We add to place issues collectively.

After we rely one ahead from a quantity we get another than that quantity. Yet another than quantity 3 is quantity 4. Counting ahead means addition. The reply we get after including numbers known as the sum.

 Have a look at the image. What number of youngsters are standing close to the board? Oh! Sure 3 youngsters are standing close to the board.
 What number of extra youngsters have joined the earlier group? _____
 Counting collectively, what quantity do you get? _____

Thus, we are able to say 3 and a pair of collectively make 5.

We write 3 + 2 = 5.

We learn it as ‘Three plus Two is the same as 5’.

+ stands for plus and = stands for equal to.

Plus means counting collectively.

1. Discover another than the given quantity.

Yet another than 4 is _____

Yet another than 5 is _____

Yet another than 6 is _____

Yet another than 7 is _____

2. Rely and write. What number of in all? One has been performed for you.

3           and           2           Extra Make           5

_____       and       _____       Extra Make           _____

_____       and       _____       Extra Make           _____

3. Add and write the quantity within the blanks. One has been performed for you.

 and extra make We are saying 5 and 3 extra is the same as 8

We use + signal to say plus. We use = signal instead of equal to

After we rely the objects in two collections collectively, we are saying we’re including them.

We use the signal + to indicate that we’re including.

+ is the signal for including. We name it plus.

You realize that = means is equal to.

We see that 3 and a pair of are 5.

We are saying 3 plus 2 is equal to 5.

We write 3 + 2 = 5

4. Full these. Use + and =.

(i)

(ii)

How a lot is 4 and 1?

5. Full the next.

 + ___ + ___ = ___
 + ___ + ___ = ___
 + ___ + ___ = ___

6. Draw and full the addition.

7. Rely, write and discover the reply. One has been performed for you.

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

8. Add and write within the blanks.

I. Two numbers might be added in any order.

5 + 2 is similar as 2 + 5

(i) _____ + 4 = 7 + 2

(ii) 1 + 6 = 6 + _____

(iii) _____ + 4 = 2 + 4

(iv) 2 + 3 = 3 + _____

(v) _____ + 1 = 1 + 6

(vi) 5 + 4 = 4 + _____

(vii) _____ + 2 = 2 + 5

(viii) 3 + 6 = 6 + _____

II. Including Three Numbers:

So as to add three numbers we first discover the sum of two numbers and add to the third quantity.

Discover the sum.

(i)

(ii)

(iii)

(iv)

III. Including Zero

(a) David has 7 balloons, John doesn’t have balloon. What number of balloons each have?

(b) Marie has 5 pencils, she doesn’t purchase any extra pencil from the store.

What number of pencils does she have?

When 0 is added to a quantity, the quantity stays the identical.

10. Add and write reply within the field. One has been performed for you.

 8 + 0 = _____ 3 + 0 = _____
 7 + 0 = _____ 1 + 0 = _____
 0 + 9 = _____ 0 + 2 = _____
 0 + 6 = _____ 0 + 3 = _____
 0 + 0 = _____ 6 + 0 = _____

11. Phrase Issues on Image Addition. One has been performed for you.

 (i) Joe had 4 doughnuts. His father gave him 3 extra doughnuts. What number of doughnuts Joe has in all? 4    +  3   =   7
 (ii) Pat went to the backyard. She noticed 2 flowers. She noticed 3 extra flowers in a row. What number of flowers she noticed in all? …    +  …   =   …
 (iii) David has 5 toys and Mike has 4 toys. What number of toys have they got altogether? …    +  …   =   …
 (iv) Aaron has 3 pencils. He will get 2 from his brother. What number of pencils does he have now? …    +  …   =   …
 (v) Shelly has 2 keys. She finds 5 extra. What number of keys does she have now? …    +  …   =   …

11. (ii) 5

(iii) 9

(iv) 5

(v) 7

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• Counting Numbers from 51 to 99 | Quantity Names | Write Numbers

Let’s study counting numbers from fifty-one to ninety-nine in numerals and phrases. Counting from fifty one to ninety-nine with numbers or numerals: 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 73, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81

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