Unit 1 Worksheet Week 1

1. A square sandbox has an area of 25ft². What is the perimeter of the sandbox?

2. Which number is a perfect square?

3. A square garden has a side length of 15 centimeters. What is the area of the garden?

4. What mistake did Betsy make?

5. Estimate to the nearest tenth

6. Estimate to the nearest tenth

7. To find the square root of 5, Beau estimated that since 2²=4 and 3²=9, the square root must be between 2 and 3. Beau guesses that the square root of 5 is 2.5.

Is his etimate high or low and how do you know?

8. Determine whether the decimal is rational or irrational and explain why. .875

9. Determine whether the decimal is rational or irrational and explain why. .1213141516….

10. Rachel says that -5.5 is an integer because it is negative. Is she correct? Why or why not?

11.

is rational, true or false?

Explain why you chose your answer:

12.#1 Classify the numbers by checking all boxes that apply.

12.#2 Classify the numbers by checking all boxes that apply.

12.#3 Classify the numbers by checking all boxes that apply.

12.#4 Classify the numbers by checking all boxes that apply.

12.#5 Classify the numbers by checking all boxes that apply.

13. Order the numbers from greatest to least

14. What number is shown on the graph

15. Jill says that

is less than

Is she correct? Why or why not?

16. Compare and write <, >, or =.