Lesson 18 Eureka Composite Rectangular Prisms

A rectangular prism of dimensions 7 cm, 2 cm, and 3 cm,

and another of dimensions 5 cm, 4 cm, and 2 cm.

A rectangular prism of dimensions 3 cm, 3 cm, and 2 cm,

and another of dimensions 8 cm, 2 cm, and 4 cm.

A rectangular prism of dimensions 5 cm, 4 cm, and 2 cm, and another of dimensions 7 cm,4 cm, and 2 cm.

A rectangular prism of dimensions 8 cm, 4 cm, and 2 cm, and another of dimensions 7 cm, 2 cm, and 3 cm.

48 cubic centimeters

54 cubic centimeters

64 cubic centimeters

72 cubic centimeters

12 cubic centimeters

42 cubic centimeters

24 cubic centimeters

30 cubic centimeters

64 cubic centimeters

72 cubic centimeters

82 cubic centimeters

90 cubic centimeters

45 cubic feet

49 cubic feet

4 cubic feet

50 cubic feet

Blake

Julie

Both are correct

Neither is correct

(2)(6)(5) + (2)(4)(5) + (2)(2)(5)

2(5)(6 + 4 + 2)

(5)(2)(2)(2)(2)(2)(2)

5((2)(6) + (2)(4) + (2)(2))

(6)(6)(5) – (2)(2)(5) – (2)(2)(5)

15 cubic feet

15.75 cubic feet

15.5 cubic feet

15.25 cubic feet

0.9 euros per dollar

$$\frac{9}{10}$$ euros per dollar

0.9 dollars per euro

$$\frac{9}{10}$$ dollars per euro