Understanding negative numbers

WALT understand negative numbers.

This week our topic focus is understanding negative numbers,adding the negative and positive numbers together.
We are also finishing off work because it is nearly the end of the term. Enjoy and read threw.

Compensation from tidy numbers

WALT add and subtract using compensation from tidy numbers

This week we are learning how to sole big decimal numbers and problems and making the number to the nearest ten this also involves adding, and subtracting.

Tenths and hundredths

WALT: add tenths and hundredths, use geometric language.

Room 4's math class has been learning about decimals, fractions, Mixed fractions, tenths and hundredths, also this is the last week, we have to Finnish off any maths task that has not been completed and try Finnish it by the end of the week.

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