How many of Mrs Hinsley's maths group can remind me of a quick way to add 9 and take away 9 from a number? I will be interested to see how many of you can comment explaining how to do it and maybe show some examples.
I can feel housepoints in the air for those who comment!!!!!!!
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11 comments:
i miss hinsley how r u from leah bennett in 4s
I know how to add 9
Exaple:
47+9=56
47+10=57
57-1=56
I think the answer will be 56
Love from Ola Kalika
i know how to add and take away 9 you can add 10then -1 then get your anwser or -10 then add one to get your anwser
to miss hinsley i know how to - and+ 9 all you do is eg:45+10-1=64
45-10+1=34
Hi Miss Speers and Mrs Hinsley now i've been listining to the 7x tables rock song i know my 7x tables
1x7=7
2x7=14
3x7=21
4x7=28
5x7=35
6x7=42
7x7=49
8x7=56
9x7=63
10x7=70
love Soren xx
Aunty Bridget i know how to add 9.
23+9
23+10=33
33-1=32
now i want some housepoints.
xxxx
Kathryn your favourite niece
I can - and + 9 to 2 digit numbers.And i know my 7x tables.
To Mrs Hinsly and Mrs spears i love this game.
49+9=49
40+10=50
50-1=49
68+56=69
60+10=70
70-1=69
from Shona
To hinsly i know my 3 times tabels
3
6
9
12
15
18
21
24
27
30
To Mrs Hinsly i love this game. Its reely fun for learning.
64+9=73
64+10=74
74-1=73
79+9=88
79+10=89
89-1=88
86+9=95
89+10=96
96-1=95
from Shona
i like year 4 blog
I know how to add 9
Exaple:
47+9=56
47+10=57
57-1=56
I think the answer will be 56
from Melinda Kielty
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