False
17.82 + 3.66=
21.48
67 - 27.33=
39.67
125.01
(1x100)+(2x10)+(5x1)+(1x.01)
Write this number in word form 3,614
three-thousand six hundred and fourteen.
When adding and subtracting decimals, you count how many numbers are behind the decimals in the problem and put the same number of decimal places in your answer.
False! That's for multiplying!
110.7 + 1,342.81=
1,453.51
345,245.7 - 453,774.86
108,529.16
2,453.89
(2x1,000)+(4x100)+(5x10)+(3x1)+(8x.1)+(9x.01)
Mr. Cunningham's favorite 2 colors are what?
Purple and green