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Powers of ten: 5th grade math

Place value with decimals; powers of 10. A free 5th grade lesson plan, a question set with answers and a printable sheet with its key. Copy it and make it yours.

Lesson plan

Goal

  • Students can do this: place value with decimals; powers of 10.

Teach (10 min)

  • The exponent counts the tens: 10 × 10 × 10 = 10³.
  • Multiplying by 10² moves the point 2 places right.
  • Work one example on the board while students say each step aloud, then do one together.

Practise (15 min)

  • Students work the printable sheet in pairs, then alone.
  • Or practise it as a game with no sign-up: https://peabody.kids/math/numsense.g5_pow10?lesson=5-numsense-pow10-1&at=5

Exit ticket (5 min)

  • Three questions on a slip:
  • 1. 10? = 100. What is the exponent?
  • 2. 10 × 10 = 10?. What is the exponent?
  • 3. 10 × 10 = 10?. What is the exponent?

Question set

10 questions that read in words, easiest first. Questions that need a picture are on the printable sheet below.

  1. 10? = 100. What is the exponent?
  2. 10 × 10 = 10?. What is the exponent?
  3. 10 × 10 = 10?. What is the exponent?
  4. 10? = 10,000. What is the exponent?
  5. 10 × 10 × 10 = 10?. What is the exponent?
  6. 10 × 10 × 10 = 10?. What is the exponent?
  7. 10 × 10 = 10?. What is the exponent?
  8. 10 × 103 = ?
  9. 10? = 1,000. What is the exponent?
  10. 2.00 ÷ 102 = ?
Answers
  1. 2
  2. 2
  3. 2
  4. 4
  5. 3
  6. 3
  7. 2
  8. 10000
  9. 3
  10. 0.02

Printable sheet

Name: ____________________   Date: ____________

Powers of ten (5th grade)

  1. 10 × 10 = 10?. What is the exponent?
  2. 102 = ?
  3. 10 × 10 × 10 × 10 = 10?. What is the exponent?
  4. 10 × 10 × 10 = 10?. What is the exponent?
  5. 10? = 1,000. What is the exponent?
  6. 10? = 100. What is the exponent?
  7. 104 = ?
  8. 1.80 × 104 = ?
  9. 2.27 × 104 = ?
  10. 0.91 × 105 = ?
  11. 58.0 ÷ 103 = ?
  12. 103 = ?
Key
  1. 2
  2. 100
  3. 4
  4. 3
  5. 3
  6. 2
  7. 10000
  8. 18000
  9. 22700
  10. 91000
  11. 0.058
  12. 1000

Written by Peabody from its own skill pages. Free, no ads, no sign-in. Children can practise this on Peabody. More from teachers: teacher-shared resources.