Multiplication Of Whole Numbers, Decimals, Squares And Square Roots Worksheet With Answers Page 10
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41Answers
Starter activity
Show pupils the examples of objects with perfect
Exercise 1
faces. Ask if they can tell what makes these objects
1. 9, 16, 36, 49, 64
similar. Try to get them to realise that all the sides
2. a) 3 × 3 = 3
= 9; b) 5 × 5 = 5
= 25;
2
2
have the same length.
c) 9 × 9 = 9
= 81; d) 11 × 11 = 11
= 121
2
2
Lesson focus
e) 10 × 10 = 10
= 100: f ) 13 × 13 = 13
= 169
2
2
3.
Work through the introductory text on page 96
of the PB with your class, making sure that your
Number
2
6
11
13
15
16
17
20
pupils understand what is meant by a perfect face.
Index form
2
6
11
13
15
16
17
20
2
2
2
2
2
2
2
2
Use the given examples to illustrate.
Square
4
36 121 169 225 256 289 400
Asks pupils to complete Exercise 2.
Challenge
Answers
1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169,
Exercise 2
196, 225, 256, 289, 324, 361, 400
Pupils find, draw and label objects with perfect faces.
Workbook
1. 2
= 4, 3
= 9, 4
= 16, 5
= 25, 6
= 36,
2
2
2
2
2
Assessment
7
= 49, 8
= 64, 9
= 81, 10
= 100, 11
= 121,
2
2
2
2
2
Pupils should be able to identify objects with
12
= 144
2
perfect faces. Observe pupils during the starter
activity and look at their answers to Exercise 2.
Assessment
Pupils should be able to find the squares of
Support activity
numbers and solve problems involving squares
Ask pupils who find this lesson difficult to sort
of numbers.
mixed objects into those with perfect faces and
those without.
Observe the responses of the pupils during the
lesson. Look at their answers to Exercise 1.
Homework activity
Pupils could find objects with perfect faces at
Support activity
home and bring them to class to show the other
Ask pupils who struggle to identify square
pupils.
numbers on the 20 × 20 square wall chart again.
Practise the relevant times table where necessary.
Lesson 3
Pupil’s Book pages 97–99;
Homework activity
Workbook page 27
Pupils are to complete question 1 on page 27 of
the WB.
Preparation
You will need to have:
•
A number chart to refer to.
Lesson 2
Pupil’s Book pages 96 and 97
Starter activity
Preparation
Drill the pupils on squares of numbers. Let the
You will need to have:
pupils say the square of a number as fast as possible.
•
Collected examples of everyday objects that
They may check the wall chart on multiplication
have perfect faces to show the class.
for a guide.
65
Unit 15: Squares and square roots
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