Copy of Complete Guide to Decimals

4.4 4.04 5.678 5.679

17 18

0.234 0.3 7.015 7.150

19 20

Name: Answer Key Date: _________________
_________________________________________________

1. < 2. = 3. > 4. <

5. < 6. > 7. = 8. >

9. < 10. = 11. < 12. >

13. > 14. > 15. > 16. >

17. > 18. < 19. < 20. <

Directions: Match the decimal model
with the decimal in number form.

.02
.03
.19

.99
.1
.4

.81
.05
.04

.8
.77
.9

.97
.45
.14

.6
.62
.06

Directions: Match the decimal in
number form with the decimal in
word form.

.785 seven
1.6 hundred
eighty-five
thousandths

one and
six tenths

.68 sixty-eight
0.8 hundredths

eight
tenths

.0153 one hundred
2.15 fifty-three

ten
thousandths

two and
fifteen
hundredths

.003 three
thousandths

6.75 six and
seventy-

five
hundredths

.17643 seventeen
11.05 thousand, six
hundred forty-
three hundred-
thousandths

eleven and
five

hundredths

.008 eight
thousandths

0.545 five hundred
forty-five

thousandths

0.1245 one thousand,
two hundred
2.41 forty-five ten-
thousandths

two and
forty-one
hundredths

10.30 ten and
thirty
hundredths

0.41 forty-one
hundredths

0.9 nine
tenths
7.501
seven and
five

hundred one
thousandths

.336 three
3.36 hundred
thirty-six
thousandths

three and
thirty-six
hundredths

Name: Answer Key Date: _________________
_________________________________________________

.785 = seven hundred 1.6 = one and six tenths .68 = sixty-eight 0.8 = eight tenths
eighty five hundredths
thousandths

0.0153 = one hundred 2.15 = two and fifteen .003 = three 6.75 = six and seventy-
fifty-three ten hundredths thousandths five hundredths
thousandths

.17643 = seventeen 11.05 = eleven and five .008 = eight 0.545 = five hundred
thousand, six hundred hundredths thousandths forty-five
forty three hundred- thousandths
thousandths 2.41 = two and forty- 10.30= ten and thirty
one hundredths hundredths 0.41 = forty-one
0.1245 = one thousand, hundredths
two hundred forty-
five ten-thousandths

0.9 = nine tenths 7.501 = seven and five .336 = three hundred 3.36 = three and
hundred one thirty-six thousandths thirty-six hundredths
thousandths

Directions: Use the models to
create a number sentence and
then solve.

+= +=

1 2

-= -=

3 4

+= +=

5 6

-= -=

7 8

+= +=

9 10

-= -=

11 12

+= +=

13 14

-= -=

15 16

+= +=

17 18

-= -=

19 20

Name: Answer key Date: _________________
_________________________________________________

1.) 0.7 + 0.08 = 0.78 2.) 0.1 + 0.09 = 0.19 3.) 0.18 - 0.1 = 0.08 4.) 0.89 - 0.78 = 0.11

5.) 0.74 + 0.69 = 1.43 6.) 0.22 + 0.09 = 0.31 7.) 1.68 – 0.77 = 0.91 8.) 0.8 - .19 = 0.61

9.) 0.2 + 1.98 = 2.18 10.) 0.3 + 0.21 = 0.51 11.) 2 – 0.35 = 1.65 12.) 0.86 – 0.57 = 0.29

13.) 1.94 + 0.75 = 2.69 14.) 0.06 + 0.12 = 0.18 15.) 1 – 0.78 = 0.22 16.) 0.57 – 0.37 = 0.2

17.) 1.2 + 0.98 = 2.18 18.) .95 + .88 = 1.83 19.) 1.12 – 0.75 =0.37 20.) 0.22 – 0.09 = 0.13

Directions: Solve each decimal
problem.

Solve: Solve:

3.65 + 1.49= 9.1 + 11.45=

1 2

Solve: Solve:

10 – 7.86= 4.78 - .865=

3 4

Solve: Solve:

9 + 2.38= .685 + .4=

5 6

Solve: Solve:

1 – 0.595= 2.16 - 0.485=

7 8

Solve: Solve:

2.41+ 0.999= 4.64 + 0.85=

9 10

Solve: Solve:

1.13 - 0.75= .845 - .3=

11 12

Solve: Solve:

18.795 + .99= 6.41 + .555=

13 14

Solve: Solve:

.10 – .006= 2.74 – 1.87 =

15 16

Solve: Solve:

0.112 + 3.56= 4.3 + 8.79=

17 18

Solve: Solve:

5 – 2.56= 1 - 0.0011=

19 20

Name: Answer key Date: _________________
_________________________________________________

1.) 5.14 2.) 20.55 3.) 2.14 4.) 3.915

5.) 11.38 6) 1.085 7.) 0.405 8.) 1.675

9.) 3.409 10.) 5.49 11.) 0.38 12.) 0.545

13.) 19.785 14.) 6.965 15.) 0.094 16.) 0.87

17.) 3.672 18.) 13.09 19.) 2.44 20.) 0.9989

Directions: Round each decimal
to the indicated place value.

Round the decimal to Round the decimal to
the nearest tenth. the nearest whole
number.
.98
3.785
1
2
Round the decimal to
the nearest Round the decimal to
hundredth. the nearest
thousandth.
.395
.2116
3
4

Round the decimal to Round the decimal to
the nearest tenth. the nearest whole
number.
.85
9.95
5
6
Round the decimal to
the nearest Round the decimal to
hundredth. the nearest
thousandth.
.478
.9875
7
8

Round the decimal to Round the decimal to
the nearest tenth. the nearest whole
number.
.37
1.15
9
10
Round the decimal to
the nearest Round the decimal to
hundredth. the nearest
thousandth.
4.993
6.1555
11
12

Round the decimal to Round the decimal to
the nearest tenth. the nearest whole
number.
25.19
101.63
13
14
Round the decimal to
the nearest Round the decimal to
hundredth. the nearest
thousandth.
9.220
.6589
15
16

Round the decimal to Round the decimal to
the nearest tenth. the nearest whole
number.
3.534
211.34
17
18
Round the decimal to
the nearest Round the decimal to
hundredth. the nearest
thousandth.
9.854
5.1006
19
20

Name: Answer key Date: _________________
_________________________________________________

1.) 1 2.) 4 3.) .40 4.) 0.212

5.) 0.9 6) 10 7.) 0.48 8.) 0.988

9.) 0.4 10.) 1 11.) 5 12.) 6.156

13.) 25.2 14.) 102 15.) 9.22 16.) .659

17.) 3.5 18.) 211 19.) 9.85 20.) 5.101

Directions: write each decimal in
word form or number form as
indicated.

Write the decimal in Write the decimal in
word form. number form.
sixty three
.32 hundredths

1 2

Write the decimal in Write the decimal in
word form. number form.
four and two
2.96 tenths

3 4

Write the decimal in Write the decimal in
word form. number form.

3.11 three hundred 6
eleven
5
thousandths
Write the decimal in
word form. Write the decimal in
number form.
.8579
nine hundredths
7
8

Write the decimal in Write the decimal in
word form. number form.

10.1 fifty two
hundredths
9
10
Write the decimal in
word form. Write the decimal in
number form.
.413
twenty and 12
11 thirty three
hundredths

Write the decimal in Write the decimal in
word form. number form.

201.006 seven hundred 14
one
13
thousandths
Write the decimal in
word form. Write the decimal in
number form.
.46789
twenty five 16
15 and thirty
hundredths

Write the decimal in Write the decimal in
word form. number form.
fifteen ten-
.0001 thousandths

17 18

Write the decimal in Write the decimal in
word form. number form.

15.990 six thousandths

19 20

Name: Answer key Date: _________________
_________________________________________________

1. Thirty-two 2. 0.63 3. Two and ninety-six 4. 4.2
hundredths hundredths

5. Three and eleven 6. 0.311 7. Eight thousand, five 8. 0.09
hundredths hundred seventy-nine
ten-thousandths

9. Ten and one tenth 10. 0.52 11. Four hundred 12. 20.33

thirteen thousandths

13. Two hundred one 14. 0.701 15. Forty-six thousand, 16. 25.30
and six thousandths seven hundred 20. 0.006
eighty-nine hundred-
17. One ten-thousandth 18. 0.0015 thousandths

19. Fifteen and nine
hundred ninety
thousandths

Directions: write each decimal in
expanded form or standard form
as indicated.