the multiplication pack - teachingideas.co.uk · to multiply a number by 25, multiply it by 100 and...
Post on 19-Apr-2018
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Multiplication is a quick way of adding groups of things.
Each group must have the same number of things in it.
Here are four groups of oranges.There are three oranges in each group.
There are twelve oranges altogether,so four groups of three is twelve.
3 3 3 3+++
We use multiplication in many different situations. Here are some examples.
You might see these words and phrases in
multiplication questions:
multiplytimeslots of
groups ofmultiplied by
arrayrepeated addition
product
Working out the total cost when you are buying lots of the same item.
Finding the area of a space.
Paying people for the number of hours they have worked.
Working out how long a task might take.
We use the x sign when we are multiplying.
This means times, multiplied by,lots of or groups of.
Here are two groups of tennis balls.There are four balls in each group. So...
This means...• Two times four equals eight.• Two multiplied by four equals eight.• Two lots of four is eight.• Two groups of four equals eight.
2 x 4 = 84
4
+
The answer is called the
product.
To multiply a number by four, double it twice.
15 x 4Double 15 = 30Double 30 = 60
To multiply a number by 50, multiply it by 100 and then halve it.
To multiply a number by 25, multiply it by 100 and then halve it twice!
To multiply a number by 9, multiply it by
10 and subtract the number.
19 x 919 x 10 = 190
190 – 19 = 171
Use these helpful tips to speed up your
multiplication skills!
Learn your times tables!Knowing your tables can make it much easier to solve multiplication problems, answer fractions questions and more!
Multiply the number in the centre of each circle by the numbers in the middle ring and write the answers in the outer ring!
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1.
4×
14
2
8
6
95
7
3
10
2.
6×
57
3
2
9
16
4
10
8
3.
5×
89
6
4
1
27
10
5
3
4.
3×
21
8
9
4
36
5
7
10
5.
1×
106
8
1
2
93
5
4
7
6.
2×
84
1
2
3
79
10
6
5
Can you answer these multiplication questions?
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1) 12 x 6 = x
2) 23 x 5 = x
3) 25 x 7 = x
4) 38 x 4 = x
5) 46 x 2 = x
6) 81 x 6 = x
7) 43 x 5 = x
8) 34 x 7 = x
9) 24 x 9 = x
10) 46 x 6 =
x
11) 50 x 9 =
x
11) 47 x 6 =
x
Can you answer these multiplication questions?
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1) 1 2
x 5
2) 1 8
x 4
3) 1 7
x 6
4) 3 2
x 5
5) 2 9
x 6
6) 4 3
x 8
7) 5 0
x 7
8) 6 9
x 4
9) 5 6
x 4
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Can you find the pairs of cards that have the same answer?
4 x 2 3 x 8
3 x 4 2 x 3
2 x 6 4 x 6
1 x 6 2 x 4
4 x 5 3 x 3
1 x 9 2 x 10Set A
2 x 3 3 + 3
6
2 x 4 4 + 4
8
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3 x 3 3 + 3 + 3
9
2 x 5 5 + 5
10
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