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4A1: Lesson 8-5
Lesson 8-5
29/4/2020
Hello!!!
Welcome!
First....
Let's talk about health and safety!
Health and Safety
Good job, Vietnam!
Title
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Important
Don't touch your face!
Remember
to ALWAYS
wash your
hands!
And remember!
Lesson 8-5
Intro
Dividing 2 digit by 1 digit
Today, we will be learning about how we can divide a 2 digit number by a 1 digit number. Before we begin, let's remember DMSB .
Steps to divide:
REMEMBER
Daddy (divide)
Mummy (multiply)
Sister (subtract)
Brother (bring it down)
REPEAT
Checking Answers
And remember!
Use multiplication to check your answers.
Let's try together!
1. Daddy DIVIDE (the tens)
67 : 6 = ?
1
R1
2. Mummy MULTIPLY
Let's see some examples
6
67
3. Sister SUBTRACT
-
6
7
0
4. Brother BRING IT DOWN
-
6
1
REPEAT
Let's try together!
1. Daddy DIVIDE (the tens)
87 : 5 = ?
1
R2
7
2. Mummy MULTIPLY
Examples
5
87
3. Sister SUBTRACT
-
5
3
7
4. Brother BRING IT DOWN
-
35
2
REPEAT
What if we can't divide the tens?
31 : 4 = ?
1. Daddy DIVIDE
7
R3
Examples
2. Mummy MULTIPLY
4
31
-
28
3. Sister SUBTRACT
3
Your turn
24 : 3 = ?
Your turn!
3
24
Your turn
87 : 9 = ?
One more!
9
87
Game!
Game!
https://www.splashlearn.com/division-games-for-4th-graders
Book time!
Bookwork
Everyone, please take out your student activity books. Open them to lesson 8-5, on page 174
Questions 1 + 2
Guided Practice
Questions 3+4
82 : 5
Questions 3 + 4
Question 29
Question 29
Questions 31 + 32
Questions
31 + 32
40 : 4 = 10. 40 is the lowest number we can divide by 4 that will create a 2-digit quotient, therefore any dividend greater than 40 will create a 2-digit quotient.
51 is greater than 40, therefore 51 : 4 will make a
2-digit quotient.
33
60 : 6 = 10. 60 is the lowest number we can divide by 6 that will create a 2-digit quotient, therefore any dividend less than 60 will create a 1-digit quotient.
51 is less than 60, therefore 51 : 6 will make a
1-digit quotient.
: )
Homework
Homework
Complete 8-5 in your student activity books
Complete the pages for 8-5 in your workbooks