North Carolina 7th Grade Math EOG Check-In 3

Standard: 7.EE.3
1 pt

1.

Larry was comparing his savings account from last year to this year. His balance on December 31 of this year was 34% more than on December 31 of last year. If *b** is his balance on Dec 31 last year, which expression is his balance this year?

A

*b** + 0.34

B

*b** - 0.34

C

1.34*b*

D

0.34*b* - 1

Standard: 7.G.4
1 pt

6.

Suppose the approximate area of a circle is 153.86 square inches. What is the approximate circumference of the circle? Use 3.14 for $\mathrm{\pi}$.

A

3.14 cm

B

21.98 in

C

43.96 in

D

49 in

Standard: 7.G.6
1 pt

10.

Find the difference in the volumes between the two boxes of cereal below.

A

744 cubic inches

B

264 cubic inches

C

504 cubic inches

D

708 cubic inches

Standard: 7.EE.4
1 pt

14.

Greg bought packages of red pens and packages of black pens. The packages of black pens had 5 pens in each package. The packages of red pens had 3 pens per package. Greg bought *b* packages of black pens and 6 packages of red pens for a total of 43 pens. Which equation could Greg solve to determine the number of packages of black pens, *b*, he bought?

A

43 – 6(3) = *b*

B

5*b* + 6(3) = 43

C

43 – 5*b* = 6

D

3(3) + 6*b* = 38

Standard: 7.G.4
1 pt

17.

A circular mirror has a diameter of 14 inches. What is the area, in square inches, of the mirror?

A

$7\mathrm{\pi}$

B

$14\mathrm{\pi}$

C

$49\mathrm{\pi}$

D

$98\mathrm{\pi}$