How Many On My Plate? (Subtraction)

Unit 12: The Ten Concept: Counting On and Off the Decade and Knowing 10 More/ 10 Less
Lesson 7 of 9

Objective: SWBAT subtract ten to any given number. SWBAT add or subtract a multiple of 10 to any given number and represent the action with an equation.

Big Idea: Students will use their ability to count by tens on and off the decade by taking part in an activity that requires them to start with a number of cubes and then repeatedly subtract ten.

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Math, Number Sense and Operations, 1st Grade, adding or subtracting 10, counting on and off the decade by 10.
  65 minutes
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