6.3.2 Day 1 Review

Why is the use of scale important when planning and designing projects? (two correct answers)

• You can weigh your materials.

• Helps to visualize & make necessary changes to the project

• You don't have to waste materials.

• You can fold the paper easier.

How are scale drawings and object size related?

• Scale drawings are smaller than the object.

• Objects are smaller than scale drawings.

• They are the same thing.

 $\frac{5}{x}=\frac{20}{4}$  Solve for x.

• 5

• 8

• 1

• 16

 $\frac{100}{40}=\frac{x}{4}$  Solve for x.

• 50

• 10

• 40

• 35

40mm= ? cm

• 4

• 40

• 10

• 5

Convert to a decimal.

 $1\frac{1}{4}$  in = ? in 

• 0.25

• 1

• 1.14

• 1.25

Convert to a decimal.
 $3\ \frac{5}{8}$  in. = ? in.

• 3.58

• 3.625

• 3.5

• 3.256

This show box is 4" long and 6" wide. Using a scale of 2"=5', determine what the dimensions of the real box.

• 8' x 30'

• 4' x 6'

• 10' x 15'

 $\frac{25}{10}$  Simplify.

•  $\frac{5}{3}$  

•  $\frac{25}{10}$  

•  $\frac{10}{5}$  

•  $\frac{5}{2}$  

How long is the paper clip?

• 2.6 cm

• 2.35 cm

• 3.0 cm

• 2.1 cm