Approximating Square Roots

Multiple Select

BELL-RINGER QUESTION

Josh is saving money to buy a computer.  He put the initial amount he has saved into a jar.  Each month he puts an additional amount of money into the jar.  From the information provided, which statement is true?

SELECT ALL CHOICES THAT APPLY

• The initial amount Josh put in the jar was $225.

• The initial amount Josh put in the jar was $75.

• The amount of money Josh adds to the jar each month is $65.

• The amount of money Josh adds to the jar each month is $30.

Math Response

INDEPENDENT PRACTICE

1. Using your calculator, what is the square root of the given perfect square?

$$\sqrt[]{196}$$

Type answer here

Correct Answer: 14

Deg^°

Rad

Math Response

INDEPENDENT PRACTICE

2. Using your calculator, what is the square of the given integer?

$$25$$

Type answer here

Correct Answer: 625

Deg^°

Rad

Math Response

PARTNER PRACTICE

3. Using your calculator, estimate the square root of the given radical? Approximate answer to the nearest tenths place.

$$\sqrt[]{40}$$

Type answer here

Correct Answer: 6.3

Deg^°

Rad

Math Response

PARTNER PRACTICE

4. Using your calculator, estimate the square root of the given radical? Approximate answer to the nearest tenths place.

$$\sqrt[]{112}$$

Type answer here

Correct Answer: 10.6

Deg^°

Rad

Math Response

PARTNER PRACTICE

5. Using your calculator, estimate the square root of the given radical? Approximate answer to the nearest tenths place.

$$\sqrt[]{20}$$

Type answer here

Correct Answer: 4.5

Deg^°

Rad

Math Response

INDEPENDENT PRACTICE

6. Using your calculator, estimate the square root of the given radical? Approximate answer to the nearest hundredths place.

$$\sqrt[]{60}$$

Type answer here

Correct Answer: 7.75

Deg^°

Rad

Math Response

INDEPENDENT PRACTICE

7. Using your calculator, estimate the square root of the given radical? Approximate answer to the nearest hundredths place.

$$\sqrt[]{77}$$

Type answer here

Correct Answer: 8.77

Deg^°

Rad

Math Response

INDEPENDENT PRACTICE

8. Using your calculator, estimate the square root of the given radical? Approximate answer to the nearest hundredths place.

$$\sqrt[]{192}$$

Type answer here

Correct Answer: 13.86

Deg^°

Rad

Multiple Choice

PARTNER PRACTICE

9. Paula completed covered a square wall using 87.5 ft² of wallpaper without any overlap.  Which measurement is closest to the side length of this wall in feet?

• 10 ft

• 9 ft

• 8 ft

• 7 ft

Multiple Choice

PARTNER PRACTICE

10. Samuel helped his uncle and father tile a square-shaped kitchen floor measuring 161 square feet.  If each tile is a square having a length of 1.5 feet, approximately how many tiles will be needed for the kitchen floor?

• 72 tiles

• 108 tiles

• 60 tiles

• 54 tiles

Multiple Choice

Exit Ticket 02/11 - TEK 8.2B

Which point on the number line best represents the location of √92?

• Point M 

• Point N 

• Point P 

• Point Q