Addition and Subtraction Worksheets Within 20 | 1st Grade Math Facts
Primary Made Perfect
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Grade Levels
1st
Subjects
Resource Type
Standards
CCSS1.OA.B.3
CCSS1.OA.B.4
CCSS1.OA.C.5
CCSS1.OA.C.6
CCSS1.OA.D.7
Formats Included
- PDF
Pages
18 pages
Primary Made Perfect
1.3k Followers
What educators are saying
This was a great practice for my students. Love the circle the symbol before working on it. Thank you!
My students used this as a supplement to the math program we have. This helped strengthen their practice and understanding.
Also included in
This bundle includes resources that combine addition and subtraction for students to practice fact fluency and problem solving. This bundle includes story problems, computation worksheets, and problem solving task cards at a discounted price! Check out the full descriptions for each product using thPrice $7.50Original Price $9.50Save $2.00
This bundle is great for your students to practice fact fluency. Each resource gives students great conceptual practice with addition strategies. You can get a in depth look into each resource by clicking the links below.This bundle will have several updates in the future including: +1/-1, +2/-2, +0Price $14.40Original Price $18.00Save $3.60
Description
This pack includes 18 pages of addition and subtraction computation practice. Each page also has a BONUS problem at the bottom to add higher level of thinking to math facts practice. These pages can be used whole class, for independent work, homework, or any other way that fits your classroom needs.
This Pack includes:
-6 Addition Pages ( +1, +2, +10 facts, Doubles, Doubles +1, and mixed practice)
-6 Subtraction Pages (-1, -2, -10 facts, Doubles, Doubles -1, and mixed practice)
-6 Addition and Subtraction Mixed Review
If you are looking for Story Problem resources check out my Math Story Problems Bundle!
Total Pages
18 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.5
Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
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.
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