Question 1

8 x 9 can also be _________________ using the double-double-double method.

Accepted Answer

(9 x 2) x 2 ) x 2 )

Answer

(9x2) + (9x2) + (9x2)

Answer

(8 x 9) x 2 x 2 x 2

Answer

(8 x9) + (8x9) + (8x9)

Question 2

Which of the following is a correct expression for finding VOLUME of a rectangular prism?

Accepted Answer

(3 x 4) x 6

Answer

(3 x4 x2) + (4 x 6 x 2) + (3 x 6 x 2)

Answer

3 + 4 + 6

Answer

(3 x 4) + (4 x 6) + (3 x 6)

Question 3

Which of the following is the correct representation of measurement for VOLUME?

Accepted Answer

cubic units (example: cubic cm, cubic feet, cubic inch)

Answer

square units (example: square cm, square feet, square in)

Question 4

True or False:  14 x 3 = 7 x 6

Accepted Answer

True

Answer

False

Question 5

Which of the following represents the statement "To find 35 x 9, I times 35 by 10 and remove one group of 35."

Accepted Answer

(35 x 10) - (1 x 35)

Answer

(35 x 9) + (35 x 1)

Answer

(35 x 9) + 1

Answer

(35 x 10) - 1

Question 6

True or False: 58 x 48 = (58 x 50) - (58 x 2)

Accepted Answer

True

Answer

False

Question 7

_______ x 18 = 24 x 9

Accepted Answer

12

Answer

48

Question 8

22 x 16 = 8 x ______

Accepted Answer

44

Answer

11

Question 9

A rectangular prism (box) has a base with dimension of 5 by 4 and 3 layers.  What is the volume of the rectangular prism?

Accepted Answer

60 because 60 = (5 x 4) x 3

Answer

23 becasue 23 = (5 x 4) + 3

Answer

12 because 12 = (5 + 4) + 3

Question 10

Write an equation for number of cubes (each cube has the dimensions of 1 x 1 x 1)

Accepted Answer

(4 x 5) x 5 = 100

Answer

(4 x 5 x 4) + (5 x 5 x 2) = 130

Question 11

Write an equation for the number of cubes.

Accepted Answer

(8 x 6) x 4 = 192 cubes

Answer

(8 x 6 x 2) + (4 x 8 x 4) = 224 cubes

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