Math - Week 10 - REPEATED ADDITION

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Mathematics, World Languages

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2nd Grade

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Practice Problem

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Medium

Đặng Sơn

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7 Slides • 14 Questions

REPEATED ADDITION

(TỔNG CÁC SỐ HẠNG BẰNG NHAU)

PHÉP CỘNG LẶP LẠI

Teacher: Ms. Kim Son

What is

Repeated Addition?

Repeated addition is adding equal groups together. It is also known as multiplication. If the same number is repeatead then, we can write that in the form of multiplication.

Phép cộng lặp lại là cộng các nhóm bằng nhau lại với nhau. Nó còn được gọi là phép nhân. Nếu cùng một số được lặp lại thì chúng ta có thể viết số đó dưới dạng phép nhân.

Example:

What is the repeated addition expression for these COLUMNS?

3 + 3 + 3 + 3 = 12

Example:

What is the repeated addition expression for these ROWS?

4 + 4 + 4 = 12

Repeated Addition: /rɪˈpiː.tɪd əˈdɪʃ.ən/:

Phép cộng lặp lại (Tổng các số hạng bằng nhau).

Multiplication: /mʌl.tɪ.plɪˈkeɪ.ʃən/:

Phép nhân.

Equal groups: /ˈiː.kwəl ɡruːps/

Các nhóm bằng nhau

Column: /ˈkɒl.əm/ : Cột dọc.

Row: /rəʊ/ : Hàng ngang.

Vocabulary

Multiple Select

What is the repeated addition expression?

2 + 2 + 2 = 6

3 + 3 = 6

4 + 2 = 6

5 + 1 = 6

Multiple Select

What is the repeated addition expression?

4 + 4 = 8

5 + 3 = 8

2 + 2 + 2 + 2 = 8

3 + 3 + 2 = 8

Open Ended

What is the repeated addition expression?

Type response here

Multiple Choice

What is the repeated addition expression?

How many ways?

Multiple Select

What is the repeated addition expression?

2 + 2 + 2 + 2 + 2 + 2 = 12

3 + 3 + 3 + 3 = 12

4 + 4 + 4 = 12

5 + 5 + 2 = 12

6 + 6 = 12

Multiple Choice

How many groups are there?

Multiple Choice

Look at the picture.

What is the repeated addition expression?

3 + 3 + 3 + 3 =12

4 + 4 + 4 = 12

Multiple Choice

5 groups of 6 is the same as what repeated addition expression?

6 + 6 + 6 + 6 + 6

5 + 5 + 5 + 5 + 5 + 5

5 + 6

Multiple Choice

There are 3 groups of postcards. Each group has 2 postcards. What is the total number of postcards？

1 + 1 + 1 = 3

3 + 3 + 3 = 9

2 + 2 + 2 = 6

3 + 2 = 5

Multiple Choice

There are 4 groups of bananas. Each group has 5 bananas. How many bananas are there altogether?

3 + 3 + 3 + 3 = 12

2 + 2 + 2 + 2 = 8

5 + 5 + 5 + 5 = 20

1 + 1 + 1 + 1 = 4

Multiple Choice

There are 4 groups of chocolates. Each group has 3 chocolates. How many chocolates are there altogether?

1 + 1 + 1 + 1 = 4

2 + 2 + 2 + 2 = 8

5 + 5 + 5 + 5 = 20

3 + 3 + 3 + 3 = 12

Multiple Choice

There are 3 groups of balloons. Each group has 4 balloons. How many balloons are there altogether?

3 + 3 + 3 = 9

4 + 4 + 4 = 12

2 + 2 + 2 = 6

1 + 1 + 1 = 3

Multiple Choice

There are 3 groups of erasers. Each group has 2 erasers. How many erasers are there altogether?

2 + 2 + 2 = 6

3 + 3 + 3 = 9

4 + 4 + 4 = 12

1 + 1 + 1 = 3

Multiple Choice

There are 3 groups of pencils. Each group has 5 pencils. How many pencils are there altogether?

2 + 2 + 2 = 6

3 + 3 + 3 = 9

5 + 5 + 5 = 15

4 + 4 + 4 = 12

REPEATED ADDITION

(TỔNG CÁC SỐ HẠNG BẰNG NHAU)

PHÉP CỘNG LẶP LẠI

Teacher: Ms. Kim Son

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Math - Week 10 - REPEATED ADDITION

​REPEATED ADDITION

(TỔNG CÁC SỐ HẠNG BẰNG NHAU)

​Teacher: Ms. Kim Son

​What is

Repeated Addition?

​ Repeated addition is adding equal groups together. It is also known as multiplication. If the same number is repeatead then, we can write that in the form of multiplication.

​Example:

What is the repeated addition expression for these COLUMNS?

​Example:

What is the repeated addition expression for these ROWS?

Multiplication: /mʌl.tɪ.plɪˈkeɪ.ʃən/:

Phép nhân.

​Vocabulary

​REPEATED ADDITION

(TỔNG CÁC SỐ HẠNG BẰNG NHAU)

​Teacher: Ms. Kim Son

Similar Resources on Wayground

Popular Resources on Wayground

REPEATED ADDITION

Teacher: Ms. Kim Son

What is

Repeated addition is adding equal groups together. It is also known as multiplication. If the same number is repeatead then, we can write that in the form of multiplication.

Example:

Example:

Vocabulary

REPEATED ADDITION

Teacher: Ms. Kim Son