Curious Cat is ready to help your kiddos learn how to estimate solutions to addition and subtraction problems to the nearest 10. Start out with a slide show, move on to the task cards, and finish up with 2 worksheets for practice or assessment.
I have included a student answer sheet and answer key for the task cards. There are also answer keys for the worksheets.
BONUS: You can get double duty out of the task cards because I have included a student answer sheet and answer key for finding the exact solution to the problems. The worksheets for estimation have been included to find the exact answer.
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You might also be interested in this packet:
Estimating Solutions to the Nearest 100