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Decimal Auction Activity

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Decimal Auction Activity

Decimal Auction Activity

Auction hammer and decimal numbers

🏠 Part 1: Decimal Place Value Houses

1. Look at the decimal place value house below. Write what each decimal means in words:

0.3 = _________________ tenths

0.75 = _________________ hundredths

0.6 = _________________ tenths

0.25 = _________________ hundredths

2. Circle the correct way to say these decimals:

0.4:

Zero point four

Four tenths

Zero point forty

0.85:

Zero point eight five

Eighty-five hundredths

Zero point eighty-five

📏 Part 2: Decimals on Number Lines

3. Mark where these decimals would go on the number line from 0 to 1:

Place these decimals on the line above: 0.2, 0.5, 0.75, 0.9

4. Order these decimals from smallest to largest:

0.8, 0.25, 0.6, 0.15, 0.9

💰 Part 3: Auction Money Practice

5. You have $2.50 in auction money. Circle all the items you could afford to buy:

Toy car - $0.75

Stickers - $1.25

Book - $2.80

Pencil set - $1.50

Eraser - $0.35

6. Compare these auction bids. Circle the higher bid in each pair:

$0.6 or $0.75

$1.2 or $1.15

$0.45 or $0.5

7. If you bid $1.35 for a game and won, how much change would you get from $2.00?

🎯 Part 4: Auction Bidding Strategy

8. You want to buy a puzzle that costs $1.45. The current bid is $0.80. What would be a good next bid?

$0.85

$0.75

$1.50

$0.90

9. Match the decimal amounts with their fraction equivalents:
0.5
0.25
0.75
0.1
1/10
3/4
1/2
1/4
10. Explain your auction strategy. How would you decide how much to bid for an item?

🏆 Part 5: Auction Reflection

11. Draw your favourite item from today's auction and write its decimal price:

Price: $__________

12. What did you learn about decimals today? Write two things:
13. Where else might you use decimals in real life?

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