Use a variety of representations and strategies add within 1,000. Warm up with a Mystery Math Mistake as you add two 3-digit numbers using a partial sums strategy. Use a variety of representations and ...
Use strategies in the Math Mights Showdown bingo game to practice adding within 1,000. Warm up with a Mystery Math Mistake as you add two 3-digit numbers using a partial sums strategy. Use strategies ...
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