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Math Skill Builders Skill Level Definitions

Decimals

Decimal Addition

  1. Add tenths to a whole number. The answer will be less than 10.
  2. Add a whole number to tenths. The answer will be less than 10.
  3. Add tenths to tenths. The answer will be less than 10.
  4. Add hundredths to hundredths. The answer will be less than 100.
  5. Add thousandths to thousandths. The answer will be less than 1000.
  6. Add three numbers containing tenths.
  7. Add three numbers containing up to hundredths.
  8. Add three numbers containing up to thousandths.
  9. Add four numbers containing up to thousandths.
  10. Add four numbers containing up to ten-thousandths.

Decimal Subtraction

  1. Subtract a whole number from tenths. The answer will be less than 10.
  2. Subtract tenths from tenths without renaming. The answer will be less than 10.
  3. Subtract hundredths from hundredths without renaming. The answer will be less than 100.
  4. Subtract tenths from a whole number. The answer will be less than 10
  5. Subtract tenths from tenths with renaming. The answer will be less than 100.
  6. Subtract hundredths from a whole number. The answer will be less than 100.
  7. Subtract hundredths, renaming as necessary. The answer will be less than 100.
  8. Subtract thousandths from a whole number. The answer will be less than 100.
  9. Subtract thousandths, renaming as necessary. The answer will be less than 100.
  10. Subtract ten-thousandths, renaming as necessary. The answer will be less than 100.

Decimal Multiplication

  1. Multiply tenths by ones. The answer will be less than ten.
  2. Multiply tenths by ones. The answer will be greater than ten.
  3. Multiply hundredths by ones. The answer will be less than one hundred.
  4. Multiply ones by tenths. The answer will be less than ten.
  5. Multiply ones by tenths. The answer will be greater than ten.
  6. Multiply tenths by tenths. The answer will be less than one hundred.
  7. Multiply hundredths by tenths. The answer will be less than one hundred.
  8. Multiply thousandths by tenths. The answer will be less than one hundred.
  9. Multiply hundredths by hundredths. The answer will be less than one hundred.
  10. Multiply thousandths by hundredths. The answer will be less than one hundred.

Decimal Division

  1. Divide a whole number by a larger whole number. No rounding will be necessary.
  2. Divide tenths by a whole number. No rounding will be necessary.
  3. Divide tenths by a whole number. Round to the nearest tenth.
  4. Divide hundredths by a whole number. Round to the nearest hundredth.
  5. Divide a whole number by tenths. Round to the nearest tenth.
  6. Divide tenths by tenths. Round to the nearest tenth.
  7. Divide a whole number by hundredths. Round to the nearest hundredth.
  8. Divide hundredths by tenths. Round to the nearest hundredth.
  9. Divide thousandths by tenths. Round to the nearest thousandth.
  10. Divide thousandths by hundredths. Round to the nearest ten-thousandth.

Supplementary Skills

  • Rounding decimals
  • Comparing decimals
  • Solving decimal equations with unknown variables
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