Open Up - Grade 6 - Mathematics - Unit 5 - Lesson 3

Here is a base-ten diagram that represents 1.13. Use the diagram to find 1.13 - 0.46 = ?

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6.NS.3

Compute the following sum: 0.027 + 0.004 = ?

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Compute the following sum: 0.203 + 0.1 = ?

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Compute the following sum: 1.2 + 0.145 = ?

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A student said we cannot subtract 1.97 from 20 because 1.97 has two decimal digits and 20 has none. Do you agree with his statement?

• Agree
• Disagree

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Decide which calculation shows the correct way to find 0.3 - 0.006 = ?

• A
• B
• C
• D

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The school store sells pencils for $0.30 each, hats for $14.50 each, and binders for $3.20 each. Elena would like to buy 3 pencils, a hat, and 2 binders. She estimated that the cost will be less than $20.Do you agree with her estimate?

• Agree
• Disagree

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6.NS.3

The school store sells pencils for $0.30 each, hats for $14.50 each, and binders for $3.20 each. Elena would like to buy 3 pencils, a hat, and 2 binders. She estimated that the cost will be less than $20.Estimate the number of pencils could she buy with $5, enter your answer as a whole number.

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A rectangular prism measures 7 and 1/2 cm by 12 cm by 15 and 1/2 cm.Calculate the number of cubes with edge length 1/2 cm that fit in this prism.

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At a constant speed, a car travels 75 miles in 60 minutes. How far does the car travel in 18 minutes? If you get stuck, consider using the table.

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