1. Decimals
Place counts!

2. Place Value 0.123 The 1 is in the _____________ place
Place value is the digits “address” in the number. Think about where the digit is placed.
0.123
The 1 is in the _____________ place
The 2 is in the _____________ place
The 3 is in the _____________ place

3. Digit Value 0.234 The digit value of the 2 is _____ tenth
Use place value to determine how much the digit is worth.
0.234
The digit value of the 2 is _____ tenth
______ decimal form _______ fraction form
The digit value of the 3 is _____ hundredths
The digit value of the 4 is _____ thousandths

4. Compare and Order Decimals 0. 1 0. 3 0. 07 0. 009 0. 16 0. 34 0. 075 0
Line up the decimal points
Fill in with zeros
Compare using place value and put in order
Step 1
Step 2
Step 3
0.100
0.300
0.070
0.009
0.160
0.340
0.075
0.001
0.900
0.001
0.009
0.070
0.075
0.100
0.160
0.300
0.340
0.900
Draw a line from Step 2 to Step 3. The first one has been done for you

5. 0.009 _____________ _______ 0.070 _____________ _______
Decimal form Word form Fraction form
0.001 one thousandths 1 / 1000
0.009 _____________ _______
0.070 _____________ _______
0.075 _____________ _______
0.100 _____________ _______
0.160 _____________ _______
0.300 _____________ _______
0.340 _____________ _______
0.900 _____________ _______

6. 0.009 _____________ _______ 0.07 _____________ _______
Decimal form Word form Fraction form
one thousandths 1 / 1000
_____________ _______
_____________ _______
_____________ _______
_____________ _______
0.16 _____________ _______
0.3 _____________ _______
0.34 _____________ _______
0.9 _____________ _______
Are these decimals equivalent to the ones on the previous page? Why or why not?
________________________________________________________________________

7. 0.001
0.009
0.07
0.075
0.1
0.16
0.3
0.34
0.9
The first number line is for decimals from 0 to
The second number line is for decimals from 0 to 0.01
The third number line is for decimals from 0 to 0.1
Where would the first number line be if you could place it on the second number line? Highlight that area on the second line.
Where would the second number line be if you could place it on the third number line? Highlight that area on the third line.

8. a b c d e f g h i
Place the decimal numbers on the number lines below using the letter next to each decimal number. The first one has been done for you. a

9. Adding and Subtracting Decimals
You must add place to place
Line up the decimal points
Fill in with zeros
Add or subtract – regroup if necessary
Bring the decimal point in the sum or difference straight down

10. Add and Subtract remember to fill in with zeros
0.8 – 0.04
2.633
2.703
0.80
0.76