Using Fact Families to Help Subtract
Presentation
•
Mathematics
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1st - 2nd Grade
•
Medium
Standards-aligned
Deronda Calhoun
Used 13+ times
FREE Resource
8 Slides • 4 Questions
1
Using Fact Families to Help Subtract
I can use fact families to help me solve subtraction word problems
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Read and try to solve the word problem
There are 15 birds swimming in a pond. Then 9 birds fly away. How many birds are left?
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Lets Read the problem again; think to yourself.
What is my number sentence?
There are 15 birds swimming in a pond. Then 9 birds fly away. How many birds are left?
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Let create a number sentence in your notebook.
There are 15 birds swimming in a pond. Then 9 birds fly away.
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Now Lets make a fact family
We know that we have 15 total birds and 9 flu away. We need to find out How many birds are left by using a fact family.
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Fact Family Questions. Think about it!
*How to do think a fact family is like a real family?
* What do you see in this fact family?
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Multiple Select
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Multiple Choice
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Multiple Choice
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Explore another way to understand solving subtraction problem in your head
There are 15 birds swimming in a pond. Then 9 birds fly away. How many birds are left?
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Model It
Use a facts family to help solve the problem.
Find the difference 15-9
Use the numbond to write a fact family.
12
Multiple Select
Using Fact Families to Help Subtract
I can use fact families to help me solve subtraction word problems
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