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3rd Grade Within 20 Multi-Digit Addition Educational Resources

In this lesson, kids are given different strategies for finding the sum of two numbers. Addition strategies such as these help third graders gain a deeper understanding of, and fluency with, this operation. The lesson features guided instruction and plenty of practice problems to apply what is being learned. For even more practice, try our third grade addition worksheets recommended to accompany this lesson.

Addition 4

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

Halloween Party Game

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