Mind Maps

Class I - Maths: Addition of numbers 1 to 9

In The Kitchen

Count And Write How Many Are There

• When things are put together, they are added.
• The "+"sign shows addition and "=" sign says 'the same as' or 'equal to'.

Count And Write How Many Are There

 Count, Say, And Write The Numbers In The Empty Boxes

• When we add 1 to a number, we get the number just after it.

• When we add zero to a number, we get the same number.

### Addition On The Number Line

• Number line can be used to add the numbers.
• If there are 3 chocolates and you got 1 more chocolate, the total number of chocolates can be counted using the number line.

So,

+ =

+ =

• The left rod represents the tens and the right rod represents the ones.

• Add 4 and 5 using the number strip
• Keep your finger on 4 on the number strip, and then move it forward by 5 spaces. You will reach 9.
so, 4+5=9.

#### Use The Number Strip To Add And Write The Numbers In The Boxes.

• When the numbers are added with the change in their order, the answer remains the same.

#### Use The Number Strips To Add

• We can see that the answer is same when the numbers are added vertically or horizontally.

• While adding three numbers, we can add them in any order.

### Number Combinations

• Different combinations of two numbers which add up to the same number.
• So, we can say that the number of combinations is 'one' more than the given number.

#### Word Problems

Add And Write The Numbers In The Boxes.

• There are 5 tomatoes on the table and 2 tomatoes on a plate. How many tomatoes are there in all?
• Majid has 2 Ice creams, Raj has 1 Ice cream and Sonu has 2 Ice creams. How many ice creams do they have in total?
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