Free Printable Homework Rounding & Estimating

1.

In 2000, the population of Dallas was 1,188,580. Round that number to the nearest hundred thousand.

(a)

2.

Round 3.14159 to four decimal places.

(a)

3.

The price of regular unleaded gasoline was

\text{}2.19\frac{9}{10}

dollars. Round that price to the nearest cent.

(a)

4.

Estimate the sum of 3879 and 5276.

(a)

5.

Gus works 39 hours for $9.85 per hour. He calculates that his weekly paycheck should be $38,415. What is a reasonable estimate of what Gus earns? How do you suppose Gus arrived at his calculation (Hint: I want what Gus estimated his weekly salary to be!!!).

4 lines

6.

In the orchard there were 10 rows with 12 trees in each row. How many trees were in the orchard?

(a)

7.

Simplify.

11^2

a)

111

b)

200

c)

22

d)

121

8.

Simplify.

\sqrt{121}

a)

11

b)

57

c)

12

d)

65

9.

Express with exponents:

5xxy

a)

10xy

b)

5 + 2x + y

c)

$5x^2y$

d)

$5\ \left(x^2y\right)$

10.

Solve by inspection:

x\ +\ 7\ =\ 15

(a)

11.

$\frac{x}{12}=3$

(a)

12.

Evaluate

P=2\left(l+w\right)when\ l=7\ in.\ and\ w=5\ in.

(a)

13.

Write the prime factorization of 90. Use exponents for repeated factors.

a)

$2\times3^2\times5$

b)

$10\times3^2$

c)

$30^2$

14.

For two weeks, Destiny recorded the number of red lights at which she had to stop between home and school. these numbers are listed below.

3, 4, 3, 2, 5, 3, 4, 6, 3, 2. Find the mean.

a)

3.5

b)

3

c)

4

15.

For two weeks, Destiny recorded the number of red lights at which she had to stop between home and school. these numbers are listed below.

3, 4, 3, 2, 5, 3, 4, 6, 3, 2. F

Which measure would you use to report the number of stops that Destiny most frequently made?

a)

Mode, 3

b)

Mean, 3

c)

Range, 3

d)

Median, 3

Homework Rounding & Estimating

Total questions: 15

Worksheet time: 14mins

Similar Resources on Wayground