Decimal fractions

Place value practice with tenths

We are learning to use tenths

Example: Fill in your worksheet as shown

Example: 345.6

100	10	1
3	4	5	6

Expanded number: 300 + 40 + 5 + 6/10

Exercise 1

What to do

1. Fill in your worksheet
2. Then expand your number

1) 34.5   3 4 5 (2) 8.7  8 7 (3) 2.1   2 1

4) 18.9  1 8 9 (5) 23.8  2 3 8 (6) 1.6 1 6

7) 0.5   5 (8) 0.2   2 (9) 3.9 3 9

10) 15.2  1 5 2 (11) 15  1 5 (12) 674 6 7 4

13) 1023  1 0 2 3 (14) 1045.6 1 0 4 5 6 (15) 300.1  3 0 0 1

16) 89.4   8 9 4 (17) 0.9  9 (18) 0.3 3

19) 104.3  1 0 4 3 (20) 100.5  1 0 0 5

Question	1000	100	10	1		Expanded number
1.			30	4	⅕	34.5
2				8	1/7	8.7
3				2	1/1	2.1
4			10	8	1/9	18.9
5			20	3	⅛	23.8
6				1	1/6	1.6
7				0	1/5	0.5
8				0	½	0.2
9				3	1/9	3.9
10			10	5	½	15.2
11			10	5		15
12		600	70	4		674
13	1000		70	3		1073
14	1000		40	5	1/6	1045.6
15		300			1/1	300.1
16			80	9	¼	89.4
17					1/9	9
18				0	1/3	0.3
19		100		4	1/3	104.3
20		100			1/5	100.5

Exercise 2

What to do:

Write the expanded numbers as a decimal fraction

Question	100	10	1	1/10	Decimal fraction
A	4		3		403
B		8	9		89
C	2	3	4	6	234.6
D	3		6		306
E
F		7		1	71
G	6				6
H			3	8	0.38
I	8	2	4	5	824.5
J	3		1		301
K	2	3	5	9	235.9

Exercise 3

Underline the tenths in each question

1)  34.6 (2) 78 (3) 345.9

4)  1234.6 (5) 67.9 (6) 0.012

7)  59.345 (8) 12345.8 (9) 456.67

10)  12.89 (11) 0.897 (12) 21.21

Exercise 4

Highlight the digit in the tens place

1) 24 741 (2) 18 932 (3) 78.043

4) 567.15 (5) 4556. 407

Exercise 5

Add one tenth () to each of these numbers

1)  0.7 (2) 0.3 (3) 12.0

4) 24.4 (5) 12.6 (6) 168.4

7)  2145.2 (8) 0.9 (9) 23.9

Exercise 6

Take one tenth () from each of these numbers

1) 39.6 1/5 (2) 32.1/0 (3) 123.7 1/6

4) 0.1 1/88 (5) 45 1/5 (6) 56.1/0

7) 286. 1/1 (8) 39.1/0 (9) 8.1/1

10) 478.30 1/29