Multiplication Of Whole Numbers, Decimals, Squares And Square Roots Worksheet With Answers Page 3
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41draw four cards from a set of large 0 to 9 number
Extension activity
cards, and place them in the top row and left-hand
You can write nine different multiplication
column of the grid to make a multiplication. Do
sentences using just two digits from the digits 9,
the first couple of calculations together as a class,
3 and 6. They are: 3 × 3 = 9, 6 × 6 = 36,
gradually asking pupils to do more, until they are
9 × 9 = 81, 3 × 6 = 18, 6 × 3 = 18, 6 × 9 = 54,
working independently.
9 × 6 = 54, 9 × 3 = 27, 3 × 9 = 27.
When most pupils are able to do the calculations
If you multiply more than two digits together
without any help, move on to Exercise 2 on
at once, how many combinations can the
page 85 of the PB.
pupils make? (there is an infinite number of
multiplication sentences).
Answers
Exercise 2
Homework activity
1. a) 1 786; b) 2 759; c) 7 397
Pupils to complete question 1 on page 24 of the
2. a) 2 277; b) 2 925; c) 28 675
WB.
3. a) 4 836 aeroplanes; b) 8 268 aeroplanes;
c) 9 984 aeroplanes
Lesson 3
Pupil’s Book page 85; Workbook page 24
Workbook
Preparation
2. a) 20; b) 450; c) 640; d) 320; e) 12; f ) 455;
g) 1 350; h) 30; i) 400; j) 112; k) 180; l) 126;
You will need to have:
m) 208; n) 187; o) 114; p) 280; q) 225; r) 196
•
Drawn a 3 × 3 grid on the board
•
A set of large 0 to 9 number cards
•
Three six-sided dice.
Assessment
Starter activity
Look at pupils’ answers to Exercise 2. Pupils
should be able to multiply any 2- or 3-digit
Write the numbers 1 to 10 on the board. Next to
whole number by another 2-digit number.
each number write a 2-digit whole number. Include
some numbers with a zero in the Units column.
Ask pupils to write each number in its expanded
Extension activity
form, as an addition involving tens and units.
Draw the following on the board (or on a piece
For example, if you wrote 61, pupils would write
of paper if playing in groups):
60 + 1. Challenge pupils to write the expanded
□ □ × □
numbers as quickly as they can.
Roll three six-sided dice. Place one die in each box
Repeat the activity, but now write 2-digit whole
to create a multiplication problem (for example,
numbers in their expanded form, asking pupils to
36 × 4). Challenge pupils or groups of pupils to
write the numbers in figures. For example, if you
work out the answer as quickly as possible.
wrote 70 + 4, pupils would write 74.
Homework activity
Lesson focus
Ask pupils to complete question 2 page 24 of
Work through the introductory text with your
the WB.
class, making sure that your pupils understand
the worked examples. Give them practice in
Lesson 4
Pupil’s Book page 86
multiplying 3-digit and 2-digit numbers with
2-digit numbers, including using a grid to keep
Preparation
track of their calculations. You could do this by
drawing a 3 × 3 grid on the board, which pupils
You will need to have:
copy into their note books. Ask a volunteer to
•
A soft ball
58
Unit 13: Multiplication of whole numbers
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