Answer these quick fire questions on your mini whiteboards.
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Transcript of Answer these quick fire questions on your mini whiteboards.
![Page 1: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/1.jpg)
Answer these quick fire
questions on your mini whiteboards.
![Page 2: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/2.jpg)
Learning Objective
Multiply any integer by 10, 100 and 1000.
![Page 3: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/3.jpg)
Discuss the following
numbers…
![Page 4: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/4.jpg)
What is the relationship
between these numbers?
![Page 5: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/5.jpg)
What number is missing in the sequence?
![Page 6: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/6.jpg)
What happens when we multiply 19 by 10?
It looks like we add a zero, but really all the
numbers move one place along the grid
to the left.
![Page 7: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/7.jpg)
Now multiply by 100….
Now multiply by 1000…
![Page 8: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/8.jpg)
Mental Maths
![Page 9: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/9.jpg)
Learning Objective
Multiply any integer by 10, 100 and 1000
in the context of money.
![Page 10: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/10.jpg)
12000
How can I multiply this number by 10?
100? 1000?
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12000
What if I wanted to divide this number by
10? 100? 1000?
![Page 12: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/12.jpg)
4.5
How can I multiply this number by 10?
100? 1000?
![Page 13: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/13.jpg)
4.5
What if I wanted to divide this number by
10? 100? 1000?
![Page 14: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/14.jpg)
Now try these…
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Mental Maths
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27000
What if I wanted to divide this number by
10? 100? 1000?
![Page 17: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/17.jpg)
Jo’s shelf is 126cm long. She wants to
put 10 boxes on this shelf. How much
space will she have for each box?
![Page 18: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/18.jpg)
Henri has scored 5923 runs in cricket over 100 matches. How many runs has
he scored on average in each match?
![Page 19: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/19.jpg)
Learning Objective
Multiply using the grid method including
decimals.
![Page 20: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/20.jpg)
STARTING OFF
X 80 9100203
89 x 123 First
partition
each number like this.
![Page 21: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/21.jpg)
Where everything goes…
X 80 9
100
20
3
Now times where the arrows meet (where the dots are).
8000
1600
240
900
180
27
![Page 22: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/22.jpg)
Totalling
X 80 9100
8000 900
20 1600 180
3 240 27
=
10947
Now total up all the circled numbers.
=
=
267
8900
1780
+
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Learning Objective
Multiply using the grid method including
decimals.
![Page 25: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/25.jpg)
STARTING OFF
X 4 0.360.2
4.3 x 6.2 First
partition
each number like this.
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Where everything goes…
X 4 0.3
6
0.2
Now times where the arrows meet (where the dots are).
24
0.8
1.2
0.06
![Page 27: Answer these quick fire questions on your mini whiteboards.](https://reader035.fdocuments.in/reader035/viewer/2022062315/5697bfbe1a28abf838ca2bde/html5/thumbnails/27.jpg)
Totalling
=
Now total up all the circled numbers.
=
=
25.8 0.86
+
X 4 0.3
6
0.2
24
0.8
1.8
0.06