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Level 38 of 40 in Learning Lab's math ladder, in the “Decimals” stage. Many children reach it around ages 10–11, but levels aren't tied to age.

This sheet has 15 questions at this level plus 3 review questions from the levels just before it. Mastered after three sheets in a row at 90% or more. It can be printed or done on screen in kid mode.

Learning Lab

Math · Level 38

Add/subtract decimals

M38-495K

Owen · Week of Nov 2

Name: Score: / 15 · Review / 3
  1. 1.5.4 − 3.31 = __
  2. 2.10.18 − 5.38 = __
  3. 3.17.95 − 16.9 = __
  4. 4.18.4 − 0.33 = __
  5. 5.11.7 − 10.5 = __
  6. 6.9.27 + 1.3 = __
  7. 7.10.9 − 7.41 = __
  8. 8.14.86 − 13.5 = __
  9. 9.11.1 + 10.75 = __
  10. 10.11.8 + 11.6 = __
  11. 11.15.8 + 14.6 = __
  12. 12.1.7 + 2.24 = __
  13. 13.18.99 − 6.5 = __
  14. 14.2.22 + 7.7 = __
  15. 15.4.8 + 1.5 = __

Review — from earlier levels

  1. 16.Write 53/100 as a decimal.
  2. 17.1/10 + 2/5 = __
  3. 18.3/4 − 1/2 = __
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Learning Lab · Answer key

Math · Level 38

Add/subtract decimals

M38-495K

Owen · Week of Nov 2

For grown-ups — keep this page separate from the sheet.

  1. 2.09
  2. 4.8
  3. 1.05
  4. 18.07
  5. 1.2
  6. 10.57
  7. 3.49
  8. 1.36
  9. 21.85
  10. 23.4
  11. 30.4
  12. 3.94
  13. 12.49
  14. 9.92
  15. 6.3
  16. 0.53 review
  17. 1/2 review
  18. 1/4 review