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Count each kind
Joyful Mathematics: Chapter 13
GoalSort a picture into kinds, count each kind and write the numbers.
New words
kind · a type of thing, like mango or bananacount · say how manytable · rows and columns that show numbers
Explanation
Look at a picture with many things. Put the same kind of thing together. Count each kind. Write how many of each. Outside Ishaan’s school there are 4 autos, 2 buses and 3 bicycles. A table can show the same numbers.
Worked examples
A fruit cart has 5 mangoes, 3 bananas and 4 apples.
In a picture graph each picture is one thing. Kites 3, balloons 5.
At the fair there are 6 horses and 4 camels. 6 + 4 = 10 animals.
Class activity
Home count. Look in a drawer or kitchen shelf. Sort the things into kinds, such as spoons, cups and bowls. Count each kind. Write the numbers on a paper. Which kind do you have the most of?
Practice
1
How many ducks and how many peacocks are there?
3 ducks and 5 peacocks.
2
Count each kind. How many stars, hearts and flowers?
4 stars, 2 hearts and 6 flowers.
3
There are 2 cats and 5 dogs. How many animals altogether?
7
4
Which is easier to count, a messy pile or things sorted into kinds?
Things sorted into kinds.
5
Look at the table. How many bicycles are there?
| Vehicle | How many |
|---|---|
| car | 3 |
| bicycle | 6 |
| bus | 2 |
6.