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Count forwards and backwards within 3-digits

Lesson 3 / 15

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I can count forwards and backwards using 3-digit numbers.

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Place value helps us count on and back in 10s and 100s. Place value helps us to know which digits change as we cross the 100s or 10s boundaries. The 1s and 10s digits don’t change when you add a 100 to or subtract 100 from a 3-digit number.

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