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Thursday, June 8, 2017

Place value - tenths

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 (2) 8.7 (3) 2.1

4) 18.9 (5) 23.8 (6) 1.6

7) 0.5 (8) 0.2 (9) 3.9

10) 15.2 (11) 15 (12) 674

13) 1023 (14) 1045.6 (15) 300.1

16) 89.4 (17) 0.9 (18) 0.3

19) 104.3 (20) 100.5












Question
1000
100
10
1
Expanded number
1.


3
4
5

2



8
7

3



2
1

4


1
8
9

5


2
3
8

6



1
6

7



0
4

8



0
2

9



3
9

10


1
5
2

11


1
5


12

6
7
4


13
1
0
2
3


14
1
0
4
5
6

15

3
0
0
1

16


8
9
4

17



0
9

18



0
3

19

1
0
4
3

20

1
0
0
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
7.1
G
6



600
H


3
8
3.8
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) 4536. 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 (2) 32.1 (3) 123.7

4) 0.89 (5) 45.6 (6) 56.1

7) 286. 2 (8) 39.1 (9) 8.2


10) 478.30

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