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Place Value & Rounding

Singapore Math: Third Grade Progression

(Tens, Hundreds, Thousands, Ten Thousands)

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Phase 1: Tens

  • Skip-Counting Warm-Up

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Counting On: Tens

  • Count by 10s:

​

  • 340 ➔ _______ , _______ , _______

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Counting On: Tens

  • Count by 10s:

​

  • 8,120 ➔ _______ , _______ , _______

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Counting On: Tens

  • Count by 10s:

​

  • 5,990 ➔ _______ , _______ , _______

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Find the Boundaries

  • Which two TENS does this number sit between?

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  • 435 is between _______ and _______

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Find the Boundaries

  • Which two TENS does this number sit between?

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  • 2,872 is between _______ and _______

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Number Line Rounding

  • Draw a number line. Round to the nearest TEN.

​

  • 435

​

  • <-|-------------|---------------|->​

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Phase 2: Hundreds

  • Skip-Counting Warm-Up

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Counting On: Hundreds

  • Count by 100s:

​

  • 1,200 ➔ _______ , _______ , _______

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Counting On: Hundreds

  • Count by 100s:

​

  • 4,850 ➔ _______ , _______ , _______

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Counting On: Hundreds

  • Count by 100s:

​

  • 7,900 ➔ _______ , _______ , _______

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Find the Boundaries

  • Which two HUNDREDS does this number sit between?

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  • 4,680 is between _______ and _______

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Find the Boundaries

  • Which two HUNDREDS does this number sit between?

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  • 9,215 is between _______ and _______

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Number Line Rounding

  • Draw a number line. Round to the nearest HUNDRED.

​

  • 4,680

​

  • <-|-------------|---------------|->​

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Phase 3: Thousands

  • Skip-Counting Warm-Up

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Counting On: Thousands

  • Count by 1,000s:

​

  • 3,000 ➔ _______ , _______ , _______

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Counting On: Thousands

  • Count by 1,000s:

​

  • 6,500 ➔ _______ , _______ , _______

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Counting On: Thousands

  • Count by 1,000s:

​

  • 2,410 ➔ _______ , _______ , _______

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Find the Boundaries

  • Which two THOUSANDS does this number sit between?

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  • 7,200 is between _______ and _______

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Find the Boundaries

  • Which two THOUSANDS does this number sit between?

​

  • 3,850 is between _______ and _______

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Number Line Rounding

  • Draw a number line. Round to the nearest THOUSAND.

​

  • 7,200

​

  • <-|-------------|---------------|->​

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Phase 4: Ten Thousands

  • Challenge Mode!

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Counting On: Ten Thousands

  • Count by 10,000s:

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  • 20,000 ➔ _______ , _______ , _______

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Counting On: Ten Thousands

  • Count by 10,000s:

​

  • 45,000 ➔ _______ , _______ , _______