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Tuesday, June 6, 2023

We all know multiplication is repeated addition. Allow us to have a fast recall of what we now have learnt about
multiplication.

There are 5 teams of two balloons. We will say 5 instances 2.

We will skip depend to get the overall when there are equal teams of objects.

Skip depend 5 instances 2,
we’ll get 10.

2 + 2 + 2 + 2 + 2 = 10

We write 5 instances 2 =
10

means Multiplication. We use ‘×’ image to point out multiplication. The results of
two or extra numbers when multiplied known as the product.

5 × 2 = 10

Allow us to take one other
instance. There are 2 teams with 4 leaves in every. We will say 2 teams of 4 or
2 instances 4. We will skip depend 2 instances 4 to get the overall.

4 + 4 = 8

We write, 2 × 4 = 8

I. Andrea made sandwiches for 12 folks. Once they shared it equally, every of them received ½ a sandwich. What number of sandwiches did Andrea make?

We all know every folks will get ½ a sandwich.

Multiplication:

½ × 12

= (frac{12}{2})

= 6

Subsequently, Andrea made 6 sandwiches and shared with 12 folks every of them received ½ a sandwich.

II. Doreen then poured out just a few bottles of contemporary orange juice equally among the many 8 folks. Every of them received (frac{3}{4}) of a glass. What number of bottles of contemporary orange juice did Andrea use?

Multiplication:

¾× 8

= (frac{24}{4})

= 6

Doreen used 6 bottles of contemporary orange juice.

So, would you prefer to nonetheless proceed including or would you somewhat multiply.

III.

Within the above instance 4 is repeated 5 instances. Including the identical

Since from the above examples, we are able to perceive clearly that multiplication is quicker than repeated addition.

Multiplication is Including Equal Teams.

1. If Sara has 3 cats how can she depend shortly the numbers of
legs 3 cats have in all?

3 teams of 4 legs; 3 instances 4 = 12

2. If a trainer has 5 books and there are 3 academics, what number of
books have they got in all?

3 instances 5 = 15 ; 3 × 5 = 15

The signal ‘×’ is used to point out multiplication. The results of
multiplication known as product.

Questions and Solutions on Multiplication is Repeated Addition:

1. Depend the objects in every group and fill within the packing containers. One has been finished for you.

 (i) 4 teams of three = 4 × 3 (ii) __ teams of __ = __ × __ (iii) __ teams of __ = __ × __ (iv) __ teams of __ = __ × __ (v) __ teams of __ = __ × __

1. (ii) 4 × 1

(iii) 4 × 2

(iv) 3 × 4

(v) 2 × 5

and multiplication information. One has been finished for you.

(i) 3 instances 4 = 4 + 4 + 4 = 3 × 4

(ii) 5 instances 2 = ___________ = __________

(iii) 7 instances 3 = ___________ = __________

(iv) 4 instances 1 = ___________ = __________

(v) 2 instances 5 = ___________ = __________

(vi) 3 instances 3 = ___________ = __________

(vii) 6 instances 4 = ___________ = __________

2. (ii) 2 + 2 + 2 + 2 + 2 = 5 × 2

(iii) 3 + 3 + 3 + 3 + 3 + 3 + 3 = 7 × 3

(iv) 1 + 1 + 1 + 1 = 4 × 1

(v) 5 + 5 = 2 × 5

(vi) 3 + 3 + 3 = 3 × 3

(vii) 4 + 4 + 4 + 4 + 4 + 4 = 6 × 4

3. Write the
multiplication information. One has been finished for you.

(i) 5 + 5 + 5 + 5 = 4 × 5

(ii) 3 + 3 = _____ × _____

(iii) 5 + 5 + 5 + 5 +
5 + 5 = _____ × _____

(iv) 4 + 4 + 4 + 4 + 4
= _____ × _____

(v) 2 + 2 + 2 + 2 + 2
+ 2 = _____ × _____

(vi) 1 + 1 + 1 = _____ × _____

(vii) 3 + 3 + 3 + 3 +
3 + 3 + 3 + 3 = _____ × _____

3. (ii) 2 × 3

(iii) 6 × 5

(iv) 5 × 4

(v) 6 × 2

(vi) 4 × 1

(vii) 8 × 3

4. Fill in to point out that multiplication is repeated addition-

(i) 5 + 5 + 5 + 5 + 5 + 5   = __________

6 × 5                           = __________

(ii) 9 + 9    = __________

2 x 9    = __________

(iii) 10 + 10 + 10 = __________

3 × 10 = __________

(iv) 2 + 2 + 2 + 2 + 2 = __________

5 × 2                   = __________

(v) 4 + 4 + 4 + 4 = __________

4 x 4 = __________

(vi) 6 + 6 + 6 + 6 + 6 = __________

5 × 6                   = __________

(vii) 3 + 3 + 3 + 3 + 3 + 3 = __________

6 × 3                         = __________

(viii) 7 + 7 + 7  = __________

3 × 7        = __________

 (i) 2 + 2 + 2 + 2 = _____           4 twos are _____ (ii) 4 + 4 + 4 + 4 = _____           4 fours are _____ (iii) 3 + 3 + 3 = _____           3 threes are _____ (iv) 5 + 5           2 fives are _____

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