DBA2 Review

Choose the equation represented by the model.

• 0.1 x 0.2 = 0.02

• 0.01 x 0.02 = 0.2

• 0.1 x 0.2 = 0.2

• 0.9 x 0.8= 0.72

Choose the equation represented by the model.

• 0.7 x 0.4 = 0.28

• 0.07 x 0.04 = 0.28

• 0.7 x 0.4 = 2.8

• 0.7 x 0.3= 0.21

Which equation matches the model?

• 2 x 0.3 = 0.6
• 3 x 0.2 = 0.6
• 2 x 3 = 0.6
• 3 x 2 = 6

What is the equation for the decimal multiplication model?

• 25 x 8 =200
• 0.25 x 8 = 0.20
• 0.8 x 25 = 2.0
• 8 x 0.25 = 2.00

Which axis runs vertically?

• x

• Y

Which axis runs horizontally?

• x
• y