Multiplication Of Whole Numbers, Decimals, Squares And Square Roots Worksheet With Answers Page 34
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41life skill as well as an important mathematical concept.
Homework activity
Not only does this enable pupils to write one unit
Give your pupils the following task to do at home:
of measurement as another one, it will also further
1. Measure the height of all the adults in your
develop the concept of equivalence. After the starter
house and write the measurements down.
activity, ask your pupils questions like: “If there are
2. Measure the height of all the children in your
100 cm in 1 metre, how many centimetres are there in
house and write the measurements down.
2 metres?” Write on the board: 1 m = 100 cm;
3. Order the heights from shortest to tallest.
2 m = 200 cm.
Ask them how they calculated the answer and then
Lesson 3
Pupil’s Book pages 134 and 135;
consolidate that 2 × 100 cm = 200 cm. Then ask
Workbook page 36
them how they would write 200 cm as metres.
Once you have discussed this with your pupils,
Preparation
go through the worked examples with them. Ask
You will need to have:
pupils to do Exercise 3.
•
Rulers with mm and cm markings on them
•
Metre stick(s)
Answers
•
Pieces of card cut in strips one metre long
Exercise 3
•
Objects your pupils can measure for their
1. a) 2.6 km; b) 9.617 km; c) 19.642 km;
length, for example, books, pieces of wood,
d) 4.315 km; e) 8.352 km; f ) 26.602 km
rectangular boxes, and so on.
2. a) 7 km 530 m; b) 11 km 254 m;
c) 18 km 232 m; d) 6 km 248 m;
Starter activity
e) 4 km 400 m; f ) 47 km 457 m
Ask your pupils to work in pairs for this activity.
3. a) 4 013 m; b) 16 000 m; c) 6 445 m;
In advance, cut metre long strips of paper, one
d) 2 652 m; e) 15 480 m; f ) 24 001 m
strip for each pair. Ask your pupils to measure
Workbook
their strip of paper in centimetres. This requires
careful measuring, using their rulers. Ask them how
6. a) 100 cm
b) 6 m
many centimetres make up one metre. Lead them
to arrive at the answer of 100 cm, which equals
Assessment
one metre. You will have to remediate if pairs have
Pupils should be able to convert metres to
not measured accurately. Point out that 1 metre =
centimetres and centimetres to metres.
100 cm and 100 cm can be written as 1 metre.
Observe and listen to pupils’ responses during
Paste a strip of paper that measures exactly one
the lesson. Look at their answers to Exercise 3.
metre on the board. Then ask them to describe
1 cm compared to 1 m. It is important to discuss
Support activity
the differences in the units so that your pupils are
If pupils find it difficult to convert lengths given
able to form a very clear impression of the different
in mixed units then encourage these pupils to take
units of length. This will help to avoid confusion
a multi-step approach to these conversions and
between metres and centimetres.
to write their reasoning down. For example, to
convert 1 m and 57 cm to cm, they could reason:
Summarise the conversion factors on the board,
1 m = 100 cm, so 100 cm + 57 cm = 157 cm.
using both the full name of each unit (metres,
centimetres), as well as the abbreviations (m, cm).
Homework activity
Lesson focus
Pupils are to complete question 6 on page 36 of
the WB.
In this lesson, your pupils will learn how to convert
between metres and centimetres. This is an important
89
Unit 21: Estimating and measuring length
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education