Wednesday 24 February 2016

useing more that one stratigy







1 tidy numbers
 28 +34 =
28 + 2 = 30
32 + 30 = 62
place value
20 + 30 = 50
8 + 2 = 10
50 + 10 = 60
60 + 2 = 62
2
place value
37 + 44 =
30 + 40 = 70
4 + 7 = 11
70 + 11 = 81
tidy numbers
37 + 44 =
37 + 3 = 40
41 + 40 = 81
3
place value
85 - 39 =
30 - 80 = 50
55 - 9 = 46
tidy numbers
85 - 38 =
85 - 5 = 80
30 - 80 = 50
8 - 50 = 42


2 comments:

  1. Well done Benioni, keep up the good work in Maths. Remember son, if you understand the basics everything else will come easily. Mum

    ReplyDelete
  2. Also, Benioni you need to watch your spelling and punctuations' carefully. Mum

    ReplyDelete