After School 3 digit subtraction

Addition and Subtraction with Regrouping

By Abeer AbouTraby

when the sum of the ones digit is greater than 9 for example 12 we should put the tens digit which is 1 in the balloon in the tens place.

​ look at the video above

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​​Addition

​when subtracting to digit numbers,(example 92-27). the ones digit of the first number (2) less than that of the second number (7). So the ones digit (2) will ask her friend the tens digit (9) to give her a ten. the 9 will be 8 and the 2 will be 12

​ look at the video above ​

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​​Subtraction

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​ PROVERBS 3:6

​Last week we reviewed how to do 3-digit addition with regrouping.

This week we will learn 3-digit subtraction with regrouping.

Let's start by looking at the example below.​

Fill in the Blanks

Yesterday Leland brought in 330 Taki's to share with the class. He passed out 271 of them, how many did he have left? $330-271=$  

Thursday Math

I can subtract three digit numbers with regrouping.

Multiple Choice

What is the value of the number 3 in the number 356?

• 3

• 30

• 300

• 3,000

Fill in the Blanks

Let's review 2-digit regrouping.

65 - 24 =

Open Ended

What is 100 more than 491?

Fill in the Blanks

82 - 37=

Open Ended

What is 100 more than 342?

Fill in the Blanks

$72\ -\ 35$  

Open Ended

What is 100 more than 847?

Multiple Choice

In what place should I start subtracting?

• hundreds

• tens

• ones

Ungrouping with a 0

• Do I need to ungroup a ten to get more ones?

• Do I need to ungroup a hundred to get more tens?

Multiple Choice

What question should you always ask when subtracting?

• Should I really do this?

• Can I subtract that?

• Does my Mom really love me?

• Will it rain today?

Regrouping with a 0

• Do you need to regroup to get more ones?

• Is there a ten to regroup?

• What needs to be regrouped in this problem?

Regrouping with a 0

• Do you need to regroup a ten to get more ones?

• Do you need to regroup a hundred to get more tens?

• 
  

Fill in the Blanks

$361\ -\ 247$  

Regrouping with a 0

• Do you need to regroup to get more ones?

• Are there any tens to regroup?

• What needs to be regrouped?

Fill in the Blanks

$716\ -\ 243=$  

Multiple Choice

Do you need to regroup to get more ones?

• yes

• no

Fill in the Blanks

Yesterday Leland brought in 330 Taki's to share with the class. He passed out 271 of them, how many did he have left? $330-271=$  

Multiple Choice

Do you need to regroup a ten to get more ones?

• yes

• no

Fill in the Blanks

Griffin played Prodigy at Choice Time, he was told he could play for 240 minutes. At 216 minutes he was given a reminder, how many minutes does he have left to play?

Fill in the Blanks

Solve this subtraction equation.

Fill in the Blanks

Solve this subtraction equation.

Fill in the Blanks

Solve this subtraction equation.

Poll

How do you feel about 3 digit subtraction with zeros?

• I can do this! 😃

• I'm feeling pretty good, but still figuring it out. 🙂

• I'm still learning, but starting to understand. 🤔

• I still need help with this. 😣