Unit 2
Numbers
Recall
Observe the picture and
answer the following.
Total
number of fruits in the trees = 9
Total
number of birds in the picture = 5
If
every bird eats 1 fruit, How many fruits will remain in the trees? 8
Teacher's Note: Teacher can ask a few more possible questions following the above example on subtraction concept and elicit the answers from the students.
Subtract
7 −3 = 4
2 −1= 1
5 −4= 1
9 −2= 7
8 −4= 4
3 −1= 2
6 −5= 1
Know more
Subtracting 1 from any number gives
its preceding number.
9 – 1 = 8
5 – 1 = 4
8 – 1 = 7
4 – 1 = 3
Subtracting the preceding number
from any number gives 1.
7 – 6 = 1
3 – 2 = 1
6 – 5 = 1
9 – 8 = 1
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