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

Last updated 9 months ago

12 questions

1

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

1

Compute the following sum: 0.027 + 0.004 = ?

1

Compute the following sum: 0.203 + 0.1 = ?

1

Compute the following sum: 1.2 + 0.145 = ?

1

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?

1

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

1

Complete the calculations so that each shows the correct difference.

1

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?

1

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.

1

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.

1

A rectangular prism measures 7 and 1/2 cm by 12 cm by 15 and 1/2 cm.

What is the volume of the prism in cm^3? If you are stuck, think about how many cubes with 1/2 cm edge lengths fit into 1cm^3.

1

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.

Source: Open Up Resouces (Download for free at openupresources.org.)