# True or False Equations (Addition) 1-20        Subject
Resource Type
File Type

PDF

(23 MB|43 pages)
Standards
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• StandardsNEW
Are you looking for a purposeful warm up or number sense activity?! LOOK NO FURTHER! This download is perfect for partner work, independent handouts, or centers. It's also a learning tool! Have students bring their page to a group or carpet time and have conversations about HOW they KNEW the answer was correct or incorrect.

Students are asked to look over the equations and determine if the answer is correct or incorrect. They are asked to color the equation red if it is false or blue if it is true. The download comes with a page for addition 1-20 and the answers. 40 pages total.

Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
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).
Total Pages
43 pages
Included
Teaching Duration
N/A
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