Equations Using Models

Which problem is represented in the model?

• 0.32 - 0.17

• 0.49 - 0.32

• 0.32 + 0.17

• 0.49 - 0.17

Which equation matches the model?

• 0.73 - 0.23 = 0.50

• 0.50 + 0.23 = 0.73

• 0.73 + 0.23 = 0.50

• 0.73 - 0.50 = 0.23

What equation matches this model?

• 0.32 + 0.17 = 0.49

• 0.32 - 0.17 = 0.49

• 0.49 - 0.17 = 0.32

• 0.49 + 0.17 = 0.32

What equation matches this model?

• 0.7 - 0.44 = 1.14 

• 1.14 - 0.44 = 0.7

• 1.14 + 0.7 = 0.44

• 0.7 + 0.44 = 1.14

• x = 1
• x = -1
• x = -7
• x = 7

• 1.3

• -1.3

• -0.75

• 0.75

Which equation matches this model?

• 0.2 + 0.3 = 0.5

• 2 + 3 = 5

• 0.02 + 0.03 = 0.05

• blue + red = purple

• 0.34 + 0.29 = 0.63

• 0.30 + 0.33 = 0.63

• 3.4 + 2.9 = 6.3

• Go Chargers

Which answer matches the picture?

• 10/12 = 5/6

• 10/12 is not equal to 5/6

• 11/12 = 6/6

What fraction is equivalent to 1/3?

• 6/2

• 2/6

• 3/6

• 2/3