Description
Doubles plus one can be memorized, but it's best if students truly understand the concept of using the doubles strategy to add one more. Use these slides to teach how to think through using doubles to add one. These digital slides are great for standard assessment or exit ticket as well.
Directions and answer key are located at the end of each slide.
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Highlights
Digital downloads
Grades
1st - 3rd
Subjects
Standards
CCSS1.OA.C.6
CCSS1.OA.D.8
Tags
Pages
5
Answer Key
Included
Description
Doubles plus one can be memorized, but it's best if students truly understand the concept of using the doubles strategy to add one more. Use these slides to teach how to think through using doubles to add one. These digital slides are great for standard assessment or exit ticket as well.
Directions and answer key are located at the end of each slide.
Report this resource to TPT
Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT's content guidelines.
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Questions & Answers
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Standards
to see state-specific standards (only available in the US).
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.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 = ▯ - 3, 6 + 6 = ▯.
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