‘Number Family’--finding two numbers that make a given number.

by Vishakha Deshpande
(Thane--Maharashtra--India)

Family of number 4

If we want to find the family of 4---
Teacher will have any small objects that have two sides for e.g: cold drink bottle tops, corks, pistachio shells, card board pieces with different colors on both sides, small toy bowls etc. children will sit in the circle. Teacher will write and circle number 4 on the writing board on the wall or in front of her. She will then count 4 counters and tell the children to count with her. Now she will tell that “we are going to find out the family of 4” she will place the set of counters in a horizontal line in front of the children and then flip turn one of it. Now she will ask, “how many are turned upside down?”Children will reply “one”. Now she will ask “how many are not turned upside down?”Children will reply “three”. So she will write (1, 3) near the circle of number 4. Now she will flip turn one more and ask “now how many are turned upside down?” Children will reply “two”.Now she will again ask “how many are not turned upside down?”Children will reply “two”. So now again she will write (2, 2) near the circle of number 4.Now she will again flip turn one more and ask “now how many are turned upside down?”. Children will reply “three”.Now she will again ask “how many are not turned upside down?”Children will reply “one”. And then she will tell them that the set of (1, 3) and (2, 2, (3,1)) is the family of number 4. Similarly she will do it for the other numbers.

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Feb 11, 2015
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simplicity is key
by: Alhad

Good group exercise.
No flipping and all flipped i.e.(0,4),(4,0) can be also introduced. But feel it can be used for no.s upto 25. Not more. But surely can be taken as a base building technique.
More suitable for students upto 2nd std.
Simple. Easy to understand. Keep up good work.

Feb 10, 2015
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Good one
by: Vaishnavi

Simple and practical arithmetic that children can apply and learn by relating to the numbers as referents to counting and not merely as abstracts. Bring in more....

Feb 10, 2015
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Wonderful activity
by: shubhra

Wonderful activity. I am sure this kind of stimulating activity will help children love numbers instead of dreading them. Keep up the good work

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