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Unit 1a - Real Numbers Quiz

Last updated over 1 year ago

9 questions

Note from the author:

To get full credit you must make your thinking evident by showing all work when the Show Your Work box is available.

Instructions

To get full credit you must make your thinking evident by showing all work when the Show Your Work box is available.

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Level 2

Question 1

1.

Write 0.\overline{23} as a fraction

Question 2

2.

Find the \sqrt{196}

Question 3

3.

Simplify 7^2

Question 4

4.

Is a repeating decimal a rational number? Explain.

No, because it cannot be written in the form \frac{a}{b}, where a and b are integers and b \neq 0

No, becuase it cannot be written in the form a \cdot b, where a and b are integers.

Yes, because it can be written in the form \frac{a}{b}, where a and b are integers and b\neq0

Yes, because it can be written in the form a\cdot b, where a and b are integers.

Level 3

Question 5

5.

Write 1.\overline{12} as a fraction.

Question 6

6.

Approximate \sqrt{8} to the nearest tenth. Show your work.

Question 7

7.

Is 5.787787778... a rational or irrational number? Explain.

Question 8

8.

Mrs. Drew wants to build a square sandbox with an area of 121 square feet. What is the length of wood Mrs. Drew needs to make the sides of the sandbox?

Level 4

Question 9

9.

Diego says that if you cube the number 4 and then take the cube root of the result, you end up with 8. Is Diego correct? Explain.