🔢 MathLevel 1Lesson 32
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Review of Data and Money

Lesson preview: the Mini Lesson and Vocabulary are open to everyone. Guided practice, exercises, the parent checklist and the printable PDF worksheet come with full access (free 7-day trial or membership).

Learning Objectives

  • 1Recall sorting, tally charts, and bar graphs from the Data unit
  • 2Recall coin values, counting coins, making change, and money words
  • 3Apply these ideas to review questions and activities
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Mini Lesson

This lesson reviews everything in Unit 4: Data and Money. Use this page to check what you remember and spot anything you need to practice more.

Data (Lessons 25–26)

  • Sorting — group objects by one property (color, shape, or size).
  • Tally chart — record counts using tally marks (four verticals + one diagonal = 5).
  • Bar graph — display counts as bars; longer bar = more objects.

Money (Lessons 27–31)

  • Penny = 1¢ · Nickel = 5¢ · Dime = 10¢ · Quarter = 25¢
  • Count coins starting with the highest value.
  • Change = 10 − price (when you pay with a dime).
  • Check: price + change = 10¢
  • Money words: earn · spend · save · change
Unit 4 topic map showing Data and Money branchesA central box labeled Unit 4. Two branches: Data branch with sorting, tally, bar graph; Money branch with coins, count on, change, money words.Unit 4 Topic MapUnit 4DataSortingTallyBar graphMoneyCoinsCountChangeMoney words: earn · spend · save · changePenny 1¢ · Nickel 5¢ · Dime 10¢ · Quarter 25¢Change = 10 − price · Check: price + change = 10
Unit 4 topic map — Data branch (sorting, tally, bar graph) and Money branch (coins, count on, change).
Quick reference card for Unit 4 coins, change formula, and money wordsThree sections: coin values, change formula with example, money words earn spend save change.Quick-Reference CardCoins:Penny 1¢ · Nickel 5¢ · Dime 10¢ · Quarter 25¢Change (paying with 10¢):Change = 10 − priceExample: price 6¢ → 10 − 6 = 4¢ change · Check: 6 + 4 = 10 ✓Money words:Earn · Spend · Save · ChangeReview all Unit 4 skills here!
A quick-reference card with coin values, the change formula, and the four money words.
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Can you do each of these without notes? If not, go back to that lesson and practice once more!

Vocabulary
Tally chart
A chart that records counts one mark at a time; every 5th mark crosses the previous foure.g. |||| with a diagonal = 5
Bar graph
A picture that shows counts as bars of different lengthse.g. Cats 7, Dogs 5, Fish 3
Coins
Penny, nickel, dime, quartere.g. 1¢, 5¢, 10¢, 25¢
Change
Money returned when you pay more than the pricee.g. Paid 10¢, price 6¢ → 4¢ change
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← Lesson 31: Real-Life Money ExamplesLesson 33: Solving Simple Math Puzzles →