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What kind of numbers do you see on this receipt?. Why might your mom or dad check their receipt after shopping?. Think about this: Could you ever add or multiply decimals to see how much something would cost?. Can you think of another way to write this?.
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What kind of numbers do you see on this receipt? Why might your mom or dad check their receipt after shopping?
Think about this: Could you ever add or multiply decimals to see how much something would cost? Can you think of another way to write this? Example: You want to buy 3 packages of EggLand Large White Eggs instead of one. 3.59 + 3.59 +3.59 = 3.59 x 3 =
Think about this: Could you ever add or multiply decimals to see how much something would cost? Example: You want to buy 3 packages of EggLand Large White Eggs instead of one. $10.77
Think about this: Sometimes you might even have to multiply decimals with other decimals. Look on the receipt. Find yellow onions. It says: “1.26 lb @ $1.49/lb,” but you paid $1.88. How do you think they got that number?
Think about this: Sometimes you might even have to multiply decimals to decimals. Why was the number not 1.8774? Why was it rounded to 1.88 and not 1.87?
Think about this: What might happen if we did not have decimals?
By the end of this PowerPoint, you will be able to: • Compare decimals • Order decimals • See how important decimals are in our lives
Today we will:1. Do this PowerPoint together. We will learn how to compare and order decimals.
Today we will:1. Do this PowerPoint together. We will learn how to compare and order decimals.2. Do a decimal ordering game in groups.
Today we will:1. Do this PowerPoint together. We will learn how to compare and order decimals.2. Do a decimal ordering game in groups.3. Complete a worksheet independently.
Before we begin…who remembers how to put words in ABC order? • stoic • coerce • lethargic • languid • apple • coast • appease
Before we begin…who remembers how to put words in ABC order? How did we put these in order? • stoic • coerce • lethargic • languid • apple • coast • appease • appease • apple • coast What did we do when we had words like appease and apple? • coerce • languid • lethargic • stoic
It works for decimals, too!!! • Which is more: 1.45 2.54? • Which is more: 0.45 0.54? orange or apple? • Which is more: 0.2 0.19? orange or only? • Which is more: 0.7 0.70? = • Which is more: 0.1 0.01?
Let’s go shopping! Remember to be frugal! We are on a budget!
Which would you choose? $1.2 $1.02
Which would you choose? $39.15 $39.51
Which would you choose? $3.1 $3.19
Which would you choose? $2.31 $2.13 $3.01
How do you feel about comparing decimals? With your elbow partner and your copy of the grocery receipt, answer the questions on the next slide.
1. What did she spend more on, the green bell peppers or the bananas?”2. If you have $2.45 can you buy honey cured ham? If not, how much more would you need?3. The cucumbers are 2 for $1.00. What would be more expensive: the 9 grain bread for $3.99 or 6 cucumbers?”4. What was the cheapest item she bought? The most expensive? What was the range? Pick 3 of the 4 questions to answer. If you finish early, make up a questionwith your partner. Put it on a post-it and stick it to the board. We will start tomorrow’s lesson with your questions!
1. What did she spend more on, the green bell peppers or the bananas?”2. If you have $2.45 can you buy honey cured ham? If not, how much more would you need?3. The cucumbers are 2 for $1.00. What would be more expensive: the 9 grain bread for $3.99 or 6 cucumbers?”4. “What was the cheapest item she bought? The most expensive? What was the range on the receipt?”
1. What did she spend more on, the green bell peppers or the bananas?”2. If you have $2.45 can you buy honey cured ham? If not, how much more would you need? No. You need $0.09 more. 3. The cucumbers are 2 for $1.00. What would be more expensive: the 9 grain bread for $3.99 or 6 cucumbers?”4. “What was the cheapest item she bought? The most expensive? What was the range on the receipt?”
1. What did she spend more on, the green bell peppers or the bananas?”2. If you have $2.45 can you buy honey cured ham? If not, how much more would you need? No. You need $0.09 more. 3. The cucumbers are 2 for $1.00. What would be more expensive: the 9 grain bread for $3.99 or 6 cucumbers?”The 9 grain bread. The cucumbers are only $3.00. 4. “What was the cheapest item she bought? The most expensive? What was the range on the receipt?”
1. What did she spend more on, the green bell peppers or the bananas?”2. If you have $2.45 can you buy honey cured ham? If not, how much more would you need? No. You need $0.09 more. 3. The cucumbers are 2 for $1.00. What would be more expensive: the 9 grain bread for $3.99 or 6 cucumbers?”The 9 grain bread. The cucumbers are only $3.00. 4. “What was the cheapest item she bought? The most expensive? What was the range on the receipt?”The cheapest was the bulk garlic. The most expensive was the TOI Turkey. Range = $6.57
Put these decimals in order from LEAST to GREATEST. • 1.03 • 0.42 • 0.24 • 2.41 • 1.3 • 0.92 • 0.94 • 0.24 • 0.42 • 0.92 • 0.94 • 1.03 • 1.3 • 2.41
Quietly get into these 6 groups:Casey - Caitlin - KalinaJordan – Madison - Nana Thaddeus - Matiwos - EmilyLauren - Jack - Celeste Thomas – Jasmine – John – Celeste Corey - Joshua - John When you finish, raise your hand and I will check your work. Grab one decimal card from your group and go back to your seat. Begin your worksheet.
If you finish early, do the challenge! Get a worksheet from the podium. I have done #1 for you:
How do you feel about ordering decimals? • Tell your elbow partner: • one way you might use decimals in your life besides grocery shoppingAND/OR • one thing you learned about ordering decimals • I will ask your partner to share your idea!