Wednesday, 21 June 2017
Place value problems 1-1000
SECTION 1
Can you write the value of the underlined digit?
36 - 6 = 30
63 - 60 = 3
629 - 900 = 271
904 - 900 = 4
12 - 10 = 2
907 - 7000 =6092
1990 - 100 = 1892
3842 - 300= 3542
SECTION 2
Write these words in numbers.
- Three hundred and two 302
- Eight hundred and sixty three 863
- One thousand 1000
- Nine hundred 900
- Seventy seven 77
- One thousand two hundred and one 1021
- Two thousand four hundred and fifty seven 2457
SECTION 3
Add ten to these numbers:
- 355 - 365
- 293 - 333
- 33 - 43
- 19 - 29
- 682 - 692
Tuesday, 20 June 2017
Wednesday, 14 June 2017
Monday, 12 June 2017
Thursday, 8 June 2017
Wednesday, 7 June 2017
Thursday, 1 June 2017
Decimal Fractions
WALT:Identify and use 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
- Fill in your worksheet
- 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
|
30+4+5/10
| ||
2
|
8
|
7
|
8+ 7/10
| |||
3
|
2
|
1
|
2.1
| |||
4
|
10
|
8
|
9
|
10+8+9/10
| ||
5
|
20
|
3
|
8
|
20+3+8/10
| ||
6
|
1
|
6
|
1.6
| |||
7
|
0
|
5
|
0.5
| |||
8
|
0
|
2
|
0.2
| |||
9
|
3
|
9
|
3.9
| |||
10
|
10
|
5
|
2
|
10+5+2/10
| ||
11
|
1
|
5
|
15
| |||
12
|
6
|
7
|
4
|
674
| ||
13
|
1
|
0
|
2
|
3
|
1000+2+3/10
| |
14
|
1
|
0
|
4
|
5
|
6
|
1000+4+5+6/10
|
15
|
3
|
0
|
0
|
1
|
300+1/10
| |
16
|
8
|
9
|
4
|
80+9+4/10
| ||
17
|
0
|
9
|
0.9
| |||
18
|
0
|
3
|
0.3
| |||
19
|
1
|
0
|
4
|
3
|
100+4+3/10
| |
20
|
1
|
0
|
0
|
5
|
100+5/10
|
Exercise 2
What to do:
Write the expanded numbers as a decimal fraction
Question
|
100
|
10
|
1
|
1/10
|
Decimal fraction
|
A
|
4
|
0
|
3
|
0
|
403
|
B
|
7
|
8
|
9
|
0
|
789.0
|
C
|
2
|
3
|
4
|
6
|
234.6
|
D
|
3
|
5
|
6
|
0
|
356.0
|
E
|
0
|
0
|
0
|
0
| |
F
|
7
|
0
|
1
|
70.1
| |
G
|
6
|
600
| |||
H
|
3
|
8
|
30.8
| ||
I
|
8
|
2
|
4
|
5
|
824.5
|
J
|
3
|
0
|
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
) to each of these numbers
1) 0.8 (2) 0.4 (3) 12.1
4) 25.45 (5) 13.7 (6) 169.5
7) 2146.3 (8) 0.10 (9) 23.2
Exercise 6
Take one tenth (
) from each of these numbers
) from each of these numbers
1) 39.5 (2) 32.0 (3) 123.6
4) 0.88 (5) 45.5 (6) 56.0
7) 286. 1 (8) 39.0 (9) 8.1
10) 478.29
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