Transcript grid_tuxu-low

Multiplying
TU by U
Next
Slide
How can we use a multiplication
grid to help us solve this wordNext
Slide
problem?
Sam had 6 packets of balloons for his
party.
Each packet contained 38 balloons.
How many balloons would Sam have to
blow up altogether?
What would the calculation look
like?
Next
38x6=
What would the
approximate answer be?
We know that 4x6=24 so……
40x6=240
Slide
38 x 6 =228
6
30
8
180
48
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180
48+
8
120
100
228
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Now your turn
34 x 6 =
30
What number goes here?
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34 x 6 =
30
4
What number goes here?
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34 x 6 =
30
4
6
What number goes here?
Next
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34 x 6 =
30
6
4
180
When you multiply 6 x 30
what number goes here?
Next
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34 x 6 =
6
30
4
180
24
When you multiply 6 x 4
what number goes here?
Next
Slide
34 x 6 =
6
30
4
180
24
Now add 180 and 24 what
number goes here?
180
Next
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34 x 6 =
6
30
4
180
24
Now add 180 and 24 what
number goes here?
Next
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180
24+
34 x 6 =
6
30
4
180
24
Now add up the units:
4+0=?
Next
Slide
180
24+
4
34 x 6 =
6
30
4
180
24
Now add up the tens:
20 + 80 = ?
Next
Slide
180
24+
4
100
34 x 6 =
6
30
4
180
24
Now add up the
hundreds: 100 + 0 = ?
Next
Slide
180
24+
4
100
100
34 x 6 =204
6
30
4
180
24
Now add everything up.
Next
Slide
180
24+
4
100
100
204
Next
Slide
Try this one on your own now:
36 x 4 =
LO: To use multiplication
A
Last
Slide
I need more practice to help me understand
this and I made lots of mistakes.
B
I am beginning to understand this
and I got many of them correct.
C
I really understand this and
I got most of them correct.