1 pt
Standard: 3.NBT.3
DOK: 1

30.

Find the product.

$8\times 10=$

A

18

B

81

C

80

D

8

1 pt
Standard: 3.NBT.2
DOK: 2

37.

One beaver family has taken down 127 small trees to build a home in a lake. Another beaver family has taken down 109 trees to build a home in another lake. What is the difference in the number of trees the two beaver families took down?

A

17

B

18

C

16

D

236

1 pt
Standard: 3.MD.7
DOK: 3

45.

A compound figure divided into square units is shown below. What is the area of the figure?

A

60 square units

B

64 square units

C

66 square units

D

68 square units

1 pt
Standard: 3.NF.1
DOK: 1

49.

The octagon below is divided into equal areas. What fraction of the whole is each area?

A

$\frac{4}{8}$

B

$\frac{7}{8}$

C

$\frac{1}{8}$

D

$\frac{3}{8}$

1 pt
Standard: 3.NF.4
DOK: 2

54.

Which two fractions are the same size?

A

$\frac{1}{2}$ and $\frac{3}{8}$

B

$\frac{2}{3}$ and $\frac{4}{6}$

C

$\frac{3}{4}$ and $\frac{9}{8}$

D

$\frac{1}{4}$ and $\frac{3}{8}$