Adding Decimals
True or False?
You only have to line up decimals for addition and subtraction.
true
Do you line up decimals when you subtract?
yes
Do you line up decimals when you multiply?
no
True or False
Multiplying a number by 1/2 is the same as dividing the number by 2.
True
The answer to an addition problem
sum
1.65 + 93 =
94.65
50 - 15.25 =
34.75
1.32 x 0.9 =
1.188
38 ÷ 4
9.5
The answer to a subtraction problem
difference
Add
1,023.99 + 6.99 =
1,030.98
subtract
103.4 - .26 =
103.14
Solve
3.47 x 7.5
26.025
what is 1/2 of 37?
18.5
The answer to a multiplication problem
Product
Add
204 + 81.29
285.29
Subtract
7,058 - 65.7 =
6,992.3
multiply
10.5 x .02 =
0.21
divide
56.8 ÷ 5
11.36
The answer to a division problem
Quotient
Add
22,105.3 + 154.77 =
22,260.07
subtract
1001 - 33.55 =
967.45
4.65 x 9.9
46.035
262.5 divided by 50
5.25
The number you are dividing by
Divisor