7
Groups of objects
Textbook Part 1, pp. 16–17
GoalGroup objects by a common feature, give a group a general name, and compare groups with “=” and “≠”.
New words
group · guruhgeneral name · umumiy nomequal · tengnot equal · teng emas
Explanation
Apple, pear, grapes — these are the group “fruit”. Carrot, onion, potato — “vegetables”. If two groups have the same number of things, the groups are equal: “=”. If not, they are not equal: “≠”.
Worked examples
🍎🍎🍎 = 🍐🍐🍐 (3 and 3)
⚽⚽ ≠ 🏀🏀🏀 (2 and 3)
Class activity
Choose ingredients for plov: from a set of pictures find rice, carrots, meat, onion and oil and put them in the “plov group”.
Practice
1
Dog, cat, cow, horse — give this group a name.
Domestic animals
2
Which one does not belong: apple, banana, carrot, pear?
Carrot (it is a vegetable)
3
Put “=” or “≠”: 🌸🌸🌸🌸 ... 🌼🌼🌼🌼
=
4
Put “=” or “≠”: 🐟🐟 ... 🐠🐠🐠
≠