To show nothing or no object we write 0. We read 0 as zero.
In cage 1 we observe that the cage has 2 birds in it.
In cage 2 we observe that 1 bird flies away and the cage has 1 bird in it.
In cage 3 the second bird also flies away. Now the cage has no bird in it.
Therefore, there is no bird in the cage we write 0.
Let us review the number zero.
3 boys are playing.
One of them runs away.
How many are left?
3  1 = 2
One more runs away.
How many are left now?
2  1 = 1
This boy also runs away.
How many are left now?
1  1 = None
None is written as zero
'0' is read as zero.
1  1 = 0
Let’s practice questions on zero (0).
1. There are four balloons in hand. All the four balloons fly away. How many balloons remain in hand?
4 – 4 = ……………. .
2. There are three rats in a trap. All the three rats run away. How many rats remain in the trap?
3 – 3 = ……………. .
3. There are five birds in the cage. All the five birds fly away. How many birds remain in the cage?
5 – 5 = ……………. .
4. 6  6 = _____
5. 9  9 = _____
6. 1  1 = _____
7. 8  8 = _____
8. 2  2 = _____
Now we will discuss about math Addition and Subtraction Property of Zero.
Addition Property of ‘Zero’
When we add zero to a number, the number remains the same.
Do orally and play math games on addition
● 0 + 2 = 2
● 4 + 0 = _____ ● 2 + 0 = _____
● 5 + 0 = _____ ● 0 + 4 = _____
● 0 + 6 = _____ ● 0 + 5 = _____
● 9 + 0 = _____ ● 6 + 0 = _____
● 0 + 1 = _____ ● 0 + 9 = _____
● 3 + 0 = _____ ● 1 + 0 = _____
● 0 + 8 = _____ ● 0 + 3 = _____
Subtraction Property of ‘Zero’
There are 2 mangoes in a plate.
Mary does not take any mango.
How many mangoes will be left in the plate?
2  0 = 2 (two)
When we subtract zero from a number, the number still remains the same.
Do orally and play math games on subtraction
● 3  0 = _____
● 6  0 = _____
● 4  0 = _____
● 8  0 = _____
● 7  0 = _____
● 9  0 = _____
● 1  0 = _____
● 5  0 = _____
Math Only Math is based on the premise that children do not make a distinction between play and work and learn best when learning becomes play and play becomes learning.
However, suggestions for further improvement, from all quarters would be greatly appreciated.
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● Numbers and Counting up to 20
● Counting Eleven to Twenty with Numbers and Words
● Counting Numbers from Twenty One to Thirty
● Counting Numbers from Thirty One to Forty
● Time
● Addition
● Sequence
● Worksheet on Ordinal Numbers
● Counting Numbers Practice Test
●Worksheets on Counting Numbers
● Worksheet on Counting Numbers 6 to 10
● Worksheet on Kindergarten Addition
● Kindergarten Addition up to 5
● Worksheets on Kindergarten Addition up to 5
● Before and After Counting Worksheet up to 10
● Worksheets on Counting Before and After
● Before, After and Between Numbers Worksheet up to 10
● Worksheet on Before, After and Between Numbers
● Counting Before, After and Between Numbers up to 10
● Worksheet on Joining Numbers
● Worksheet on Before, After and Between Numbers up to 20
● Worksheet on Before, After and Between Numbers up to 50
Kindergarten Math Activities
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