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Will one be left out? Students will practice creative problem solving as they strive to answer this question and determine whether a group is even or odd.

This lesson introduces students to measuring and estimating liquid volume, using liters (l) as the standard unit of measurement.

Many students cringe when they see a subtraction problem with multiple zeros. The “Subtract One” strategy in this lesson involves reducing the top number by one to turn the 0 digits into 9’s and then adding the one back in at the end.

Let students stretch their problem solving skills in this lesson that teaches them how to solve problems where one-digit numbers are multiplied by multiples of 10.