Estimation and rounding

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• 01 Advanced

  Five-digit warm-up

  8 problems · 2 min
• 02 Advanced

  Five digits, on the line

  8 problems · 2 min
• 03 Advanced

  Six digits

  8 problems · 3 min
• 04 Advanced

  Nearest hundred thousand

  8 problems · 3 min
• 05 Advanced

  Six digits, any place

  8 problems · 3 min
• 06 Advanced

  Six digits, on the line

  8 problems · 3 min
• 07 Advanced

  Millions

  8 problems · 3 min
• 08 Advanced

  Nearest million

  8 problems · 3 min
• 09 Advanced

  Millions, any place

  8 problems · 3 min
• 10 Advanced

  Everything review

  8 problems · 3 min