Chapter 2: 7th Grade

2.1

100

Round the number to the Nearest Hundredth.

34.0152

34.02

200

Tell what place value the Italic digit is in.

27. 4 04

Tenths

300

Copy and complete the statement using <,>, or =.

30.650_30.65

=

400

Copy and complete the statement using <,>, or =.

0.607_0.66

<

500

Round the Decimals as specified.

a. 32.09 (Nearest tenth)

b. 9.104 (Nearest hundredth)

c. 12.5503 (Nearest thousandth)

a. 32.1

b. 9.10 or 9.1

c. 12.550 or 12.55

2.2

100

Find the sum.

8.41+2.6

11.01

200

Find the Difference.

4.59-3.17

1.42

300

Evaluate the expression when a=4.2 and b=6.27

10.03-a+b

12.1

400

Evaluate teh expression when m=123.1, z=12.28

98.2+(m-z)

209.02

500

Solve the equation.

6-2.4+x=8.8

x=5.2

2.3

100

Round to the leading digit.

18.06

18

200

Find the Product.

0.06x0.6

0.036 or .036

300

Find the Product.

25x0.052

1.3

400

Estimate the product by rounding each factor to the place value of the leading digit.

18.23x4.7

100

500

Evalute the expression.

35.064x12.3x2.01

866.640042

2.4

100

Find the quotient.

9/7.2

1.25

200

Find the quotient.

2199.24/41

53.64

300

Find the quotient.

367.7/3.677

100

400

Evaluate the expression when x=8.5 z=39.1

31.535/ x+z

42.81

500

Evaluate the expression when x=8.5 z=39.1

7(x+z)/9.8

34

2.5

100

Tell Whether the number is written in scientific notation, standard form, or neither.

1.764X10²³

scientific notation or SN

200

Write the number in Scientific Notation.

41,200

4.12X10⁴

300

Write the number in Scientific Notation.

154,000

1.54X10⁵

400

Write the number in Scientific Notation.

2000.1

2.0001X10³

500

Write the number in standard form.

5.884X10⁹

5,884,000,000