Dividing Whole Numbers by Decimals
Do you line up decimals when you add?
yes
Do you line up decimals when you subtract?
yes
Do you line up decimals when you multiply?
no
Give directions on how to solve
262 ÷ 5
Set the long division problem up
Divide as normal
When necessary add a decimal point in your dividend and your quotient. Then annex a zero.
Continue dividing following your (DMSBR) Steps
The answer to an addition problem
sum
Give directions on how to add these decimals.
1.65 + .23 =
line up decimals
Annex zeros if necessary
add
bring decimal down
Give directions on how to solve
50.00 - 15.25 =
line up decimals
Annex zeros if necessary
Subtract
bring decimal down
Give directions on how to solve
1.32 x .2 =
Calculate the products of the whole numbers first
Multiply your product by the same powers of ten in your factors (count decimal spaces)
38 ÷ 4
9.5
The answer to a subtraction problem
difference
Add
23.99 + 6.99 =
30.98
subtract
3.50 - 1.20 =
2.30
what is 3.47 x 0.31
1.0757
291 ÷ 6
48.5
The answer to a multiplication problem
Product
Add
204.1 + 1.29
205.39
Subtract
75.8 - 3.44 =
72.36
multiply
10.5 x .02 =
0.21
divide
568 ÷ 5
113.6
The answer to a division problem
Quotient
Add
105 + 54.77 =
159.77
subtract
100 - 33.55 =
66.45
multiply
4.65 x 0.562
2.6133
divide
12.5 ÷ 5
2.5
The number you are dividing by
Divisor