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Tuesday, July 9, 2013

Maths

I am learning to solve Addition and subtraction by using it at level 2.

ADDITION AND SUBTRACTION - LEVEL 2 

1.
There are 21 people at a beach, and 13 more people arrive.
Show how to work out how many people are at the beach altogether

21 + 13 = ?  
20 + 10 = 30
1 + 3 = 4

21 + 13 = 34
(Place Value)




2
Two classes go on camp together. One class has 47 students and the other has 38.
Show how to work out how many students go on camp

47 + 38 = ?
40 + 30 = 70
8 + 7 = 15

70 + 15 makes 85
47 + 38 = 85  

(Place Value)




3.   A farmer has 63 cows.  He buys 39 more cows.
Show how to work out how many cows he has altogether.

63 + 39 = ?
60 + 30 = 90
9 + 3 = 12
90 + 12 makes 102
So 63 + 39 = 102
(Place Value)








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