Addition Facts Self Checking Flash Cards for Sums up to 20
- Grades
- Grades 1–2
- Pages
- 47
- File type
- Answer key
- Included
- Subject
- Math, Addition
- Topic
- Addition facts, Sums to 20
- Resource types
- Flashcards
- Answer key
- Included
- Standards
- 1.OA.C.6
Product description
From the author
Practice Addition Facts with Self-Checking Flash Cards
The Addition Facts Self Checking Flash Cards for Sums up to 20 provides students with independent practice solving addition problems. This hands-on math resource includes 165 flash cards covering all addition facts from sums of 11 to 20.
Students will look at the addition equation on each card, solve the problem mentally or with counters, then open the card to check if they were correct. These self-checking cards allow students to get immediate feedback.
Teachers can implement these cards in small groups, math stations, morning tubs, or as a game. To differentiate, counting objects can be provided for those needing more support. Directions explain how to print, cut out, assemble, and laminate the cards to create a durable and reusable math center activity.
The Addition Facts Self Checking Flash Cards reinforces addition skills and facts within 20. This resource provides engaging independent practice for kindergarten and first grade students.
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In the classroom
Teaching tips & learning objectives
Learning objectives
Solve addition facts with sums from 11 to 20 and independently verify the answer using the card's self-checking fold.
Practice mental addition strategies, or use counters as a support, before checking each solved problem.
Teaching tips
Assemble the cards following the fold instructions (fold the answer flap under and the problem flap over it so the addition problem shows) before first use, and reinforce with lamination for a durable, reusable set.
Use a paper clip or clothespin to hold each card closed if students tend to peek before solving.
Set the cards up as a math center, small-group station, or morning tub activity, and provide counting objects for students who need more support than mental math alone.
Skills covered
Addition fact fluency — 165 cards give repeated practice across every sum from 11 to 20.
Self-assessment — the fold-open answer format lets students check their own work immediately without a teacher or separate key.
Flexible strategy use — students can solve mentally or with counters, supporting different levels of readiness on the same set of facts.
Good to know
Questions teachers ask about this resource
What range of addition facts do these cards cover?
Every addition fact with a sum from 11 through 20 — for example, 0+11 through 0+20, then continuing with combinations like 1+10, 1+11, and so on.
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Curriculum
Standards, concepts & topics
Standards
Standards
- 1.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).
Core concepts
Core concepts
Addition facts to 20
Self-checking practice
Math fact fluency
Topics
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