Show:
multiplying decimals
dividing with 1 digit divisors
multiplying decimals by whole number
Using the strategies
Place Values
100
0.3 X 0.2 =
0.06
100

120 / 4 =

30

100
0.2 x 2 =
0.4
100

How do you add decimals?

You line up all the place values and the decimal point, and add like normal. Don't forget to include the decimal point in your answer, too!

100

What is the place value to the left of a decimal point?

The ones place

200
1.2 x 0.4 =
0.48
200

362 / 2

181

200
0.8 x 4 =
0.32
200

How do you subtract decimals?

To subtract decimals, you first need to find the largest number to go on top. To do that, you look to the left of the decimal; what is the whole number. Once you find the largest number, you line up all the place values and decimal point, and subtract like normal.

200

What is the place value two spaces from the left of the decimal point?

The tens place

300
1.5 x 0.2 =
0.3
300

143 / 4 =

35 R 3

35 3/4

35.75

300
1.2 x 3 =
3.6
300

What happens if you have one or more missing place values in an addition/subtraction problem with decimals?

You fill in zeros for the missing place values.

300

What's the place value to the right of the decimal?

The tenths place

400
5.0 x 3.3 =
16.5
400

324 / 5

64 R 4

64 4/5

64.8

400
3.5 x 5 =
17.5
400

What is a reminder? What are the different ways to show remainder?

A remainder is what's left over after a division problem is complete. You can show it by either writing capital letter R or as a fraction. 

A fraction remainder would be remainder as the numerator, divisor as the denominator. 

400

What's the place value 2 places from the right of the decimal?

The hundreths

500
0.15 x 0.5 =
0.075
500

351 / 2 =

175 R 1

175 1/2

175.5

500
124.2 x 2 =
248.4
500

How do you divide?

You only look at one digit at a time in the dividend; you divide, multiply, subtract, drop down, and repeat. You stop once you cannot drop down any other digits.

500

What's the place value 3 places from the right of the decimal?

The thousandths