Ray's New Primary Arithmetic · Lesson LXXXIV · Unit 8: Money, weights and measures

84. Liquid measure: pints, quarts and gallons

Goal: Your child knows how pints, quarts and gallons relate.

⏱ About 15 minutes · 3 steps

Open it at the Internet Archive ↗

You'll need

  • A pint glass, a quart jar and a gallon jug, or any measuring cups
  • Water
  • A slate, small whiteboard or paper and pencil

What's in the book

The table: 4 gills make 1 pint; 2 pints make 1 quart; 4 quarts make 1 gallon. Then problems about oil, milk, molasses and syrup.

The lesson, step by step

  1. Pour it

    Fill a quart with two pints of water, then a gallon with four quarts. This is the best part of the lesson.

  2. The table

    Read it. Gills are no longer used; the rest are on every milk jug.

  3. Book problems

    Work through the page.

Afterwards

Let your child do the measuring next time you cook.

Answers to the book's problems

1. 16, 24, 32 gills. 3. 12, 16, 20 pints. 5. 20, 28, 36 quarts. 6. 4, 6, 8 gallons. 7. 40 cents. 8. 3 cents. 9. 10 cents. 10. 64 cents. 11. 6 gallons. 12. 8 dollars. 13. 10 cents a gallon. 14. 15 quarts. 15. 40 pints.

Worked out for this site from the scan. If a number in your copy differs, trust the book.

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