Post on 18-Jan-2016
Powerpoint in the Primary Maths Classroom
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Number MagicThink of a number between 1 and 10.
Add 7 to it.
Multiply the answer by 2.
Subtract 4 from the result.
Divide the answer by 2.
Take away the number you first thought of.
If A =1, B = 2 etc. Convert your answer into a letter.
Think of an animal whose name starts with this letter.
67 + 25
67 + 25
Proportional change
x 2x 2 1 cake costs 6p2 cakes cost 12
p
Expanded form for addition
296 + 357
296
357
200 + 90 + 6
300 + 50 + 7
500 + 140 + 13653
Forbidden Words
Countdown
http://www.csfsoftware.co.uk/MILL_info.htm
Starter in Years 7 & 8
Module 10 :
Oral & Mental Starters
Pogo’s 9 - 3
96
- 1 - 1 - 1
87
10 7
8 80 56
136
17 x 8
Grid method for 34 x 27
30 4
20
7
600 80
210 28
=
918
680
238+
“What else do I know?”
1 cake costs 4p
2 cakes costs 8p
3 cakes costs 12p
20 cakes
costs 80p
4 cakes costs 16p
15 cakes costs 60p
10 cakes
costs 40p
5 cakes costs 20p
30 cakes costs 120p
6 cakes costs 24p
Tables
Maths Pack 1
Adding near multiples of 1046 + 31
46 76 77
+ 30
+ 1
OR 46
30
+ 1
Adding near multiples of 1046 + 31
46 76 77
+ 30
+ 1
OR 76
30
+ 1
Adding near multiples of 1046 + 31
46 76 77
+ 30
+ 1
OR 77
30
+ 1
102 - 97
10297
= 5
…instead of the potential pitfalls of … 102
- 97
91
100
3 2+
1002 - 197
x + y = 10
Could be …
2 and 8
0 1 2 3 4 5 6 7 8 9 10
10
9
8
7
6
5
4
3
2
1
0
1st Number x
2nd Number y
x + y = 10
Could be …
6 and 4
0 1 2 3 4 5 6 7 8 9 10
10
9
8
7
6
5
4
3
2
1
0
1st Number x
2nd Number y
x + y = 10
Could be …
9 and 1
0 1 2 3 4 5 6 7 8 9 10
10
9
8
7
6
5
4
3
2
1
0
1st Number x
2nd Number y
x + y = 10
Could be …
… etc
0 1 2 3 4 5 6 7 8 9 10
10
9
8
7
6
5
4
3
2
1
0
1st Number x
2nd Number y
3 ½ and6 ½
7.4 and2.6