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3A · Chapter 1 · Practice B

Practice B

Consolidation for patterns and rounding

Review Lessons 6–9 and the interplay between different rounding places.

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Practice B · 16 questions

Problems

A mixed assessment of the competencies developed so far.

Check your work: Finish the problems first, then ask a parent or tutor to review them with the separate answer-key copy.

  1. P1 Find the next two numbers: 2,150, 2,325, 2,500, 2,675, ___, ___.
  2. P2 Find the next two numbers: 8,700, 8,450, 8,200, 7,950, ___, ___.
  3. P3 Complete the pattern: 3,300, ___, 3,750, 3,975.
  4. P4 Round 3,499 to the nearest thousand.
  5. P5 Round 3,500 to the nearest thousand.
  6. P6 Round 9,550 to the nearest hundred.
  7. P7 Round 9,450 to the nearest hundred.
  8. P8 Round 4,785 to the nearest ten.
  9. P9 Round 9,004 to the nearest ten.
  10. P10 A whole number rounds to 6,200 to the nearest hundred. What is the smallest whole number it could have been?
  11. P11 Round 6,498 to the nearest ten and nearest thousand.
  12. P12 Why is 4,450 to the nearest thousand 4,000, though nearest hundred is 4,500?
  13. P13 Give the greatest whole number that rounds to 3,000 to the nearest thousand.
  14. P14 Find the smallest number that rounds to 9,200 to the nearest hundred.
  15. P15 What is one more than 9,999?
  16. P16 A pattern decreases 125 each time, starting at 1,000. What is its fifth term?
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