Fact Families Addition and Subtraction to 20 Math Worksheets
Natalie Lynn Kindergarten
30.9k Followers
Grade Levels
1st - 2nd
Subjects
Resource Type
Standards
CCSS1.OA.B.3
CCSS1.OA.B.4
CCSS1.OA.C.6
CCSS1.OA.D.7
CCSS1.OA.D.8
Formats Included
- PDF
Pages
10 pages
Natalie Lynn Kindergarten
30.9k Followers
What educators are saying
My homeschool kiddos are loving your materials. These are a great way to add in some fun while we review.
I use these worksheets for morning work, extra practice, centers, early finishers, etc. These are great for morning work and review. Thank you for another fabulous product.
Description
Are you looking for a hands-on way to practice addition and subtraction fluency within 20? These fact families with addition and subtraction to 20 worksheets are no prep, but offer meaningful practice with addition and subtraction fluency.
These fact families to 20 worksheets help students practice addition and subtraction fluency. Students will solve the initial addition problem and then create a fact family to match.
What is included in this download?
- 10 fact family worksheets
Easily reuse! Just laminate or stick in a dry erase sleeve to make a reusable math center.
How can I use these addition worksheets with built-in counters?
- Independent practice worksheets
- Addition and subtraction to 20 math centers
- Early finisher activities
- Math intervention activities
Easy to use! These are no prep, print and go math worksheets. Just add any counters or manipulatives you'd like.
Total Pages
10 pages
Answer Key
N/A
Teaching Duration
N/A
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Standards
to see state-specific standards (only available in the US).
CCSS1.OA.B.3
Apply properties of operations as strategies to add and subtract. If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)
CCSS1.OA.B.4
Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.
CCSS1.OA.C.6
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).
CCSS1.OA.D.7
Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 - 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.
CCSS1.OA.D.8
Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = â–¯ - 3, 6 + 6 = â–¯.
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