Math 6 Core

Assessment Bank

Standard 6.NS.3

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I can fluently add and subtract multi-digit decimals using the standard algorithm. (6.NS.3)

4.672 + 15.31

0.87 + 6.12

The school is 3.2 blocks from Hector’s house. How many blocks does Hector walk to go to and from school?

20.1 – 16.37

9 – 5.2

Kelly’s baby brother weighs 7.71 pounds. Her newborn kitten weighs 0.24 pound. How much more does Kelly’s baby brother weigh than her kitten?

I can fluently multiply and divide multi-digit decimals using the standard algorithm. (6.NS.3)

6 × 3.04

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3.5 × 24.09

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Jaimie purchases 15 pencils at the

school bookstore. They cost $0.30

each. How much did she spend on

pencils?

34.65 ÷ 5

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34.65 ÷ 5

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After its first day of life, a baby blue whale started growing. It grew 47.075 inches. If the average baby blue whale grows at a rate of 1.5 inches a day, for how many days did the baby whale grow, to the nearest tenth of a day?

I can explain the reasons for the steps to compute with standard algorithms. (6.NS.3)

Luis is finding 8.9 - 3.72. He solves it:

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Is Luis correct? Explain why or why not.

Use the product to find the product of 123 x 0.47. Explain the difference in the two products.

Identify the problem that does not have the same quotient as the other three. Explain your reasoning.

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Help! Marco always gets stumped on these sorts of decimal problems. The problem is 12.0001 – 0.98. Explain to Marco what he did wrong, and how to do this problem correctly. Be clear and complete!

How did Julia do on the problem at right? Be clear and complete!

Petunia doesn’t think the problem at right can be done. “It goes on forever! How are we supposed to add that?” she asks. Lilly thinks otherwise. “It might go on forever,” she begins, “but we can still add the digits. The answer is 0.555555…” she concludes.

a. Who is correct?

b. Do the problem at right.

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