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Altogether: joining groups
Joyful Mathematics: Chapter 5
GoalJoin two groups and count how many there are altogether.
New words
altogether · all the things counted togethergroup · some things that are togetheradd · join groups to find how many
Explanation
Here are 3 mangoes in one bowl. Here are 2 mangoes in another bowl. Put them together. Count them all: 1, 2, 3, 4, 5. 3 and 2 altogether make 5. Joining groups is called adding.
Worked examples
4 ducks are on the grass and 3 ducks are in the pond. 4 and 3 altogether make 7 ducks.
At Makar Sankranti, 2 kites are on the roof and 5 kites are in the sky. 2 and 5 altogether make 7 kites.
Put 4 spoons on one side of a mat and 4 spoons on the other side. Count them all: 8.
Class activity
Pile and join. Make two small piles of stones, leaves or buttons. Say how many are in each pile. Push the piles together and count them all. Say: "__ and __ altogether make __." Make five different pairs of piles.
Practice
1
How many shells altogether?
7.
2
Kabir has 6 coins in one hand and 2 coins in the other hand. How many coins altogether?
8.
3
How many carrots altogether?
6.
4
Priya has 3 books. Harpreet has 4 books. How many books altogether?
7.
5
2 and 7 altogether make how many?
9.